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IBM RELEASE 7.3 Management Manual

IBM RELEASE 7.3 Management Manual

High performance storage system release 7.3
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HPSS
Management
Guide
High Performance Storage System
Release 7.3
November 2009 (Revision 1.0)
HPSS Management Guide
Release 7.3 (Revision 1.0)
November 2009
1

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  • Page 1 HPSS Management Guide High Performance Storage System Release 7.3 November 2009 (Revision 1.0) HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 2 High Performance Storage System is a trademark of International Business Machines Corporation. IBM is a registered trademark of International Business Machines Corporation. IBM, DB2, DB2 Universal Database, AIX, RISC/6000, pSeries, and xSeries are trademarks or registered trademarks of International Business Machines Corporation.

  • Page 3: Table Of Contents

    3.3.2.2. SSM User Authorization...36 3.3.2.3. User Keytabs (For Use with hpssadm Only)...37 3.3.2.3.1. Keytabs for Kerberos Authentication: hpss_krb5_keytab...38 3.3.2.3.2. Keytabs for UNIX Authentication: hpss_unix_keytab...38 3.3.3. SSM Configuration File...39 HPSS Management Guide Release 7.3 (Revision 1.0) Table of Contents November 2009...
  • Page 4 4.2.3.4. Assign a Gatekeeper if Required...80 4.2.3.5. Assign Storage Resources to the Storage Subsystem...80 4.2.3.6. Create Storage Subsystem Fileset and Junction...80 4.2.3.7. Migration and Purge Policy Overrides...81 4.2.3.8. Storage Class Threshold Overrides...81 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 5 5.1.1. Deleting a Server Configuration...123 5.1. Monitoring Server Information...125 5.1.1. Basic Server Information...125 5.1.1. Specific Server Information...127 5.1.1.1. Core Server Information Window...127 5.1.1.1. Gatekeeper Information Window...130 5.1.1.1. Location Server Information Window...132 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 6 6.1.4.2. Tape Storage Subsystem-Specific Thresholds...168 6.1.5. Changing a Storage Class Definition...169 6.1.6. Deleting a Storage Class Definition...170 6.2. Storage Hierarchies ...170 6.2.1. Hierarchies Window...170 6.2.2. Storage Hierarchy Configuration Window...172 6.2.3. Changing a Storage Hierarchy Definition...173 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 7 7.4. Changing Device and Drive State...220 7.4.1. Unlocking a Drive...220 7.4.2. Locking a Drive...220 7.4.3. Repairing the State of a Device or Drive...221 7.4.4. Resetting Drive Statistics...221 Chapter 8. Volume and Storage Management...223 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 8 8.6.2. PVL Request Information Window...286 8.6.3. Canceling Queued PVL Requests ...288 8.6.4. Tape Check-In Requests Window...288 8.6.5. Tape Mount Requests Window...289 8.6.6. Administrative Tape Dismounts...291 8.7. New Storage Technology Insertion...291 Chapter 9. Logging and Status...294 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 9 11.1.1. File/Directory Information Window...318 11.2. Objects by SOID Window...322 Chapter 12. Tape Aggregation...323 12.1. Overview of Tape Aggregation...323 12.2. Tape Aggregation Performance Considerations...323 12.3. Configuring Tape Aggregation...323 Chapter 13. User Accounts and Accounting...325 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 10 14.4.5. Linux ‘proc’ Filesystem Statistics...354 14.5. Additional VFS Notes...355 14.5.1. Building an RPM Package...355 Chapter 15. Backup and Recovery...356 15.1. HPSS Metadata Backup and Recovery...356 15.1.1. HPSS Administrator Responsibilities for DB2...356 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 11 16.1.2. Tape Management...368 16.1.3. System Info...368 16.1.4. System Management...369 16.1.5. User Interfaces...370 16.1.6. Testing/Debugging...370 16.1.7. Unsupported Tools...370 Appendix A. Glossary of Terms and Acronyms...373 Appendix B. References...385 Appendix C. Developer Acknowledgments...387 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 12 Table 1. Server Reinitialization Behavior...154 Table 2. Recommended Settings for Tape Devices...201 Table 3. Tape Import Types...229 Table 4. Disk Import Types...234 Table 5. Banner Keywords...344 Table 5. HPSS VFS Interface Mount Options...352 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 13: Who Should Read This Book

    A gigabyte, GB, is 1073741824 bytes (2 bytes (2 bytes), and a petabyte, PB, is 1125899906842624 bytes (2 HPSS Management Guide Release 7.3 (Revision 1.0) Preface bytes). A megabyte, MB, is 1048576 bytes), a terabyte, TB, is 1099511627776 bytes).
  • Page 14 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 15: Chapter 1. Hpss 7.1 Configuration Overview

    The following steps summarize the configuration of an HPSS system when creating the 7.1system from scratch (not upgrading from a previous release). It is important that the steps be performed in the order HPSS Management Guide Release 7.3 (Revision 1.0) HPSS 7.1 Configuration Overview November 2009...

  • Page 16: Initial Hpss Startup Roadmap (All Sites)

    2. Unlock the PVL drives (Section 7.4.2: Locking a Drive on page 220) 3. Create HPSS storage space: A. Import volumes into HPSS (Section 8.1.1: Importing Volumes into HPSS on page 223) HPSS Management Guide Release 7.3 (Revision 1.0) Creating a New Storage Subsystem on page 76) 4.2.2: November 2009...

  • Page 17: Additional Configuration Roadmap (All Sites)

    Verify that a Gatekeeper has been selected if gatekeeping or account validation is required. • Verify that the COS Name list has been filled in correctly. • HPSS Management Guide Release 7.3 (Revision 1.0) # login as root user November 2009...

  • Page 18: Storage Hierarchies

    For classes of services which are not to be used as part of standard file placement, set their Force Selection flag to ON so that they will only be HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 19: Operational Checklists

    Verify that migration and purge operations work as intended. • Start Migration and Purge operations manually to verify that files are migrated and purged • correctly. Verify that files can be accessed after being migrated/purged. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 20: Performance Checklist

    Keep in mind that transfer performance can be limited by factors external to HPSS. For example, HPSS file read performance may be limited by the performance of the UNIX file system writing the file rather than limits inside HPSS. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 21: Chapter 2. Security And System Access

    HPSS system will need to contact an HPSS support representative to obtain a unique value. <authzMech> - the name of the authorization mechanism to be used by this HPSS system. · HPSS Management Guide Release 7.3 (Revision 1.0) Security and System Access November 2009...

  • Page 22: Security Mechanisms

    HPSS local files, these must manually be kept in synchronization across HPSS nodes. 2.1.2.2. Kerberos 5 The capability to use MIT Kerberos authentication is provided in HPSS 7.1, however, IBM Service Agreements for HPSS do not provide support for problem isolation nor fixing defects (Level 2 and Level 3 support) in MIT Kerberos.

  • Page 23: Ldap

    The LDAP software supported by the HPSS LDAP authorization mechanism is IBM Tivoli Directory Server (Kerberos plug-in available for AIX only) and OpenLDAP (Kerberos plug-in available for AIX and Linux). One advantage of using the LDAP mechanism over the UNIX mechanism is that LDAP provides a central repository of information that is used by all HPSS nodes;...
  • Page 24 LDAP as its authorization mechanism. If so, this must be the LDAP URL of the main entry for the security realm in the foreign LDAP server. This should be HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 25: Hpss Server Security Acls

    ${HPSS_PRINCIPAL_FS} ------t any_other Gatekeeper: rw----- user ${HPSS_PRINCIPAL_CORE} rw-c--- user ${HPSS_PRINCIPAL_SSM} r-----t any_other Location Server: r--c--t user ${HPSS_PRINCIPAL_SSM} r-----t any_other Mover: rw-c--t user ${HPSS_PRINCIPAL_SSM} r-----t any_other PVL: rw---dt user ${HPSS_PRINCIPAL_CORE} HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 26: Ssm User Security

    All Location servers in an HPSS installation share a Location Policy. The Location Policy is used by the Location Servers to determine how and how often information should be updated. In general, most of the default values for the policy can be used without change. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 27: Configuring/Updating A Location Policy

    Location Server communications. If you have multiple Location Servers, you should consider increasing the update interval since each Location Server obtains information independently and will increase the overall system load. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 28: Deleting A Location Policy

    Users window or whenever the Core Server receives a REINIT request. Any user in this file is denied the usage of the HPSS system completely. To set up this file, you must do the following: HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 29: Restricted Users Window

    This window lists all the root Core Server users restricted from HPSS access. To open the window, from the HPSS Health and Status window select the Configure menu, and from there select the Restricted Users menu item. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 30: Field Descriptions

    Realm ID. The identifier number which identifies the realm which encompasses the restricted user. Buttons Reload List. Issues a request to each Core Server to re-read the restricted user configuration file. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 31: Chapter 3. Using Ssm

    RPC request queue to wait for a free thread from the thread pool. This makes the client response appear slow, because each RPC request is having to wait its turn in the queue. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 32: Labeling The System Manager Rpc Program Number

    System Manager RPC program number in the output, to see whether the System Manager has successfully initialized its rpc interface and to see which HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 33: Quick Startup Of Hpssgui

    Note that the -d (debug) and -S (log file name) options can be used to capture all levels of · hpssgui logging in a text file. Bear in mind, however, that this can generate significant amounts of log data. (See the hpssgui man page.) HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 34: Configuration And Startup Of Hpssgui And Hpssadm

    Configuration of an SSM user requires that: 1. The System Manager is configured to accept the desired authentication mechanism. 2. The proper user accounts are created: UNIX or Kerberos accounts are created for the user authentication. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 35: Configuring The System Manager Authentication For Ssm Clients

    The following is an example of using the hpssuser utility to provide administrative access to SSM to user 'john'. In this example, the user already has either a UNIX or Kerberos account. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 36: Ssm User Authorization

    Normally, there is no need to invoke the hpss_server_acl utility directly because it is invoked by the hpssuser utility. However, it is a useful tool for examining and modifying the authorization table. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 37: User Keytabs (For Use With Hpssadm Only)

    Kerberos realm; one which gained access to a UNIX keytab file could gain the user's credentials at least on the System Manager host. HPSS Management Guide Release 7.3 (Revision 1.0) # Note: ONLY if creating acl for the first time November 2009...

  • Page 38: Keytabs For Kerberos Authentication: Hpss_Krb5_Keytab

    Do not use the -p option to specify the password; this encrypts the password specified on the command line using a different salt than what was used in the password file, so that the result will not match. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 39: Ssm Configuration File

    HPSS_SSM_ALARMS_GET HPSS_SSM_LIST_RATE HPSS_SSM_ALARMS_DISPLAY HPSS_SSM_CLASSPATH LOG_FILE HPSS_SSM_WAIT_TIME HPSS_SSM_CNTRY_CODE HPSS_SSM_DEBUG HPSS Management Guide Release 7.3 (Revision 1.0) [only if using UNIX authentication] Table 1. SSM General Options Command Line Option November 2009 Functionality Alarm refresh rate Full path to login.conf file Date format pattern...

