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NEC Storage Manager Configuration Setting Tool User's Manual

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NEC Storage Manager
Configuration Setting Tool
User's Manual

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  • Page 1 NEC Storage Manager Configuration Setting Tool User's Manual...
  • Page 2 © NEC Corporation 2001-2003 No part of the contents of this book may be reproduced or transmitted in any form without permission of NEC Corporation. The contents of this book may be modified without notice in the future.
  • Page 3 (hereinafter may be referred to as iSM). This manual is described targeting the reader who has the special knowledge about the disk arrays. Refer to disk array’s manual concerning the function of the disk array. Refer to the “NEC Storage Manager Manual Guide” (IS901) for the overview of NEC Storage Manager and the related manuals.

  • Page 4: Table Of Contents

    1.4.2 iSMconf................................I-3 iSMview..................................I-5 iSMrepair ..................................I-5 Operation Authority ..............................I-5 Chapter 2 Storage Overview ............................I-6 NEC Storage Series Disk Array..........................I-6 Disk Array Configuration ............................I-7 Component State Value ............................I-14 Chapter 3 Configuration Setting Procedure........................ I-15 Procedure Overview..............................I-15 3.1.1 Prior Check ..............................I-15 3.1.2...
  • Page 5 Appendix A Notes ................................... 1 Appendix B Methods of Saving Operation Procedures ...................... 2 Method of Saving Operation Procedures in HP-UX and Solaris................2 Method of Saving Operation Procedures in Windows 2000..................3 Appendix C Troubleshooting ..............................4 Index ..................................... 5...

  • Page 7: Part I Overview

    Setting It is one function of iSM and a disk array configuration setting is NEC Storage series. It is used when carrying out a configuration setup of a disk array at the time of initial installation and extension of the disk array.
  • Page 8 Chapter 1 Overview of Disk Array Configuration Setting...

  • Page 9: Setting Commands

    Chapter 1 Overview of Disk Array Configuration Setting The setting command is software that executes various settings necessary for disk array operation, and it consists of batch setting command and individual setting command. iSMautobind is a command mainly used in initial introduction of the disk array, and it configures RANK, LD and Hot-spare necessary for the operation at a time.
  • Page 10 Chapter 1 Overview of Disk Array Configuration Setting Dynamic Capacity Expansion Expansion of RANK Capacity. (Only Windows 2000 and Solaris can be used.) (2) Disk array setting menu In this menu, performs setting for disk array. Items that can be set are as follows. Table 1-2 Disk Array Setting Item Setup/display item Contents...

  • Page 11: Ismview

    Chapter 1 Overview of Disk Array Configuration Setting iSMview executes State Display of disk array, and each resource in disk array. For the iSMview command, refer to the description part about iSMview in the “NEC Storage Manager User’s Manual” in accordance with your OS.

  • Page 12: Chapter 2 Storage Overview

    Chapter 2 Storage Overview This chapter explains the overview of NEC Storage series disk array, which is the object of the iSM management. iSM is software that provides the operation and a variety of information (configuration, status, etc.) of the NEC Storage series disk array.