  • Page 40: Table 2. Hpssgui Specific Options

    HPSS_SSM_HELP_URL_TYPE Table 3. HPSSADM Specific Options File Option HPSSADM_USER_NAME HPSSADM_AUTHENTICATOR HPSSADM_BATCH_MODE HPSS Management Guide Release 7.3 (Revision 1.0) Command Line Option System manager hostname Path to ssm preferences Path to java bin directory Full path to krb5.conf file Language code, internationalization...

  • Page 41: Login.conf

    = EXAMPLE.COM default_keytab_name = /etc/v5srvtab default_tkt_enctypes = des-cbc-crc default_tgs_enctypes = des-cbc-crc [realms] EXAMPLE.COM = { kdc = example.com:88 admin_server = example.com:749 [domain_realm] example.com = EXAMPLE.COM HPSS Management Guide Release 7.3 (Revision 1.0) Command Line Option Authenticator type November 2009 Functionality...

  • Page 42: Hpss Management Guide November

    Section 3.3.5.1: Automatic SSM Client Packaging and Installation, describes how to use the hpssuser utility to package these components. Section 3.3.5.2: Manual SSM Client Packaging and Installation, describes how to select and package the components manually. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 43: Automatic Ssm Client Packaging And Installation

    These are the default locations of these files on the SSM System Manager host, from which they may be copied: startup scripts /opt/hpss/bin hpss.jar ssm.conf krb5.conf keytab file help files HPSS Management Guide Release 7.3 (Revision 1.0) /opt/hpss/bin /var/hpss/ssm /etc/krb5.conf /var/hpss/ssm/keytab.USERNAME /var/hpss/doc November 2009...

  • Page 44: Using Ssm Through A Firewall

    111 in order to ask the portmapper where the System Manager is listening. If Kerberos authentication is used, then hpssgui and hpssadm additionally need access to • port 88 to communicate with the KDC. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 45: Solutions For Operating Through A Firewall

    Create a directory on the client machine to hold the SSM client files. It is recommended that • a separate directory be created for each server hostname that the client will contact. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 46 On the client machine, set up an ssh tunnel where 49999 corresponds to the HPSS_SSM_SERVER_LISTEN_PORT, the user name is joe and the SSM Server machine is "example.com". % ssh -N -f -L 49999:localhost:49999 joe@example.com HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 47: Multiple Ssm Sessions

    The hpssgui script accepts the following flag parameters in order to control the graphical user interface's look and feel: -F "Look and Feel" · Valid values: windows, mac, motif, metal, gtk. Select the Look and Feel that is • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 48 SSM user does not have sufficient authority to perform the operation A “text” field is any field which displays alphanumeric text or numeric data. This does not • HPSS Management Guide Release 7.3 (Revision 1.0) Name Hexadecimal value 0xff0000 green...
  • Page 49 An enterable field containing a cursor is said to have “input focus”. If an enterable text field has • input focus, typing on the keyboard will enter characters into the field. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 50: Common Window Elements

    Clone (partial) button - Replace the contents of the current window with a new configuration • using some of the current configuration’s field values. Clone (full) button - Replace the contents of the current window with a new configuration using • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 51 The Print menu item is available on all SSM windows. Close - The Close menu option is used to close the currently selected window. The Close • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 52: Help Menu Overview

    SSM Help files. The SSM Help files must exist in HTML format for the graphical user interface to display them. The default value for the HPSS_HELP_FILES_PATH environment variable is '/var/hpss/doc'. The values of these environment HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 53: Monitor, Operations And Configure Menus Overview

    Tape Requests. This submenu lists the different tape request list window types. Check-In. Opens the Check-In Requests window which displays all current requests for tape • check-ins. Mount. Opens the Mount Requests window which displays all current requests for tape • mounts. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 54: Operations Menu

    Import Tape Volumes. Opens the Import Tape Volumes window where a list of tape volume • labels can be entered and an import request can be submitted. Create Disk Resources. Opens the Create Disk Resources window where a list of disk • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 55: Configure Menu

    Subsystems list window, accounting statistics can be viewed and reports can be generated. Policies. This submenu lists the policy types that can be configured for HPSS. Accounting. Opens the Accounting Policy window allowing configuration and management • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 56: Ssm Specific Windows

    See Section 3.10: SSM List Preferences on page 69 for more information. 3.9. SSM Specific Windows This section describes the HPSS Login window, the HPSS Health and Status window, and the SSM information windows. 3.9.1. HPSS Login HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 57: Field Descriptions

    If the System Manager and SSM Client versions do not match then the following window will be displayed after the user logs in; The user may choose to continue logging in or to exit. However, as the dialog says, running with HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 58: About Hpss

    System Manager. Differences in the System Manager and SSM Client versions may indicate that the client and/or System Manager code should be updated. 3.9.3. HPSS Health and Status HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 59: Sm Server Connection Status Indicator

    3.9.3.1. SM Server Connection Status Indicator The SM connection status indicator is located in the bottom right corner of the status bar. When the SM HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 60: Hpss Status

    Unknown or Stale - PVR is down or SSM has not received an update from the PVR. • As problems are resolved or returned to normal, the status fields will automatically reflect the changes. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 61: Hpss Statistics

    PVL jobs in the system. The number of bytes moved and number of data transfers indicate the data accumulated by the Movers since startup or data reset. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 62: Menu Tree

    HPSS Login window and reconnect to the System Manager. 3.9.3.6. View Menu The View Menu is only available on the HPSS Health and Status window. The View Menu offers the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 63: Ssm Information Windows

    It is of limited use in everyday production situations. To open the window, from the HPSS Health and Status window Monitor menu select SSM Information, and from its submenu select System Manager Statistics. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 64 Field Descriptions Start Time. The time the System Manager was started. Uptime. The elapsed clock time since the System Manager was started. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 65 (in the request queue) at the same time. This value can be used to help tune the Thread Pool Size and Request Queue Size for the RPC interface. If the Maximum Active/Queued RPCs is greater than the Thread Pool Size you might consider increasing the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 66 User Auth. The client user's authorization level: admin or operator. See Section 3.3: • Configuration and Startup of hpssgui and hpssadm on page 34 for more details. Principal. The user's principal name. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 67: User Session Information Window

    The window is updated in timed intervals as data changes. To open the window, from the HPSS Health and Status window Monitor menu select SSM Information, and from its submenu select User Session Information. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 68 RPC Calls Failed. The number of unsuccessful RPC calls made by this user session. Free Memory. Amount of free memory available in the hpssgui program. Total Memory. Amount of total memory available in the hpssgui program. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 69: Ssm List Preferences

    Preferences are saved on the client node in the directory specified by the “configuration path” hpssgui command line argument ("-i"). This option can also be set using the environment variable HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 70: Button Options

    Button Options Save as ... Save the current preference settings to a new named preference. A popup window will be displayed so that the new name can be entered. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 71 Reload button. Modify the configuration then press the Save button. To create a new Preference configuration, open an existing configuration, make the modifications, press the Save as ... button then enter a unique value for the new preference name and press the OK button. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 72: Chapter 4. Global & Subsystem Configuration

    Gatekeeper and Default COS. See Section 1.3: HPSS Configuration Roadmap (New HPSS Sites) on page 1.3. 4.1. Global Configuration Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 73 The minimum value for this field is 300 seconds (5 minutes). A value of 0 will turn off DB Log monitoring. This field may be overridden on the HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 74: Storage Subsystems

    For a conceptual overview of subsystems, refer to the HPSS Installation Guide, specifically Storage Subsystems in Sections 2.2.7 and 2.3.3. 4.2.1. Subsystems List Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 75: Configuration Buttons

    Create New - Create a new storage subsystem definition by opening a Storage Subsystem window containing default values for a new subsystem. Configure - Open the selected subsystem configuration for editing. This button is disabled unless a HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 76: Related Information

    7. Configure Migration and Purge Policy Overrides (Section 4.2.3.7: Migration and Purge Policy Overrides on page 81) 8. Configure Storage Class Threshold Overrides (Section 4.2.3.8: Storage Class Threshold Overrides on page 81) 4.2.3. Storage Subsystem Configuration Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 77 Global Configuration window. This default Class of Service applies to this storage subsystem only. The default value is “None”. Advice - HPSS Core Servers use a default Class of Service to store newly-created files when the HPSS HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 78 If a value of 0 is specified, the Global Configuration setting will be used for this storage subsystem. The minimum value for this field is 1800 seconds (30 minutes). HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 79: Create Storage Subsystem Metadata

    5. Decide whether gatekeeping or account validation are needed for this storage subsystem. If either is required, a Gatekeeper will need to be configured for this storage subsystem. If the required HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 80: Create Storage Subsystem Servers

    HPSS namespace in order for files to be stored in the new subsystem. This is accomplished by creating a junction from the HPSS namespace to the root fileset of the new subsystem. See Chapter 10: Filesets and Junctions for more information. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 81: Migration And Purge Policy Overrides

    C. Set the schema (e.g., set schema hpss). D. Issue the following SQL command: db2> select count(*) from bitfile The result of the command should indicate 0 rows in this table. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 82 5. Delete all Core Servers, Migration Purge Server and DMAP Gateway Server residing within the storage subsystem being deleted. See Section 5.1.1: Deleting a Server Configuration on page 123. 6. Delete the subsystem configuration. 7. Remove the database associated with the subsystem. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 83: Chapter 5. Hpss Servers

    Indeterminate - The server’s state cannot be determined by SSM and the Startup Daemon • is either not running or not connected to SSM. Check Config - SSM detected an incomplete or inconsistent configuration for the server. • HPSS Management Guide Release 7.3 (Revision 1.0) Chapter 5. HPSS Servers November 2009...
  • Page 84 SSM will periodically poll the servers’ execution and connection status and update the Status fields when there are any changes. The rate of these updates will depend on the client's refresh HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 85 Servers window when there are any changes. The rate of the polling is controlled by the SSM client list refresh rate (see the hpssgui/hpssadm man pages). Server Name. The descriptive name of the server. Host. The name of the host on which the server is running. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 86 This request will cause a SIGKILL signal to be sent to the selected servers if all other shutdown methods have failed. This command is meant to be used as a last resort if a HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 87: Information Buttons

    Servers for a description of the purpose of each server: Core Server • Migration/Purge Server • Gatekeeper (optional) • Location Server • Log Client • Log Daemon • Physical Volume Library • Physical Volume Repository • Mover • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 88 Section 5.1.4: Log Client Specific Configuration on page 100 ● Section 5.1.1: Log Daemon Specific Configuration on page 101 ● Section 5.1.2: Migration/Purge Server (MPS) Specific Configuration on page 101 ● HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 89: Common Server Configuration

    5.1.1.1. Basic Controls The Basic Controls section of the Server Configuration window is common to all servers. In the example window above, the server displayed is a Core Server. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009 list window and Servers...

  • Page 90: Field Descriptions

    Execute Hostname. Use the full UNIX path name; otherwise, the Startup Daemon will try to start the file out of the current working directory of the Startup Daemon. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 91: Hpss Management Guide November

    Auto Startup. A flag that indicates whether SSM should attempt to start the server upon startup of SSM. The Startup Daemon must be started before SSM for this option to work. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 92: Interface Controls

    UNIX - indicates that the interface will support UNIX authentication • 5.1.1.1. Security Controls The Security Controls fields define the settings for authenticated communication between the server and other HPSS servers and clients. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 93 Each server can have its own keytab file, or all the servers can share a single keytab file. It is recommended that one keytab file be used for all of the servers on any given host. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 94: Audit Policy

    MKDIR. Core Server directory creation events. • OPEN. Core Server bitfile open events. • RENAME. Core Server object rename events. • RMDIR. Core Server directory remove events. • UNLINK. Core Server object delete events. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 95: Log Policy

    ON, particularly in the Core Server and Mover. Debug messages are only generated when an error occurs and they can be very helpful in determining the cause of the error. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 96: Core Server Specific Configuration

    A separate Core Server must be configured for each storage subsystem. The Specific tab of the Core Server Configuration window allows you to view and update the type- specific configuration for the Core Server. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 97: Additional Core Server Configuration

    If there is a tape level in the hierarchy, they will go there instead. 5.1.1.1. Additional Core Server Configuration Certain aspects of the operation of the Core Server can be controlled by setting environment variables. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 98: Gatekeeper Specific Configuration

    ON, then at least one Gatekeeper must be configured even if the site does not wish to do gatekeeping. In this case, the Gatekeeper will only be used for validating accounts. Otherwise a Gatekeeper may be used HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 99: Location Server Additional Configuration

    % /opt/hpss/config/hpss_bld_ep -v -f /var/hpss/etc/ep.conf -r <Unix/LDAP Realm Name> -c <schema name> -d <DB2 configuration database> add For example: % /opt/hpss/config/hpss_bld_ep -v -f /var/hpss/etc/ep.conf -r hpss.acme.com -c hpss -d cfg add HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 100: Log Client Specific Configuration

    Syslog. If checked, messages are formatted and sent to the host's syslog daemon. • Stdout. If checked, messages are formatted and sent to the Log Client's standard output. This • should not be checked if Local Logfile is also checked. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 101: Related Information

    As with any other part of the server configuration, updates made here are written directly to metadata with no involvement by the server. The server, if already running, must be recycled in order for the changes to become effective. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 102: Mover Specific Configuration

    Buffer Size. The buffer size used for double buffering during data transfers. The default buffer size is set to 1,048,576 bytes (1 MB). This value should be tuned based on device and networking configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 103: Table 4. Mover Tcp Pathname Options

    Options Supported hpss_mvr_tcp Standard disk/tape devices – tape devices that use the Native SCSI device driver hpss_mvr_ssd Disk and SCSI 3590/3590E/3590H/3580, as well as tape device that uses IBM Atape device driver hpss_mvr_dd2 Disk and Ampex DST-312 – tape devices that use the DD2 device driver Hostname.

  • Page 104: Additional Mover Configuration

    ASCII representation of the configured encryption key for the Mover (see the next section for further details). For example, for the /etc/services entry added above, the corresponding /etc/inetd.conf entry would be: hpss_mvr1 stream tcp nowait root /opt/hpss/bin/hpss_mvr_tcp hpss_mvr_tcp /var/hpss/etc/mvr_ek HPSS Management Guide Release 7.3 (Revision 1.0) 5002/tcp November 2009...

  • Page 105: The Mover Encryption Key Files

    This file contains an ASCII representation of the encryption key. The pathname of the file is passed to the Mover executable as specified in either the /etc/inetd.conf or HPSS Management Guide Release 7.3 (Revision 1.0) Apr 29 0:02 /usr/sbin/inetd...

  • Page 106: Var/Hpss/Etc Files Required For Remote Mover

    IRIX system parameters which affect the remote Mover can be modified with the systune utility. It is likely that a system reboot will be required to make these parameters take effect. The following table defines the parameter names and minimum required values. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 107: Table 1. Irix System Parameters

    Note that the minimum SEMMSL value in the following table should be multiplied by the number of Movers running on the Linux machine. HPSS Management Guide Release 7.3 (Revision 1.0) Table 1. IRIX System Parameters Parameter Description Maximum number of semaphores per set...

  • Page 108: Setting Up Remote Movers With Mkhpss

    If the multinode features of the Parallel FTP Client are used, the UNIX filesystem must be global • HPSS Management Guide Release 7.3 (Revision 1.0) Table 3. Linux System Parameters Parameter Description Maximum number of semaphores per ID...

  • Page 109: Physical Volume Repository (Pvr) Specific Configuration

    If changes are made while the server is running, the server must be recycled in order for the changes to become effective. If you are configuring a PVR for StorageTek, IBM 3494/3584, ADIC AML, LTO, or generic SCSI: before proceeding with PVR configuration you should read the PVR-specific section (Section 5.1.1.1: STK PVR HPSS Management Guide Release 7.3 (Revision 1.0)

  • Page 110: Operator Pvr Specific Configuration Window

    Dismount Delay time limit is exceeded. Support Shelf Tape. If ON, the PVR and the PVL will support the removal of cartridges • from the tape library using the shelf_tape utility. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 111: 3494 Pvr Specific Configuration

    The Distance To Drive helps minimize mount times by mounting the tape in a physically close drive. For IBM robots, the time it takes to move a cartridge to a more distant drive is not significant, so the default value here is fairly low. The unit of distance for a 3494 library is one frame. All other things being equal, the tape will be mounted in the closest drive.

  • Page 112: 3494 Pvr Additional Information

    5.1.1.1.1. 3494 PVR Additional Information Configuration Requirements When configuring an HPSS PVR to manage an IBM robot, the Drive Address configuration entries correspond to the device number of the drive. Determine the device number by running the HPSS tool GetESANumbers for each tape drive in the robot.

  • Page 113: Aml Pvr Specific Configuration

    The PVR can then be configured to recognize the ports as described above. HPSS can share an IBM robot with other tape management systems. If a robot is shared, care must be taken to make sure that a drive is not used by any other tape management system while that drive is configured as unlocked in the HPSS PVL.
  • Page 114 Library Server. DAS software, which executes on the OS/2 controller PC, allows different clients to control the AML robotics system. DAS uses the client name to determine the access permission of the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 115: Aml Pvr Additional Information

    In order for the HPSS AML PVR to communicate with the AML robot, it is required that the DAS Server process be running. Once the DAS, TCP/IP and AML configuration have been completed, the DAS server is initialized and started with the following steps: HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 116: Lto Pvr Specific Configuration

    If two or more drives tie for the lowest score, one drive is selected at random. The score is calculated as follows: HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 117 The Distance To Drive helps minimize mount times by mounting the tape in a physically close drive. For IBM robots, the time it takes to move a cartridge to a more distant drive is not significant, so the default value here is fairly low. All other things being equal, the tape will be mounted in the closest drive.

  • Page 118: Lto Pvr Additional Information

    While HPSS can theoretically share an IBM robot with other tape management systems, this is not recommended. If a robot is shared, care must be taken to ensure that a drive is not used by any other tape management system while that drive is unlocked in HPSS.
  • Page 119 Dismount Delay time limit is exceeded. Support Shelf Tape. If ON, the PVR and the PVL will support the removal of cartridges • from the tape library using the shelf_tape utility. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 120: Stk Pvr Specific Configuration Window

    All other things being equal, the tape will be mounted in the closest drive. Shelf Tape Check-In Retry. The number of seconds the PVR will wait before asking the robot if a HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 121: Stk Pvr Additional Information

    HPSS. If a drive is being used by another tape management system, it must be configured as locked in HPSS. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 122 ***** Welcome to t_startit.sh, Version 2.3 ***** This is the automated tester and startit script for the TOOLKIT. Simply answer the questions which follow. Executables live in: /opt/hpss/stk/bin HPSS Management Guide Release 7.3 (Revision 1.0) Remote Host Version Number November 2009...

  • Page 123: Deleting A Server Configuration

    A server’s configuration can be removed when the server is no longer needed. However, care should be taken to ensure that all objects created by the server are deleted properly and that all references to the HPSS Management Guide Release 7.3 (Revision 1.0) Remote Host Version Number November 2009...
  • Page 124 If deleting the Mover, delete Mover’s socket files in /var/hpss/tmp directory. · 1. Delete the server configuration by opening the server list, highlighting the target server, and HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 125: Monitoring Server Information

    Idle - The server is running, but has no work to perform. Most servers do not update Usage State • dynamically, so it is unlikely you will see this value reported. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 126 Under normal conditions, the server states and statuses reported on the Server Information window are as follows: Operational State: Enabled Usage State: Active Administrative State: Unlocked Execution State: Active Service Status: Normal Security Status: Normal Software Status: Normal Hardware Status: Normal HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 127: Specific Server Information

    If the server’s operational state is Broken or Unknown, the Specific Server Information window will not be available for viewing. The server specific information windows are described in detail below. 5.1.1.1. Core Server Information Window Field Descriptions Core Server. The descriptive name of the Core Server. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 128 Migrations. The number of migrate requests processed in the Core Server since startup or last • reset of the statistics. Purges. The number of purge requests processed in the Core Server since startup or last reset of • the statistics. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 129 Active Tape Bytes. This is the sum of the bytes assigned to files on tapes. It does not include • deleted file space that has not been reclaimed. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 130: Gatekeeper Information Window

    5.1.1.1. Gatekeeper Information Window Field Descriptions Server Name. The descriptive name of the Gatekeeper. Default Wait Time. The number of seconds the client must wait before retrying a request. This value HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 131 Stages Completed. Statistics from the gk_StageComplete API. This API is called by the Core • Server when the Gatekeeper is monitoring Stage Requests and the stage completes. Client Clean Ups. Statistics from the gk_CleanUpClient API. This API is called by the Core • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 132: Location Server Information Window

    (maps). Location Map Updates. The number of background location map updates that have occurred. Location Map Update Timeouts. The number of timeouts that have occurred while waiting for location map information. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 133: Hpss Management Guide November

    5.1.1.3. Mover Information Window This window allows you to view and update the type-specific information associated with a Mover. Any HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 134: Operational Notes

    Related Information HPSS Error Manual, Chapter 1, Section 1.2.7: Mover Problems. 5.1.1.1. Physical Volume Library (PVL) Information Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 135: Physical Volume Repository (Pvr) Information Windows

    The PVR will continue checking at this interval until the tape is checked-in. This field applies only if the Support Shelf Tape checkbox is selected. The retry value must be 30 or greater. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 136: 3494 Pvr Information Window

    The Distance To Drive helps minimize mount times by mounting the tape in a physically close drive. For IBM robots, the time it takes to move a cartridge to a more distant drive is not significant, so the default value here is fairly low. The unit of distance for a 3494 library is one frame. All other things being equal, the tape will be mounted in the closest drive.
  • Page 137 Dismount Delay time limit is exceeded. Support Shelf Tape. If ON, the PVR and the PVL will support the removal of cartridges • from the tape library using the shelf_tape utility. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 138: Aml Pvr Information Window

    Server VV Condition, see Section 4.5.4.2: Core Server Tape Volume Information Window on page 271. Drive Error Limit. This field is used in conjunction with the PVR Server Retry Mount Time Limit. If HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 139: Lto Pvr Information Window

    Cartridge Alarm Threshold field to determine when to send an alarm that the total cartridge threshold has been exceeded. Cartridge Alarm Threshold. The percentage of the Cartridge Capacity at which the PVR will send an HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 140 The Distance To Drive helps minimize mount times by mounting the tape in a physically close drive. For IBM robots, the time it takes to move a cartridge to a more distant drive is not significant, so the default value here is fairly low. All other things being equal, the tape will be mounted in the closest drive.