  • Page 13: Disk Array Configuration

    Chapter 2 Storage Overview (4) NEC Storage 1000 series NEC Storage 1000 series, entry model disk array of NEC Storage series, realizes the little space consuming (One controller and maximum of 15 PDs may be loaded to 3U) and high availability (main components are redundant).
  • Page 14 Chapter 2 Storage Overview Array Group 2 Array Group 1 (up to 2 cabinets) Figure 2-2 Disk Array Composition (NEC Storage 3000 series) Figure 2-3 Disk Array Composition (NEC Storage 2000 series) Disk Enclosure(DE) Disk Array Controller(DAC) Physical Disk(PD) Figure 2-4 Disk Array Composition (NEC Storage 1000 series)
  • Page 15 But assignment of identification number depends on number of component in disk enclosure. NEC Storage 2000 series is also composed of DAC and one or more disk enclosures. (There is no concept of basic cabinet and extended cabinet in NEC Storage 4000 series). It can mount 10 or 15 Physical Disks (PDs) per disk enclosure.
  • Page 16 Chapter 2 Storage Overview <NEC Storage 4000 series> ETHER Port for HD HD Back Board HD HD HD RD Monitoring TEMP Cache Cache Module Module Disk Array Controller (DAC) Panel Battery Battery ETHER Port DD DD DD DD for Monitoring...
  • Page 17 Chapter 2 Storage Overview <NEC Storage 2000 series> FC_AL Port FC_AL Port HD (Host Director) HD (Host Director) Disk Array Cache Module Cache Module Controller (DAC) Battery Battery TEMP Ether Port for Power Supply Monitoring Adapter Card Adapter Card Disk Enclosure...
  • Page 18 Chapter 2 Storage Overview <Components> Disk array components are shown below. Table 2-1 Component list (1/2) Component (abbreviation) Configuration devices (abbreviation) Description Disk Array Controller Host Director (HD) Host interface control and cache module control device. 1 or 2 ports are mounted in (DAC) single director.
  • Page 19 In disk array, RAID is built from virtual media that bind two or more physical disks (PDs). These virtual media are called “RANK” in the NEC Storage series disk array, and disk that RANK is sub divided to easy-to-use size, is called logical disk (LD). On this account, one LD can store data to two or more PDs that configure RANK.
  • Page 20 Chapter 2 Storage Overview As follows, iSM defines the status in disk array component mentioned in the previous section. Level definition of status value corresponds to the level that output to event log. If transition from other status is detected, the status is output to system according to this status level. Table 2-2 Status Value List Status value Level...

  • Page 21: Chapter 3 Configuration Setting Procedure

    (1) Check that the disk array to set is the object of monitoring by the iSM. If it is not the object of monitoring, set the disk array to the object of monitoring. About the setting method and the check method, refer to the description part about the environment setting in the “NEC Storage Manager User’s Manual” in accordance with your OS.

  • Page 22: Disk Array Settings

    Change the configuration of the disk array after reading the manual of the disk array carefully and understanding a function enough. For setting contents, check that the settings are properly set up, by state displays of setting commands (II 1.2.6), or by configuration display command (“NEC Storage Manager User’s Manual”) I-17...

  • Page 23: Chapter 3 Configuration Setting Procedure

    Chapter 3 Configuration Setting Procedure The system configurations of a server and a disk array are roughly divided into following three types. Business Server Disk Array iSM Management Server Figure 3-1 Figure 3-2 Figure 3-3 When a Business Server and a When the Business Server and When the Business Servers and Disk Array are One-to-One...

  • Page 24: When The Business Server And Disk Arrays Are One-To-Many Connection

    Chapter 3 Configuration Setting Procedure Install the iSM in the Business Server. The disk arrays connected with the Business Server become the object of monitoring. Stop the monitoring of the disk arrays that are set to be monitored by the iSM. * If plural disk arrays are set up at the same time, stop the monitoring to the disk arrays to be set.

  • Page 26: Chapter 4 Setting Commands

    Before starting the program, confirm that the LD is not set as one of paired disks. For the checking and releasing method, refer to 3.3.1 “Pair Setting/Unpair” in the “NEC Storage Manager Data Replication User’s Manual (Function Guide)” in accordance with your OS.
  • Page 27 In the case shown above, terminate the program and check whether the iSM Server monitors the disk array, check environmental definition, and check connection with disk array. Refer to the description part about operation in the “NEC Storage Manager User’s Manual” in accordance with your OS. (3) Stop the Program Select [Q.