  • Page 141: Scsi Pvr Information Window

    Weight 2 * Cartridges from other jobs mounted on this drive’s controller + Weight 3 * Units of distance from the cartridge to the drive This method has the effect of distributing a striped tape mount across as many controllers as possible for HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 142 Enforce Home Location. If ON, the SCSI PVR will always try to dismount a mounted cart • back to its home location. Otherwise, it will just use the first free slot. The scsi_home utility can be used to view and manipulate the home location values. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 143: Stk Pvr Information Window

    Once exceeded, an error is generated and the mount request is canceled. If the mount request would have resulted in a write operation, the error returned will cause the Core HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 144: Real-Time Monitoring (Rtm)

    If a request remains for an unusually long time, it may indicate a hang condition or a deadlock situation that may require special intervention. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 145: Rtm Summary List

    PVName. The name of the Physical Volume associated with this request (if available). 1 "write tm" means to write a tape mark. HPSS Management Guide Release 7.3 (Revision 1.0) , etc. November 2009...

  • Page 146: Rtm Detail

    The server specific data structures each have a Common and ReqInfo structure embedded in them. The Common structure will contain the same fields for each server type. The Common fields are; HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 147 BFS_BytesRequested. The number of bytes to be moved in this request as known by the bitfile server. BFS_BytesMoved. The number of bytes already moved for this request as known by the bitfile server. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 148 ClientConnectedId. The ID of the end client connection associated with this request. ControlNo. A unique control ID used by the GateKeeper server. RealmId. The Realm ID of the user associated with this request. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 149: Starting Hpss

    If server output is to be redirected to /dev/console, ensure that the HPSSLOG variable in the env.conf file is not set to stdout since this combination may severely degrade the HPSS performance. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 150: Starting Ssm

    SSM, and that the server is configured and its Executable flag is set. Ensure that any required PVR controllers are up and running before bringing up the PVRs. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 151: Automatic Server Restart

    SSM will confirm the request through a pop-up window. The SSM user may wish to verify the result of the request in the status bar on the Servers window as well as to monitor the Alarms and Events HPSS Management Guide Release 7.3 (Revision 1.0) Table 1. Auto Restart Count Values Meaning...

  • Page 152: Shutting Down All Hpss Servers

    5.1.4. Shutting Down the SSM Server To shutdown the SSM server, select System Manager from the Shutdown submenu of the Operation menu on the HPSS Health and Status window. All SSM user sessions, including graphical and HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 153: Shutting Down The Startup Daemon

    One or more servers can be repaired with each request. To initiate the request, select the desired servers from the Servers window and click on the Repair HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 154: Reinitializing A Server

    HPSS server when it is told to reinitialize. Table 1. Server Reinitialization Behavior Server Log Daemon, Log Client, Location Server HPSS Management Guide Release 7.3 (Revision 1.0) Behavior These servers support full reinitialization. This means that reinitialization is as effective as restarting the server. November 2009...
  • Page 155 If a server does not support reinitialization, a pop-up window will be displayed to inform the user of the invalid request. Warnings are not displayed for servers that only partially support reinitialization. HPSS Management Guide Release 7.3 (Revision 1.0) Resets the COS Copy to Disk, COS Change Retry Limit, Tape Dismount Delay, Tape...

  • Page 156: Forcing An Ssm Connection

    Status field on the Servers window. The SSM System Manager periodically retries the connection with all the servers that are configured to execute. The Force Connect button may be used to trigger an immediate connection request. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 157: Chapter 6. Storage Configuration

    Storage Class List. The central panel in this window shows the list of configured storage classes. The columns display selected fields from the Storage Class Configuration windows discussed in the following sections. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 158: Information Buttons

    Create Tape. Opens a Tape Storage Class window containing default values for a new tape storage class. Configure. Opens the selected storage class configuration(s) for editing. Delete. Deletes the selected storage class(es). 6.1.2. Disk Storage Class Configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 159 Storage Class Name. The descriptive name of the storage class. Storage Class Type. The type of the storage class (Disk). Migration Policy. The migration policy associated with this storage class, or None if no migration is desired. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 160 The principal effect of changing the value of the Average Number of Storage Segments is on disk volume fragmentation. If the files to be stored in a storage class are large relative to the size of the disk HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 161 Stripe Length (SL). The Stripe Length is the product of the VV Block Size (VVBS) and the Stripe Width (SW). Min Multiplier (MINMULT). The Min Storage Segment Size (MINSEG) field is set to the product of this value and Stripe Length (SL). HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 162: Transfer Rate

    Stripe Transfer Rate (STR). The estimated aggregate transfer rate for volumes of this type. This value is the product of the Stripe Width (SW) and the Device I/O Rate (DIOR). 6.1.3. Tape Storage Class Configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 163 Migration Policy. The migration policy associated with this storage class, or None if no migration is desired. Advice - Do not configure a migration policy for a storage class at the lowest level in a hierarchy. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 164 Best performance of striped copies usually occurs when the VV Block Sizes of the source and sink are equal. This minimizes the data HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 165: Transfer Rate

    However, smaller values may reduce the amount of data that may need to be re-written on another tape when a tape reaches EOM. As tape drive streaming rates increase, we generally recommend larger values for this setting. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 166: Storage Class Subsystem Thresholds

    After creating or modifying any thresholds, the Core Server and Migration Purge Server for the affected subsystem must be recycled to make the changes effective. Related Information Section 4.2.3.8: Storage Class Threshold Overrides on page 81. 6.1.4.1. Disk Storage Subsystem-Specific Thresholds HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 167 Storage Subsystem Count. The number of storage subsystems in the HPSS system. Subsystem List. A list of configured storage subsystems. Columns in the list include: Subsys ID. The ID of the selected storage subsystem. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 168: Tape Storage Subsystem-Specific Thresholds

    This window is used to define Warning and Critical thresholds unique to a particular storage subsystem, overriding the values defined in the tape storage class. The user may modify either the number of HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 169: Changing A Storage Class Definition

    Fields that can be changed in the storage class definition without major impact are the Migration Policy, Purge Policy, Warning Threshold, and Critical Threshold. They can be changed at the discretion of HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 170: Deleting A Storage Class Definition

    6.2. Storage Hierarchies This section describes how to create, modify, and delete storage hierarchies. 6.2.1. Hierarchies Window An HPSS storage hierarchy can be created and managed using the Hierarchies window. This window is HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 171 Levels. The number of storage classes that have been configured into the hierarchy. Storage Class ID 0 to Storage Class ID 4. The name of the storage class at the given hierarchy level. HPSS arranges the storage classes into levels internally. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 172: Configuration Buttons

    Service have been deleted and no client is still attempting to use that Class of Service. After changing any hierarchy information, all Core Servers and Migration Purge (MPS) servers must be recycled to make the changes effective. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 173: Hpss Management Guide November

    Classes of Service. Before deleting a hierarchy, all the files in all of the Classes of Service that use the hierarchy must be deleted. Failure to HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 174: Classes Of Service

    The columns display the fields from the Class of Service Configuration window discussed in the following section. Information Buttons. Hierarchy Cfg. Open a Storage Hierarchy Configuration window for the hierarchy associated with the selected class of service. Configuration Buttons. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 175: Class Of Service Configuration Window

    Stage Code. A code that indicates the file staging options. Valid values are On Open, On Open Async, No Stage, and On Open Background. For the first COS created in a new HPSS system, the default value HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 176 Force Selection. A flag to determine how a COS will be selected. If ON, a client must explicitly • select this COS in order to have a file assigned to it; if the client merely supplies general COS hints for a file, this COS will not be selected. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 177 If it is known that the users of a COS do frequent appends to their files, it is better to turn the COS Truncate Final Segment flag off to avoid these potential fragmentation and space waste issues. If no HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 178: Changing A Class Of Service Definition

    32768 64KB storage segments would be needed to contain such a file. Associated with the Maximum File Size is the Enforce Maximum File Size flag. Changing this can HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 179: Deleting A Class Of Service Definition

    Class of Service was empty. To delete the COS definition, use the Delete button on the appropriate Class of Service Configuration window. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 180: Changing A File's Class Of Service

    The storage subsystem specific migration policies share the migration Policy ID and Policy Name with the basic policy. 6.4.1. Migration Policies Window This window displays a list of all the configured migration policies. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 181 Policy Name. The name assigned to this migration policy. Subsystem. If the policy is a subsystem-specific override, this shows the subsystem to which it applies. This field will be blank for basic policies. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 182: Related Information

    Delete. Deletes the selected migration policy(s). Related Information HPSS Installation Guide, Section 3.7.2: Migration Purge Server 6.4.2. Migration Policy Configuration This section describes the configuration, update, and deletion of migration policies. 6.4.2.1. Disk Migration Policy Configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 183 Migration needs to run often enough so the storage class to which the policy is assigned does not fill up. Migrations can also be started manually from the Active HPSS Storage Classes window. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 184 VVs that can be written simultaneously in a HPSS Management Guide Release 7.3 (Revision 1.0) + ( SW × TMS ) Hier1,LevelA + ( SW ×...

  • Page 185: Tape Migration Policy Configuration

    Optimize for Even File Family Migration. Select this option in order to evenly migrate files from all file families with migrateable files. Otherwise, the MPS will migrate all files within a file family before moving onward to the next file family. 6.4.2.2. Tape Migration Policy Configuration HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 186 Migration Target. The desired percentage of free tape space to have available when migration is completed. The migration will be terminated when this goal is reached or when no more files meet the HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 187 Migrate Files. A duplicate copy of the tape files will be made at the next lower level in the hierarchy. This enables a tape migration algorithm which is similar to disk migration. This algorithm is HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 188: Changing A Migration Policy

    Configured Storage Classes list for any storage class that references the Migration Policy to be deleted. Be sure to recycle Core Servers and Migration Purge Servers after deleting a Migration Policy. Simply reinitializing them to reload the configuration is not sufficient. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 189: Purge Policies

    Policies window appears. Enter the desired parameters for the policy, and then press the Add button. The policy will be added to the system. If sub-system specific policies are desired, press the New Subsystem HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 190: Purge Policy Configuration

    Create New. Open a Purge Policies window with default values for a new policy. Configure. Open the selected purge policy(ies) for editing. Delete. Delete the selected purge policy(ies). 6.5.2. Purge Policy Configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 191 Policy Name. The descriptive name of the Purge Policy. Policy ID. A unique ID associated with the Purge Policy. Do not purge files last accessed within. A file will not be a candidate for purge until it has remained HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 192: Changing A Purge Policy

    1 Use the Controls selection list on the MPS Storage Class Information screen or the Migration Controls selection list on the Active Storage Class list screen to reread policies. HPSS Management Guide Release 7.3 (Revision 1.0) If the Migration Purge Servers are restarted, the changes to the purge November 2009...

  • Page 193: Deleting A Purge Policy

    Sub-system specific policies can be individually deleted from the Purge Policy configuration window for the policy by selecting the specific subsystem's tab and pressing the Delete Subsystem Policy button. 6.6. File Families This window lists the configured file families. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 194: File Family Configuration

    The file family attribute is permanent and cannot be removed or changed in existing files. Deleting a file family just means that files can no longer be added to the deleted file family. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 195 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 196: Chapter 7. Device And Drive Management

    For disk drives, the raw disk must first be defined in the operating system. Note that using the block special file name in the device configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 197 At this point, the Administrative State of the drive must be unlocked before it is available. Refer to Section 7.4.1: Unlocking a Drive on page 220. Disk Device Configuration Tape Device Configuration HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 198 (e.g., /dev/rhpss_disk1). For AIX systems, SCSI attached tape drives are typically referred to by pathnames of the form /dev/rmtX, where X begins at zero and is incremented for each tape drive detected. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 199 Write Enabled. An indication of whether the device is available for writing. • Locate Support (tape only). An indication of whether the device supports a high speed (absolute) • positioning operation. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 200 Advice - On some devices, this may provide a higher performance method to ensure that data has been safely written to the media. This option is not used for the IBM 3590 and 3590E devices, provided the HPSS supported device driver is used in accessing the device. Note that for Ampex DST-312 this field should be set to “ON”.

  • Page 201: Table 2. Recommended Settings For Tape Devices

    ACS,Unit,Panel,Drive Number used by ACSLS to identify drives. For example, the first drive in a typical configuration has Drive Address 0,0,10,0. For IBM 3584 LTO robots: The Drive Address configuration entries correspond to the SCSI address (location) of the drive in the library. Determine the drive location by running an inventory on the library either through the tapeutil utility supplied with the Atape driver or using the library console.

  • Page 202: Devices And Drives Window

    For example, a site may want to place a comment in this field that the drive is out of service or being used by another system, etc. 7.1.1. Devices and Drives Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 203 Device State. The current operational state of the device, as reported by its controlling Mover. The possible states are: Enabled - The device is working normally. • Suspect - The Mover has detected errors on the device, but it is still functioning. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 204 Drive Admin State. The current administrative state of the drive, as reported by the PVL. The possible states are: Locked - The drive is locked and unavailable for use by HPSS. • Unlocked - The drive is unlocked and available for use by HPSS. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 205 You are prompted to confirm your request before it is actually executed. The window's status bar displays a message when marking begins, and when the request is complete, another message tells how many requests were successful. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 206: Information Buttons

    PVL. Configuration Buttons This group of buttons allows you to do device/drive configuration. Create Disk. This button is always active. Clicking on it opens the Disk Device Configuration HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 207: Enable Variable Block Sizes For Tape Devices

    Server on page 151 to shutdown the servers. Verify that these servers are no longer running before attempting to reconfigure the drive. SSM will display a warning listing the servers requiring shutdown to help the administrator verify that the proper servers have been shutdown. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 208: Deleting A Drive's Configuration

    The Drive Flag field in the Devices and Drives window and PVL Drive Information window will report whether or not a particular drive is pending Mover/PVR notification; of course, this is only viewable while the drive exists. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 209: Monitoring Devices And Drives

    PVL Drive Information - used to view or update the state or configuration of the PVL drive. See • Section 7.2.2: PVL Drive Information Window on page 214 for more information. 7.2.1. Mover Device Information Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 210 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 211 Active - A Mover task currently has control of the device. • Idle - No Mover task is controlling the device. • Device Flags. This group of buttons defines various device characteristics. When a button is ON, it HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 212 Advice - On some devices, this may provide a higher performance method to ensure that data has been safely written to the media. This option is not used for the IBM 3590, and 3590E devices, provided the HPSS supported device driver is used in accessing the device. Note that for Ampex DST-312 this field should be set to “ON”.

  • Page 213: Operational Notes

    Setting device attributes through this window will not cause the configuration metadata to be • updated. The device statistics fields (number of bytes read, number of bytes written, number of errors) are • all initialized to zero when the mover is initialized. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 214: Pvl Drive Information Window

    7.2.2. PVL Drive Information Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 215 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 216 PVL and the PVR that controls removable media operations for the drive. Drive Type. The HPSS drive type which describes the physical drive. Mover. The descriptive name of the Mover which moves data to and from this drive. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 217 Clear - Nothing needs to be done. • Modified - Set by SSM when the drive has been modified. It was added for a future feature; • currently unsupported. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 218: Related Information

    HPSS provides HPSS end clients the ability to direct tape read I/O requests to a predefined group of tape drives referred to as a Drive Pool. This ability helps HPSS administrators manage tape drive scheduling HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 219: Tape Drive Configuration

    This is another reason why the drive pool processing is restricted to tape read access only. All mounts for striped tape volumes will be serviced from the same Drive Pool. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 220: Changing Device And Drive State

    Locking a tape drive will not affect an active job which has a volume mounted. Once that job has completed, the drive will be dismounted and no further mounts will take place. This may be useful when preventative maintenance is required for an operating drive. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 221: Repairing The State Of A Device Or Drive

    These values can all be reset to zero by the Reset button located next to the statistic field on the appropriate window. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 222 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 223: Chapter 8. Volume And Storage Management

    Operator - No cartridge injection step is necessary (or possible). • 3494 - When importing new cartridges into HPSS, the cartridges must be entered into the IBM • robot before any HPSS import operations are performed. Cartridges placed in the convenience I/O port will automatically be injected by the robot.
  • Page 224 HPSS export command is used. The AML PVR is supported by special bid only. LTO - When importing new cartridges into HPSS, the cartridges must be entered into the IBM •...

  • Page 225: Hpss Management Guide November

    For the retry, the original list of volumes to import can be re-used because the PVL will skip volumes that have already been imported. 8.1.1.1. Import Tape Volumes Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 226 Alarms and Events window to get more information on the failures. If you request the import of a volume which was previously imported, the System Manager counts this as HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 227 When an addition produces overflow in a column, numerical columns are carried over properly to alphabetic columns and vice versa. Example: Fill Count = 6 Fill Increment = 2000 Volume Label= "AA7329" Labels automatically inserted into Volume List: "AA7329" "AA9329" "AB1329" “AB3329” HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 228 The default value is 1. The Fill Increment is added to the least significant part of a volume label to generate a new label. Volume Label. The six-character alpha-numeric label of a volume to be imported. The label is added to HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 229: Selecting Import Type For Tape Cartridges

    Current Tape Label A UniTree label (an ANSI label without a trailing tape mark) with a correct Volume HPSS Management Guide Release 7.3 (Revision 1.0) Table 3. Tape Import Types Default Import Overwrite Import Scratch Import Tape Imported Label Written,...

  • Page 230: Import Disk Volumes Window

    HPSS. Both label types are supported by HPSS; tapes already beginning with an ANSI label are not relabeled unless the overwrite import option is selected and volume labels match. 8.1.1.3. Import Disk Volumes Window HPSS Management Guide Release 7.3 (Revision 1.0) Tape Imported Label Written, Tape Imported...
  • Page 231 To add a single volume name to the Volume List, set the Fill Count and the Fill Increment each to 1 and type the volume name into the Volume Label field. The volume name will be added to the Volume HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 232 Volume List. Field Descriptions Media Type. The type of media to be imported. Import Type. The type of import to be performed. Valid values are Default, Scratch and Overwrite . HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 233 It is a good idea to have the Alarms and Events window open while import proceeds, so that all relevant log messages can be viewed. When the import is finished, a completion message is displayed and the window features are sensitized HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 234: Selecting Import Type For Disk Volumes

    Once volumes are created, changes to the Storage Class have no effect on the characteristics of existing volumes. The Storage Class characteristics (block sizes, stripe widths, etc.) HPSS Management Guide Release 7.3 (Revision 1.0) Table 4. Disk Import Types Default Import...