  • Page 28: Ismautobind Execution

    Chapter 4 Setting Commands iSMautobind is executed in the following procedures. (1) Check the Configuration Release When RANK, LD, and Hot Spare are bound in the selected PDG, the following message appears to confirm whether to release the configuration. * Once the configuration is released, the former data cannot be restored. iSM11250: Cannot execute Autobind, because LD has already been bound.
  • Page 29 Chapter 4 Setting Commands bound. When you do not bind the Hot Spare, type “0”. * Hot Spares are assigned to the PD having the greatest number in descending order from the DE having the greatest number. Up to two Hot Spares can be assigned to each DE. (When there are two DEs and 15 PDs for each DE, specify them in the order of DE#1/PD#1e DE#0/PD0e DE#1/PD#1d...
  • Page 30 Chapter 4 Setting Commands When the number of bound RANKs is specified with 0, the message below is displayed; the screen returns to step (3) “Set the Number of Hot Spares”. iSM11406:Cannot bind RANK by specified parameter. (6) LD Bind In this step, select which of the number of LDs or the LD capacity should have a priority for LD Bind.
  • Page 31 Chapter 4 Setting Commands (7) Check the LD Bind The number of LD, RAID Type, LD capacity, the number of unused RANK, and unused capacity to be created by the binding are displayed. When binding LDs for unused capacity, execute iSMconf. RAID Type is the same as the RANK format specified by (4) “RANK Bind”.
  • Page 32 Chapter 4 Setting Commands (9) Confirming Execution In this step, displays the typed setting, and select whether you execute this command is executed. Number of RANK Number of Spare Unused PD Number of LD RAID Type : High Reliability:RAID1(1+1) LD Capacity : 17024MB Unused RANK Unused Capacity...
  • Page 33 Chapter 4 Setting Commands LD Bind Status iSM11330: Failed to get Disk Array Subsystem information. 2] LD#001, RANK#00 xxxxxx autobind> continue? (y:continue | n:end) = When continuing setting, type “y”; otherwise, type “n”. If “n” is typed, processing stops, and the screen returns to step (11) Check the Continuation. - [ 2/ 2] LD#001,RANK#00 has the following meaning: Numerator: Number of execution times repeated until an error occurs...
  • Page 34 Chapter 4 Setting Commands (10) Save the Error Contents When errors are ignored to execute commands, the number of errors is displayed after all commands are executed. In this case, confirm whether the error contents are to be stored. Total Status iSM11330: Failed to get Disk Array Subsystem information.

  • Page 35: Ismconf

    Before starting the program, confirm that the LD is not set as one of paired disks. For details on how to confirm and release pair setting, refer to 3.3.1 “Pair Setting/Unpair” in the “NEC Storage Manager Data Replication User’s Manual (Function Guide)” in accordance with your OS.

  • Page 36: Operation Menu

    Disk Array Subsystem (1 | Q) = - The disk arrays names and disk array serial numbers are displayed only on NEC Storage 1000/2000 among disk arrays monitored by iSM. When the serial number is displayed as “???”, an error may occur in communication with the Disk Array.

  • Page 37: Setting Command Basic Operations

    Chapter 4 Setting Commands - The menu indicates selected disk array name and serial number. - No.0 to 9 indicate the menu for PDs. - No.20 to 27 indicate the menu for disk arrays. - Type the number of menu you want to execute. - If you type the number other than shown in ( ), [Illegal Number!!] is displayed.
  • Page 38 Chapter 4 Setting Commands (2) Confirming Execution of Setting Command After all the parameters above are specified, the system displays the message below to ask the operator if the setup command may be executed. conf:rankbind> Command execute? (y | n) = y - Key in “y”...
  • Page 39 Chapter 4 Setting Commands <Abnormal end> When the command ends abnormally, the following message appears. iSM11330: Failed to get Disk Array Subsystem information. xxxxxx The error message of Table 1-2 below is displayed in “xxxxxx”. Table 1-2 Error Message Type Error Message Explanation of Contents General...