  • Page 235: Create Tape Resources Window

    To add a single volume name to the Volume List, set the Fill Count and the Fill Increment each to 1 and type the volume name into the Volume Label field. The volume name will be added to the Volume HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 236 Core Server. The name of the Core Server that will process the create request and in which the tape storage resources will be created. The Storage Class field must be filled in before selecting a Core HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 237: Create Disk Resources Window

    Dismiss button. This prevents the user from modifying any data on the window while the create request is in progress. 8.1.2.2. Create Disk Resources Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 238 The specified number of volume names will be added to the Volume List, each one larger than the previous entry by the specified Fill Increment. Example: Fill Count = 6 Fill Increment = 10 Volume Label = "AA0070" Labels automatically inserted into Volume List table: "AA0070" HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 239 Fill Count. The number of labels to be added to the Volume List when a value is typed into the Volume Label field. Valid values are positive integers greater than or equal to 1 up to the number of drives HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 240: Removing Storage Space

    Storage resources can be removed from HPSS volumes by the use of the Delete Resources window or the remove utility. Once resources have been deleted, the volumes may be reused or removed from the HPSS system. To HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 241: Rules For Deleting Resources

    Volume names are not typed directly into the HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 242 Volume names must be six alphanumeric characters. No other characters are allowed on the line. The file must be accessible from the host on which the hpssgui is executing. Enter the name of HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 243: Related Information

    Section 8.4: Dealing with a Space Shortage on page 258. 8.2.2. Exporting Volumes from HPSS Exporting volumes from HPSS is the process of removing tape cartridges or disk volume from HPSS control. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 244: Rules For Exporting Volumes

    Alarms and Events window and HPSS will periodically retry the eject operation. Use the Export Volumes window in the following section to perform the actual export operation. 8.2.2.2. Export Volumes Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 245 Then type the starting volume name into the Volume Label field. The specified number of volume names will be added to the Volume List, each one larger than the previous entry by the specified Fill Increment. Example: HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 246 Once the export is completed, cartridges residing in robotic tape systems will be ejected by the controlling PVR (if Eject Tapes after Exporting is selected) and should be removed from the access port of the robot. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 247: Monitoring Storage Space

    When a storage class experiences a threshold-exceeded condition, an administrator may need to review the associated migration and purge policies for the storage class as well as the total storage space HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 248: Active Storage Classes Window

    To display this window, from the Health and Status window, select the Monitor menu, and from that select the Storage Classes Active menu item. The function buttons to the right of this list require that one storage class row be selected from the list. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 249 Total Space. The total amount of space in the storage class. For disk, this is the number of bytes. For tape, it is the number of virtual volumes. Migr State. The migration state for the storage class. The Purge State resets to WAITING or NONE as HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 250 Stop - If the purge state is Running, this stops the purge and puts it into the Waiting state. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 251: Mps Disk Storage Class Information

    Purge Policy. Opens the Purge Policy window for the purge policy assigned to the selected storage class. If there is no assigned purge policy, the button is disabled. 8.3.2. MPS Disk Storage Class Information HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 252 Any changes made to fields on the window are sent directly to the MPS and are effective immediately. If the MPS is restarted, changes made through this window are lost. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 253 Warning Threshold. For disk storage classes, this value is a percentage of total storage space. When the used space in this storage class exceeds this percent of the total space, the MPS will send a warning HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 254 Stop - If the migration state is Running, this stops the migration and puts it into the • Waiting state. Suspend - If the migration state is Waiting or Running, this puts the migration into the • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 255 Reread policy - Tells the MPS to refresh its purge policy information by rereading the • policy. Pending Operations. When the MPS cannot respond immediately to a Control command, a command may be saved as pending. Any such pending operations are displayed here. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 256: Mps Tape Storage Class Information

    If two of these windows are opened, each for the same storage class but for different subsystems, they will display different information. Any changes made to fields on the window are sent directly to the MPS and are effective immediately. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 257 Waiting - Migration is not taking place at this time. The start of the next migration is • waiting until criteria specified in the migration policy are met. Suspended - Migration on this storage class has been suspended by the system • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 258: Dealing With A Space Shortage

    When the repack is finished, a number of volumes will be cleared of data. To make these volumes ready for reuse, they must be processed by the reclaim program, which refreshes the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 259: Forcing Migration

    Repack can also move disk data from one volume to another. Repack is frequently used to empty a failing disk volume by first setting it to RW (or perhaps RO depending on the nature of the failure), then moving its contents to other volumes. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 260: Repack Virtual Volumes Window

    VV exist or could be resolved. Reclaimed tape volumes are entered into HPSS metadata in RWC Condition and are immediately available for use. 8.4.3.1. Repack Virtual Volumes Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 261 VV Space percentage, the volume is selected. Note that vacated files in file aggregates on tapes will not be counted as occupied space. A tape containing a relatively small number of large file aggregates from HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 262: Reclaim Virtual Volumes Window

    Number of VVs to Reclaim. The number of tape virtual volumes in the storage class that will be reclaimed. If the number of candidate volumes is less than this value, all eligible volumes will be reclaimed. Retired volumes are never reclaimed. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 263: Volume Management

    PVL Volume. Once you have filled in both fields, clicking on this button will open the PVL Volume Information window for the specified volume. This metadata is created when the volume is successfully HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 264: Pvl Volume Information Window

    Allocated. Storage resources have been created on the volume, it is allocated to a Core Server, • and it is available to the system for I/O. HPSS Management Guide Release 7.3 (Revision 1.0) torage resources have been created on the volume, November 2009...

  • Page 265: Pvr Cartridge Information Window

    Before using the window, the user should know the 6-character label of the cartridge. The dumppv_pvr utility can be used to list all the cartridges being managed by the PVR and help determine the label. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 266 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 267 Cartridge ID. The six-character cartridge label. Sides. The number of partitions (sides) on the cartridge. Currently always set to one. Mounted Side. The partition currently mounted. Set to zero if the cartridge is not currently mounted; HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 268 (i.e. when the cartridge is not mounted). Location Type. The type of cartridge location information being displayed. Possible values are: None - No location information is available. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 269: Core Server Volume And Segment Windows

    Note that this will not dismount a mounted tape. 8.5.4. Core Server Volume and Segment Windows 8.5.4.1. Core Server Disk Volume Information Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 270 EMPTY is displayed by the server when the Condition is RO and there are no storage segments in the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 271 PVL Job ID. The PVL job ID in which this volume is mounted. This field will be zero if the volume is not mounted. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 272 Creation Time. The date and time the disk volume was created in the Core Server. VV ID. The detailed description of the disk virtual volume ID associated with this disk virtual volume. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 273: Physical Volumes

    Mvr. The descriptive name of the Mover that operates this physical volume. Mvr Host. The name of the host on which the Mover runs. 8.5.4.2. Core Server Tape Volume Information Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 274 VV Condition. This is the administrative control for the tape virtual volume. It will have one of six values: RWC, RW, RO, EOM, EMPTY or DOWN. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 275 It cannot be changed manually. Use the VV Condition to change the operational condition of the volume. A tape volume starts in Free state, which indicates that it can be selected to receive a storage segment and HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 276 When writing a tape, this value is set to the Next Write Address, and then advances as the tape is written. Updates to this field occur when I/O operations complete, so in some cases significant amounts HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 277 Less Commonly Used Data Tab File Family. The family to which the volume is assigned, if any. If it is not assigned to a family, it is assigned to the default family, family zero. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 278: Changing Core Server Volume Condition

    HPSS provides a single control that sets the operational condition of a disk or tape virtual volume. The control is found on the Core Server Tape Volume and Core Server Disk Volume windows and is called the VV Condition. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 279 Tape volumes enter EOM condition when the end of media marker is reached while writing the tape or when the administrator sets the Condition to EOM. EOM condition is similar to RO condition - segments HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 280: Moving Pvr Cartridges To Another Pvr

    If it is physically in the target library, then it will be treated as a move of a shelf tape to an online cartridge in the target library. Use the Move Cartridges to New PVR window in the following section. 8.5.6.1. Move Cartridges Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 281 Then type the starting volume name into the Volume Label field. The specified number of volume names will be added to the Volume List, each one larger than the previous entry by the specified Fill Increment. Example: Fill Count = 6 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 282 New PVR. The descriptive name of the PVR to which the cartridges will be moved. File Containing Volume List. The name of an external file containing a list of cartridge labels to be added to the end of the Volume List. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 283: Monitoring And Managing Volume Mounts

    The PVL reports every tape mount request in the Tape Mount Requests window. Tapes which need to be returned to the robot from a shelf or vault location are reported in the Tape Check-In Requests window. Each of these windows is described in detail in this section. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 284: Pvl Job Queue Window

    Deferred Dismount – A cartridge is scheduled for dismount, but the dismount has been delayed in • case the cartridge needs to be used by another upcoming job. Move - A cartridge being moved to a new PVR. • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 285: Related Information

    This will generate a dismount request. Related Information Section 8.6.5: Tape Mount Requests Window on page 289 Section 8.6.3: Canceling Queued PVL Requests on page 288 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 286: Pvl Request Information Window

    Request Timestamp. The date and time when the request was issued to the PVL. Mounted Volumes. The number of volumes that are currently mounted for this request. Request Status. The current status of the job/request. Possible values are: HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 287 State. The state of the volume within the context of this request. Possible values are: Cart Assigned • Cart Wait • Dismount Pending • Dismounted • Drive Wait • Eject • Inject • Mount Failed • Mount Pending • Mounted • Reading Label • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 288: Canceling Queued Pvl Requests

    If a Tape Check-In Request has been displayed, and the corresponding tape has not been checked in, the PVR HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 289: Buttons And Checkboxes

    SSM. When this button is clicked from any SSM session, the Tape Check-In Requests windows on all SSM sessions will be cleared. 8.6.5. Tape Mount Requests Window HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 290 Elapsed Time. The length of time (days-hours:min:sec) that the mount request has been waiting. Buttons and Checkboxes Auto Popup. If ON, this window will be opened automatically if it is not already on the screen when a mount request is received. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 291: Administrative Tape Dismounts

    2. Stop and restart the Core Servers and Migration Purge Servers that use the modified storage class. These servers cache storage class definitions in memory and should have the opportunity to HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 292 6. Invoke the remove utility to remove all retired and empty volumes. This utility will delete all resources associated with these volumes and export them from HPSS. Note that remove accepts a list of PVs to remove. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 293 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 294: Chapter 9. Logging And Status

    3. The Central Log (Section 9.3: Managing the Central Log on page 299) 4. Log Clients and Log Daemon (Section 5.1.4: Log Client Specific Configuration on page 100 and Section 5.1.1: Log Daemon Specific Configuration on page 101) HPSS Management Guide Release 7.3 (Revision 1.0) Chapter 9. Logging and Status November 2009...