  • Page 40: Physical Disk Settings

    Chapter 4 Setting Commands (1) RANK Bind Select “1. RANK Bind” from the menu, input parameter as follows and bind RANK according to the execution directions. < When Standard is selected.> RANK Bind conf:rankbind> Parameter Type : Standard or Custom (s | c) [s] = s conf:rankbind>...
  • Page 41 Chapter 4 Setting Commands - PD List (only for Custom) Input PDNs which are set in “Number of PDs”. To select two or more commands, refer to Part II 4.2.3 (1) “Selecting Command” of this manual. * Check the disks configuration by “0. View Current Settings” before binding the RANK. * Do not input xfh when PDN is input in PD List(only for Custom).
  • Page 42 Chapter 4 Setting Commands - Rebuilding Time Specify the maximum time for rebuilding the RANK. Rebuilding time can be specified in the range 0 to 24 hours. If 0 is specified, the RANK is rebuilt most quickly. However, specify a suitable value for Rebuilding Time in consideration of the host I/O load.
  • Page 43 Chapter 4 Setting Commands - RANK Start Block Address (only for Custom) Selected range is calculated by the inputted RANK No. Within this range, input start block address of the RANK area where an LD is to be built. When the input RANK start block address cannot be divided by capacity unit, a value is displayed being divided into the capacity unit which is the closest to the input value, as shown below.
  • Page 44 LD is not set as one of paired disks. For the method to check and release the pair setting, refer to 3.3.1 “Pair Setting/Unpair” in the “NEC Storage Manager Data Replication User’s Manual (Function Guide)” in accordance with your OS.
  • Page 45 Chapter 4 Setting Commands (7) Hot Spare Bind Select “ 7. Hot Spare Bind” from the menu and input parameter as follows to bind Hot spare. <When Standard is selected.> Hot Spare Bind conf:sparebind> Parameter Type : Standard or Custom (s | c) [s] = s conf:sparebind>...
  • Page 46 Chapter 4 Setting Commands * Hot Spare disk at work cannot be unbound. * Check the physical disk configuration by “0. View Current Settings” before unbinding Hot Spare. (9) RANK Capacity Expansion Select “9. Dynamic Capacity Expansion” on the menu, and type the parameters as follows: * Only Windows 2000 and Solaris can use Expanding RANK capacity.
  • Page 47 Chapter 4 Setting Commands Table 1-3 Parameter List of PD Setting Command Hex/ Default Command Parameter Specified Range Remarks Custom Standard Value PDG No. RAID Type 5,1,10 Number of PD(RAID5) 3-15 Number of PD(RAID1):Display Omitted RANK Bind Number of PD(RAID0) 1,3,5,10,15 Number of PD(RAID10) 1,3,5,10,12,14...

  • Page 48: Disk Array Settings

    Chapter 4 Setting Commands (1) Cross Call Setting Select “21. Cross Call” from the menu and input parameters as follows to perform setting for Cross Call. Cross Call conf:crosscall> Cross Call Mode (0:off | 1:on) [0] = Each parameter is described below. - Cross Call Mode Input ON/OFF of Cross Call Function.
  • Page 49 Chapter 4 Setting Commands Each parameter is described below. - Auto Repair Mode Input ON/OFF to start Auto Repair. “0”: Does not start repair operation automatically. “1”: Starts repair operation automatically. (4) Format Time Setting Select “24. LD Format Time” from the menu and input parameters as follows to set the Format Time. LD Format Time conf:formattime>...
  • Page 50 Select “26. Subsystem Time” from the menu and input parameters as follows to set the time in disk array. However, setting is not allowed under an automatic setting system. Refer to the “NEC Storage Manager User’s Manual” on OS concerned for setting change between automatic and manual.
  • Page 51 Chapter 4 Setting Commands Each parameter is described below. - Save Log File Name Input a file name into which disk array internal logs are to be saved. * The “disk array internal logs” refer to disk array event logs/error logs used for analysis of Firmware. For details, refer to manuals for the disk array.

  • Page 52: State Display

    Chapter 4 Setting Commands (1) Disk Setting Display If “0. View Current Settings” is selected from the menu, the following submenu will be displayed. View Current Settings 1. LD Information 2. LD No./Name Information 3. RANK Information 4. RANK Map Information 5.
  • Page 53 Chapter 4 Setting Commands LD Information Display Information on LD bound in specified disk array is displayed below. --- LD Information --- LDN(h) Capacity RaidType Current Default FmtTime State 0000 8.3GB RAID5 00/01 ready 0001 8.3GB RAID5 00/01 ready 0002 8.3GB RAID5 00/01 ready...
  • Page 54 * For details on how to OS Type and LD Name setting, refer to the description part of setting function in the “NEC Storage Manager User’s Manual” in accordance with your OS. (iii) RANK Information Display Information on RANK bound in specified disk array is displayed below.
  • Page 55 Chapter 4 Setting Commands Each item is described below. RANK: RANK number Capacity: RANK capacity RaidType: RAID type of RANK RebuildTime: RANK Rebuilding Time State: RANK Operating status is displayed as one of the followings. ready: All RANKs configuring the PDs are in normal status. attn.(reduce): Displayed when fault PD has become separated (reduced).
  • Page 56 Chapter 4 Setting Commands Correspondence of RANK and PD Display Correspondence of RANK and PD is displayed. -- RANK-PD Information -- RANK(h) PDG(h) PDN(h) 00-00 00,01,02,03 00-01 00,01,02,03 Each item is described below. RANK: RANK number PDG: PDG number assigned for individual RANK and PD PDN: The RANK configuring PD number * When the RANK specified by “Select RANK/PD Information”...
  • Page 57 When “20. View Current Settings” is selected from the menu, the information and the settings of functions of disk array are displayed as follows. --- Disk Array Subsystem Information --- Disk Array Name = iS2000 Vendor ID = NEC Product ID = S2100 Disk Array Product Revision = W249 Serial Number...
  • Page 58 Chapter 4 Setting Commands (iii) Expand LUN ON/OFF of mounting situation of each port and Expand LUN function is displayed. Port No.: HD number and Port number are displayed. Exist: The mounting situation of port is displayed by “yes” or “no”. Expand LUN: ON/OFF of Expand LUN function is displayed.
  • Page 59 Chapter 4 Setting Commands (3) Screen Setting For setting commands in disk array, an interactive menu input method is employed. Each command executes its function for a single disk array. In order to control plural disk arrays simultaneously, the command should be executed respectively for the individual disk arrays.