  • Page 295: Log Policies

    If a server-specific logging policy is configured for a server, that policy is used for the server. • If no server-specific logging policy is configured for a server, but a default logging policy is • configured, the default policy will be used for the server. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 296: Logging Policies Window

    Policy window (Section 9.2.2.1 Logging Policy Configuration Window on page 297. Configuration Buttons Create New. Opens a Logging Policy window containing default values for a new policy. Configure. Opens the selected log policy configuration for editing. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 297: Hpss Management Guide November

    Log Client. The record types are: ALARM. A message reporting a high-level error condition of interest to the administrator. It is • HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 298: Changing A Log Policy

    The log policy for a configured server may be accessed from the Log Policy tab of the Server Configuration window for that server (Section 5.1.1.1: Log Policy on page 95), or from the Logging Policies window (Section 9.2.2: Logging Policies Window on page 296). HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 299: Deleting A Log Policy

    In addition to modifying the logging configuration to control logging, the HPSSLOG_SHMKEY, HPSSLOG, and HPSSLOGGER environment variables described in the HPSS Installation Guide, Section 5.6: Define HPSS Environment Variables can also be used. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 300: Viewing The Central Log (Delogging)

    Use the hpss_delog utility to convert the logfile01, logfile02, or archived log file retrieved from HPSS. Please see the hpss_delog man page for full usage information and examples. 9.4. Log Files Information HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 301: Managing Local Logging

    Current Size. The physical size of the logfile in bytes. 9.5. Managing Local Logging This section describes configuring and viewing the local log file. A local log (local.log) is located on every node where a Log Client resides. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 302: Configuring Local Logging Options

    The local log file is an ASCII text file and can be viewed as such. The name of the local log file is specified in the Log Client’s configuration entry. 9.6. Managing SSM Alarms and Events This section describes how to manage SSM alarms and events. 9.6.1. Alarms and Events Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 303: Alarm/Event Information

    Alarm/Event Info button to bring up the Alarm/Event Information window. Field Descriptions This list displays a column for each field shown on the Alarm/Event Information window. See Section 9.6.2: Alarm/Event Information for the field descriptions. 9.6.2. Alarm/Event Information HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 304 Object Class. Process-specific ID number assigned by the process logging the message. Severity. For events, this field will be blank. For alarms, it will be one of the following: Warning • Minor • Major • HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 305: Diagnosing Hpss Problems With Alarms And Events

    By default, the SSM System Manager stores the alarms, events, and status messages it receives in an internal memory cache. This cache can be configured instead to be kept in a disk file by defining the HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 306: Controlling Log Messages Displayed By Hpssgui And Hpssadm

    The value for the maximum number of messages to return by each polling request may be redefined by the HPSS_SSM_ALARM_GET environment variable or by the "-G" option to the hpssgui or hpssadm startup script. The command line option takes precedence over the environment variable. This option HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 307 See Section 3.10: SSM List Preferences on page 69 for information on filtering and sorting alarms. Filtering and sorting of the Alarms and Events list are not yet available for hpssadm users. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 308: Chapter 10. Filesets And Junctions

    Class of Service. The name of the Class of Service to which the fileset is assigned. If this field contains "NONE", the fileset has not been assigned to a Class of Service. HPSS Management Guide Release 7.3 (Revision 1.0) Filesets and Junctions November 2009...
  • Page 309 Junction Name on the Create Junction Window to create the new Junction. Delete Junction. Delete the selected junctions. This button is only enabled if 1 or more items are selected in the list. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 310: Creating An Hpss Fileset

    After creating a new HPSS fileset, a new junction will be needed to connect this new fileset to the HPSS name space. See Section 10.5 Creating a Junction on page 315 for more information. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 311 Create. Creates the fileset. If the create succeeds, a success message will appear on the status line at the bottom of the window; otherwise an error message will appear. Dismiss. Closes the window. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 312: Managing Existing Filesets

    The Fileset State can be used to prevent any changes to fileset data or to fileset metadata. Changing the state to just Read (unchecking the Write checkbox) will allow reading, but no changes will be allowed to HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 313 Sym Links. The number of symbolic links in this fileset. Hard Links. The number of hard links in this fileset. Junctions. The number of junctions in this fileset. Core Server. The name of the Core Server that handles this fileset. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 314: Deleting Filesets

    The following confirmation will be displayed; To continue with the fileset deletion, press “Yes”. Filesets may also be deleted from the Core Server Fileset Information window using the Delete button. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 315: Creating A Junction

    At this point, data can be entered for another junction, or the window can be dismissed. Dismiss. Closes the window. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 316: Deleting A Junction

    To delete a junction using SSM, select the junction(s) to be deleted from the Filesets & Junctions List and press the Delete Junction button. You will be asked to confirm the deletion with the following dialog; To continue with the junction deletion, press “Yes”. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 317: Chapter 11. Files, Directories And Objects By Soid

    Show File/Directory. If the Absolute Path Name exists, clicking on this button will open the File/Directory Information window. The Lookup Files and Directories window will remain open so that the administrator may specify another file or directory. Dismiss. Closes the window. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 318: File/Directory Information Window

    Pressing this button will cause the Storage Object ID window to appear. Field Descriptions Path Name. The pathname to either the file or the directory. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 319 Don’t Purge. This field applies only to files. If the Don't Purge check box is selected the file is purge-locked and will not be purged from the top level of the hierarchy. If the Don't Purge check box is not selected the file may be purged as usual. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 320 Note: The table below indicates which fields/attributes apply to both files and directories or just one of the two. Please refer to it to see which fields on the File/Directory Information window apply to files and/or directories. Attributes of Files/Directories Attribute Account BitfileId Attribute RealmId HPSS Management Guide Release 7.3 (Revision 1.0) File File November 2009...
  • Page 321 Comment CompositePerms COSId DataLength EntryCount ExtendedACLs FamilyId FilesetHandle FilesetId FilesetRootId FilesetStateFlags FilesetType GroupPerms LinkCount ModePerms Name OpenCount OptionFlags OtherPerms ReadCount SubSystemId TimeCreated TimeLastRead TimeLastWritten TimeModified Type UserPerms WriteCount HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 322: Objects By Soid Window

    Get Info. Once all of the fields have been filled in, clicking on this button will open the information window for the object type you selected. The Lookup Object by SOID window will remain open so that another SOID may be specified. Dismiss. Closes the window. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 323: Chapter 12. Tape Aggregation

    12.3. Configuring Tape Aggregation To turn on tape aggregation, make sure the Aggregate Files to Tape option is enabled on the Disk HPSS Management Guide Release 7.3 (Revision 1.0) Chapter 12. Tape Aggregation November 2009...
  • Page 324 Migration Policy screen. Edit any other tape aggregation related fields on that screen as needed. If MPS is running, you must also tell it to reread the Disk Migration Policy. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 325: Chapter 13. User Accounts And Accounting

    Enter password for user1: ****** Re-enter password to verify: ****** Full name: Test User Login shell: /bin/ksh Unix (local/system) home directory: /home/user1 [ adding unix user ] HPSS Management Guide Release 7.3 (Revision 1.0) User Accounts and Accounting November 2009...

  • Page 326: Add A Unix User Id

    Unix (local/system) home directory: /home/user1 [ adding unix user ] [ added unix user ] [ adding unix keytab entry to 'user1.keytab' ] [ added unix keytab entry to 'user1.keytab' ] HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 327: Hpss Management Guide November

    The utility will prompt the user for the required data. Following is an example of adding an FTP User ID on a system configured to use a separate password file FTP than for UNIX: HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 328: Add An Ssm User Id

    The utility will prompt the user for the required data. Following is an example of deleting the User IDs for an HPSS user on a system configured to use Kerberos authentication and LDAP authorization: # hpssuser -del user1 -all [ deleting ssm user ] HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 329: Listing Hpss Users

    For the case of a system configured to use UNIX, then krb5.conf won't be included in the package. Note that if krb5.conf does not exist on a system that's configured to use krb auth, then the command will fail. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 330: Accounting

    Add button will be displayed. If any option is updated on the window, the Core Server and Gatekeeper will need to be recycled before changes will take effect. HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)
  • Page 331 The default value is OFF. It is only used if Account Validation has been enabled. If this flag is disabled, validation will occur only during file HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 332: Accounting Reports And Status

    Accounting Status window. For either method, the Accounting Status window will display the overall statistics from the last accounting run. 13.2.2.2. Accounting Status Window HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 333: Interpreting The Accounting Report

    13.2.2.3. Interpreting the Accounting Report The default accounting output program for HPSS generates a text file that contains two types of lines. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 334 # Entries with ‘0’ in the SClass field are COS totals. # Other entries apply to individual storage classes. # Realmid AcctId # Realmid AcctId # -------------------------------------------------------------------- 2033 HPSS Management Guide Release 7.3 (Revision 1.0) #Accesses Sclass #Accesses November 2009 #Files Length(COS)

  • Page 335: Accounting Procedures

    If Account Validation is disabled: ● HPSS Management Guide Release 7.3 (Revision 1.0) The user ID to account ID mapping is maintained in the Account Validation table. For each user, this table can store the default account ID of the user and any other accounts for which he is authorized. The site must maintain this table.

  • Page 336: Site Defined Accounting Configuration Files And Procedures

    Account Map. HPSS Management Guide Release 7.3 (Revision 1.0) The site will need to create a local site Account Map to maintain a list of the account IDs for which each user is authorized. This is a locally designed and written table, not supported by HPSS.

  • Page 337: Site Defined Account Apportionment Table

    Modify account. The entries in the Account Map can be modified to correlate the Account Index • to different information, but care should be taken to keep a copy of the corresponding tables for past HPSS accounting runs. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 338: Accounting Intervals And Charges

    Service that keeps two tape copies of each file will use up more tape cartridges than a Class of Service that keeps only a single copy of each file on tape. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 339: Chapter 14. User Interfaces

    HPSS_API_DMAP_WRITE_UPDATES specifies the frequency of cache invalidates that are issued to the DMAPI file system while writing to a file that is mirror in HPSS. The value indicates the number of HPSS Management Guide Release 7.3 (Revision 1.0) Chapter 14. User Interfaces...
  • Page 340 The default value is zero. HPSS_KRB5_KEYTAB_FILE specifies the name of the file containing the security keys necessary for successfully initializing the Client API for Kerberos authentication. The default is auth_keytab:/var/hpss/ HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 341: Ftp/Pftp Daemon Configuration

    A “TCP Wrapper” application may be used for initiating the HPSS PFTP Daemon, to make it more secure, however such a program is not provided by the HPSS project. The file /var/hpss/etc/HPSS.conf provides the options for both an HPSS Parallel FTP Daemon and a HPSS Management Guide Release 7.3 (Revision 1.0) # (AIX only) November 2009...
  • Page 342 # Display a banner prior to the user prompt (before log in.) Very # useful for informing the user that he/she is dealing with the HPSS Management Guide Release 7.3 (Revision 1.0) COM PFTP Daemon). This file should be customized as needed. "Sa", "Wk"...
  • Page 343 # (in which case the file is displayed when the user changes to the # named directory, with '*' wildcarding all directories). # ONLY displays message on FIRST entrance. Directory MUST be full path HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 344: Table 5. Banner Keywords

    24-hour clock. For example, to specify Tuesday between 8:00 am and 4:00 pm: Tu0800-1600 The Wk entry for the <day> clause indicates a week day (Monday-Friday), and Any indicates all HPSS Management Guide Release 7.3 (Revision 1.0) Table 5. Banner Keywords Description Class limit...

  • Page 345: Hpss Vfs Interface Configuration

    HPSS VFS Kernel Module (hpssfs.ko) – The VFS Interface's Linux loadable module consists of • two parts. A plug-in to the bottom of the Linux VFS (Virtual File Switch) abstraction layer and a HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 346: Supported Linux Versions

    For that reason, the extraction process includes both the ‘fs’ (VFS specific code) and ‘clnt’ (HPSS Client API) packages. On the HPSS Core Server machine as ‘root’: % mkdir /tmp/vfs_client % cd /opt/hpss HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 347: Compiling/Building

    % make install 14.3.3.3. Modifying the Kernel Load the kernel module by following these steps: IMPORTANT: If VFS already exists on the machine, un-mount all vfs file systems first! HPSS Management Guide Release 7.3 (Revision 1.0) = on = on November 2009...