  • Page 60: Chapter 5 Ismview

    Chapter 5 iSMview Chapter 5 iSMview iSMview displays the settings of disk arrays, status of configuration resources, LD Bind, and LD State. For the iSMview command, refer to the “NEC Storage Manager User’s Manual” in accordance with your OS. II-36...

  • Page 61: Chapter 6 Ismrepair

    Chapter 6 iSMrepair Chapter 6 iSMrepair In the iSMrepair, reduced RANK in disk array can be instructed to start repair by specifying PD. * Instruction commands for operation are available only when Auto Repair Mode in disk array is OFF. When Auto Repair Mode is ON, repair will start automatically.

  • Page 62: Each Option Description

    Chapter 6 iSMrepair Function of instruction commands for iSMrepair and options are as follows: -r option: Repair start will be instructed to the specified disk that is normally restored from Hot-spare disk or reduction. For details, refer to (1) “Instruction of start for repair to normal disk”. -s option: Repair start will be instructed to Hot-spare disk that is automatically assigned by specifying reduced disk.

  • Page 63: Appendix A Notes

    Appendix A Notes Appendix A Notes Notes on this program are as follows: This program cannot run unless the iSM Server is normally running. Only the disk arrays that are monitored by the iSM Server can be operated. LDs configured by pair setting of replication function cannot be unbound. While disk arrays are operating, it may take longer time to execute this program.

  • Page 64: Appendix B Methods Of Saving Operation Procedures

    Appendix B Methods of Saving Operation Procedures Appendix B Methods of Saving Operation Procedures To save operation procedures, script command in UNIX is used. By using this command, all the information output to user terminal can be stored into specified file. Use the command in accordance with the following procedures: Execute script command.

  • Page 65: Method Of Saving Operation Procedures In Windows 2000

    Appendix B Methods of Saving Operation Procedures Select [Properties] by right clicking the title bar of the Command Prompt window. Then select [Layout] tag and change [Height] in [Screen Buffer Size] to necessary size. If selected size is small, recording range becomes small, so specify enough size.

  • Page 66: Appendix C Troubleshooting

    Appendix C Troubleshooting Appendix C Troubleshooting The following summarizes troubleshooting on specifying configuration settings. Symptom Cause Action Disk array is not On Windows 2000 or Solaris with Terminate an OS and turn off the recognized. FC-connection monitoring bus, power of disk array. Activating restarting OS with all LD the disk array first, and then cancelled for configuration...

  • Page 67: Chapter 5 Ismview

    .........I-4, II-20, II-24, II-33 LX................II-30 Custom.......II-16, II-17, II-18, II-19, II-21 CX................II-30 NEC Storage 1000........I-7, I-8, I-9, I-11 NEC Storage 2000........I-6, I-8, I-9, I-11 DAC ................I-12 NEC Storage 3000......... I-6, I-8, I-10 disk array time ............II-26 NEC Storage 4000........
  • Page 68 Index Standard........ I-16, II-5, II-16, II-18, II-21 State............II-29, II-31, II-32 system capacity ..........II-6, II-19 RAID................I-13 RaidType............II-29, II-31 RANK bind ...... I-3, I-16, II-5, II-7, II-13, II-16 RANK capacity expansion ........II-22 RANK Start Block Address........II-19 Unused Capacity ............II-7 RANK unbind .............I-3, II-17 ready ............II-29, II-31, II-32 Rebuilding Time ....I-3, II-16, II-17, II-18, II-31...

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