  • Page 348: Client Api - Pre-Requisite

    VFS troubleshooting becomes necessary. Create the following directories on the VFS machine: % mkdir /var/hpss/etc HPSS Management Guide Release 7.3 (Revision 1.0) # this ensures that there isn't a pre-existing November 2009...
  • Page 349 60000 Alternately, hand-create the file specifying the Core Server host name. • The library files specified in /var/hpss/etc/auth.conf and authz.conf are also required to authenticate the user. o /opt/hpss/lib/libhpsskrb5auth.so HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 350: Other System Configuration Details

    2 minutes or more will cause HPSS to refuse IO requests. If necessary, update /etc/hosts so that the IP address of the client machine is mapped to the client hostname 127.0.0.1 <X.X.X.X> HPSS Management Guide Release 7.3 (Revision 1.0) localhost.localdomain <fully qualified hostname> <short hostname> November 2009 localhost...

  • Page 351: Mounting Vfs Filesystems

    An example of a /etc/fstab file with three HPSS mount entries is as follows: # This file is edited by fstab-sync - see 'man fstab-sync' for details /dev/VolGroup00/LogVol00 LABEL=/boot none HPSS Management Guide Release 7.3 (Revision 1.0) LOCAL:/ /tmnt /boot /dev/pts November 2009 -o'cos=5'...

  • Page 352: Mount Options

    Seconds to cache file attributes. The shorter this value, the more frequently communication acregtimeo to HPSS is required. Synchronization between separate vfs nodes or mount points may benefit for a shorter cache period with the expense of longer latencies. HPSS Management Guide Release 7.3 (Revision 1.0) /dev/shm /proc /sys swap...
  • Page 353 Use the maximum segment size for the storage class. If not used, the minimum maxsegsz segment size is used. An application can use ioctl() to set this per file once the file is created but BEFORE any data is written. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 354: Un-Mounting An Hpss Filesystem

    • # cat /proc/fs/san Show or update current trace level for a mounted file system. Valid trace levels are 1 to 5 from • least to most. # cat /proc/fs/hpssfs/<group ID>/trace HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 355: Additional Vfs Notes

    Un-mount all VFS file systems first. Then... $ make rpm (newport: rpm is located in 6.2.2.0_2.6.9- 34.ELsmp.i386.rpm) (rpm is located in /usr/src/redhat/RPMS/ppc64/hpssfs- 6.2.1.10_2.6.9-34.EL.ppc64.rpm) (Make sure version no. is correct: hpssfs-6.2.1.10...) HPSS Management Guide Release 7.3 (Revision 1.0) /usr/src/redhat/RPMS/i386/hpssfs- November 2009...

  • Page 356: Chapter 15. Backup And Recovery

    358). Online backups do not interfere with normal HPSS processing. It is equally important to monitor the online backup process and verify it is completing normally. As HPSS operations take place, DB2 writes transaction log entries describing the changes that have been HPSS Management Guide Release 7.3 (Revision 1.0) Backup and Recovery November 2009...

  • Page 357: Overview Of The Db2 Backup Process

    Since HPSS installations require the use of online backups, it is useful to understand the types of backup and restore operations that can be performed with this backup type. Online backups can be described as HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 358: Configuring Db2 For Online Backup

    The script would then be invoked from cron. For details on configuring DB2 for backup, administrators should consult the DB2 Data Recovery Guide as well as the documentation for their backup software. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 359: Overview Of The Db2 Recovery Process

    For details on recovering a DB2 database, see the IBM redbook titled “Data Recovery and High Availability Guide and Reference” for the appropriate version of DB2 installed on your system. This guide will help you decide how best to recover your DB2 database or damaged container.

  • Page 360: Operating System Backup

    Occasionally, a tape or disk volume is damaged and HPSS will experience errors while trying to read data stored on the damaged volume. The following steps must be done to determine whether a volume is actually damaged and, if so, to HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 361 Condition field to RO or EOM. The system administrator can now use the recover utility to recover HPSS data from a secondary copy (see the recover man page). If no secondary copy exists, the recover utility HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 362: Recover Partially Damaged Disk Or Tape Volume

    00336b52 4631 10cf 00 00 00 02 storage level = 1 on VV = VOL00100 path ( Fileset24: /home/bill/file1) ========= Trying to recover bitfile ========= 163001bc-2274-10ef-8c81-02608c2f971f 00336b52 4631 10cf 00 00 00 02 HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 363: Hpss Management Guide November

    = 0 , length = 32768 offset = 32768, length = 32768 offset = 65536, length = 32768 ========= Can't recover bitfile ========= 163001bc-2274-10ef-8c81-02608c2f971f 00336b52 4631 10cf 00 00 00 02 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 364: Cleanup Totally Damaged Disk Or Tape

    This file has NOT been migrated since last update! ========= Cleaning up segments for bitfile ========= == Setting VV condition to DOWN for empty VV LD000100 == 0723ab2c-176b-1047-8c81-02608c2f971f HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 365: Db2 Monitoring

    Before performing any of the suggestions or steps listed in this section, consult the appropriate DB2 Administration Guide: Implementation for the appropriate version of DB2. It would also be wise to verify any significant changes to, or reallocation of, production DB2 resources through your IBM Houston Support Representative.

  • Page 366: Dms Table Spaces

    You should be able to increase the size of a filesystem using the normal operating system facilities for increasing filesystem space. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 367 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 368: Chapter 16. Management Tools

    - Lists the path names of bitfiles that are located on a disk or tape volume. • dumppv_pvl - List the physical volumes managed by the PVL. • HPSS Management Guide Release 7.3 (Revision 1.0) Chapter 16. Management Tools November 2009...

  • Page 369: System Management

    - Create an HPSS UNIX master key. • hpss_unix_keytab – A keytab generation program for the HPSS UNIX native security service. • hpss_unix_passwd – Changes the HPSS UNIX native security service password for an HPSS • user. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 370: User Interfaces

    It works for both disk and tape storage segments. It requires at least two separate searches of the bitfile metadata over a period of time before it will remove orphaned segments. It HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 371 – Sends a command to the Core Server in the selected storage subsystem to dump • its in-memory disk space allocation maps, then displays that information on standard output. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...
  • Page 372 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 373: Appendix A. Glossary Of Terms And Acronyms

    Also, a log record message type used to log information to be used by the HPSS Accounting process. This message type is not currently used. Advanced Interactive Executive. An operating system provided on many IBM machines. A log record message type used to log high-level error conditions.
  • Page 374 Core Server. A UNIX program that runs continuously in the background. A relational database system, a product of IBM Corporation, used by HPSS to store and manage HPSS system metadata. A log record message type used to log lower-level error conditions.
  • Page 375 HPSS Management Guide Release 7.3 (Revision 1.0) Digital Equipment Corporation. The process of extraction, formatting, and outputting HPSS central log records. The process of disabling notification to SSM for a particular attribute change. A human-readable name for an HPSS server.
  • Page 376 HIMF HiPPI HPSS HPSS-only fileset HPSS Management Guide Release 7.3 (Revision 1.0) A 64-bit number that uniquely identifies a fileset. A name that uniquely identifies a fileset. A 32-bit number that uniquely identifies an aggregate. File Transfer Protocol An HPSS server that provides two main services: the ability to schedule the use of HPSS resources referred to as the Gatekeeping Service, and the ability to validate user accounts referred to as the Account Validation Service.
  • Page 377 LANL LARC latency LDAP LLNL LMCP HPSS Management Guide Release 7.3 (Revision 1.0) International Business Machines Corporation Identifier International Electrotechnical Commission Institute of Electrical and Electronics Engineers Internet Engineering Task Force Import/Export An operation in which a cartridge and its associated storage space are made available to the HPSS system.
  • Page 378 An HPSS infrastructure service consisting of a central Log Daemon, one or more Log Clients, and server-specific logging policies. Least Recently Used Location Server Linear Tape-Open. A half-inch open tape technology developed by IBM, HP and Seagate. Mandatory Access Control A programming data structure that represents an HPSS system resource. The resource can be monitored and controlled by operations on the managed object.
  • Page 379 OS/2 PFTP HPSS Management Guide Release 7.3 (Revision 1.0) An operation in which a cartridge is either physically or logically made readable and/or writable on a drive. In the case of tape cartridges, a mount operation is a physical operation. In the case of a fixed disk unit, a mount is a logical operation.
  • Page 380 HPSS Management Guide Release 7.3 (Revision 1.0) An HPSS object managed jointly by the Core Server and the Physical Volume Library that represents the portion of a virtual volume. A virtual volume may be composed of one or more physical volumes, but a physical volume may contain data from no more than one virtual volume.
  • Page 381 SMIT SOID source SSM session HPSS Management Guide Release 7.3 (Revision 1.0) A log record message type used to log some action being performed by an HPSS server on behalf of a client. Reduced Instruction Set Computer/Cycles Removable Media Service...
  • Page 382 HPSS Management Guide Release 7.3 (Revision 1.0) To copy file data from a level in the file’s hierarchy onto the top level in the hierarchy. An HPSS SSM administrative operation that causes a server to begin execution.
  • Page 383 XDSM HPSS Management Guide Release 7.3 (Revision 1.0) The Storage System Management (SSM) server. It communicates with all other HPSS components requiring monitoring or control. It also communicates with the SSM graphical user interface (hpssgui) and command line interface (hpssadm).
  • Page 384 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

  • Page 385: Appendix B. References

    24. IBM Ultrium Device Drivers Programming Reference WB1304-01 Interfacing Guide DAS, Order no. DOC F00 011 26. Installing, Managing, and Using the IBM AIX Parallel I/O File System, SH34-6065-02 27. Parallel and ESCON Channel Tape Attachment/6000 Installation and User's Guide, GA32-0311-02 28.
  • Page 386 1995 IEEE MSS Symposium, courtesy of the IEEE Computer Society Press. 39. D. Fisher, J. Sobolewski, and T. Tyler, “Distributed Metadata Management in the High Perfor- mance Storage System,” from the 1st IEEE Metadata Conference, April 16-18, 1996. HPSS Management Guide Release 7.3 (Revision 1.0) November 2009...

  • Page 387: Hpss Management Guide November

    HPSS development was performed jointly by IBM Worldwide Government Industry, Lawrence Berkeley National Laboratory, Lawrence Livermore National Laboratory, Los Alamos National Laboratory, NASA Langley Research Center, Oak Ridge National Laboratory, and Sandia National Laboratories.
  • Page 388 HPSS Management Guide November 2009 Release 7.3 (Revision 1.0)

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