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Legato Networker Recovery Manual

Disaster recovery guide
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Legato NetWorker
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Legato NetWorker
Module for EMC CLARiiON
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for Oracle
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Administrator's Guide
Release 7.0
Release 1.0
Disaster Recovery Guide

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  • Page 1 Legato NetWorker ® ® Legato NetWorker Module for EMC CLARiiON ® for Oracle ® Administrator’s Guide Release 7.0 Release 1.0 Disaster Recovery Guide...
  • Page 2 March 2003 22-1949-06 Legato and the Legato logo are registered trademarks, and Legato NetWorker, NetWorker, LM:, Celestra, GEMS, SmartMedia, Co-StandbyServer, RepliStor, SnapShotServer, QuikStartz, SAN Academy, AlphaStor, ClientPak, Xtender, XtenderSolutions, DiskXtender, ApplicationXtender, ArchiveXtender, and EmailXtender are trademarks or registered trademarks of Legato Systems, Inc.
  • Page 3 Legato Systems, Inc. End-User License Agreement THIS PRODUCT CONTAINS CERTAIN COMPUTER PROGRAMS AND OTHER PROPRIETARY MATERIAL, THE USE OF WHICH IS SUBJECT TO THIS END-USER LICENSE AGREEMENT (THE “AGREEMENT”). DO NOT PROCEED WITH THE INSTALLATION OF THIS PRODUCT UNTIL YOU (LATER DEFINED AS LICENSEE) HAVE READ THIS AGREEMENT AND AGREE TO BE BOUND BY AND BECOME A PARTY TO THIS AGREEMENT.
  • Page 4 5. LIMITED WARRANTY 5.1 Media and Documentation. Legato warrants that if the media or documentation are damaged or physically defective at the time of delivery of the first copy of the Software to Licensee and if defective or damaged product is returned to Legato (postage prepaid) within thirty (30) days thereafter, then Legato will provide Licensee with replacements at no cost.

  • Page 5: Table Of Contents

    Disaster Recovery Procedures ... 26 Replacing a Hard Drive ... 27 Prerequisites ... 27 Replacing the Hard Drive ... 27 Completing the Recovery Process... 28 Installing and Configuring the UNIX Operating System... 28 Legato NetWorker, Release 7.0 Disaster Recovery Guide Contents...
  • Page 6 How to Recover a NetWorker Client... 43 Task 1: Install NetWorker Client... 43 Task 2: Recover the Application and User Data ... 44 Task 3: Perform a Test Backup and Recovery ... 45 Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 7 How to Recover a Windows 2000 NetWorker Server ... 67 Task 1: Install the NetWorker Server Software ... 67 Task 2: Configure the NetWorker Server ... 68 Task 3: Locate the NetWorker Server Bootstrap Save Set ID... 70 Legato NetWorker, Release 7.0 Disaster Recovery Guide Contents...
  • Page 8 Recovering the NetWare Operating System ... 91 Prerequisites ... 91 How to Recover the NetWare Operating System ... 92 Task 1: Install the Operating System ... 92 Task 2: Configure the Operating System ... 93 Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 9 Task 2: Reinstall Windows NT 4.0 and MSCS on Node_B... 112 Task 3: Reinstall the NetWorker Software ... 113 Task 4: Recover the Data on Node_B ... 113 Recovering a Cluster Shared Disk ... 113 Legato NetWorker, Release 7.0 Disaster Recovery Guide Contents...
  • Page 10 How to Recover a Failed Quorum Disk ... 128 Recovering One Cluster Node ... 129 How to Recover One Cluster Node ... 129 Recovering Multiple Cluster Nodes... 132 How to Recover Multiple Cluster Nodes ... 132 Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 11 Task 1: Replace the Damaged Hardware ... 137 Task 2: Install the Software ... 137 Task 3: Recover the Data... 138 Chapter 9: HP TruCluster Disaster Recovery ... 139 Prerequisites... 139 Record Information... 139 Back Up the Cluster ... 140 Restoring One or More Nodes in a Cluster ...
  • Page 12 Task 2: Restore the Cluster Database ... 154 Task 3: Start the Cluster ... 155 Task 4: Restore the Data ... 156 Chapter 11: Legato AAM for AIX, HP-UX, and Linux Disaster Recovery...157 Recovering a Single Cluster Node ... 157 How to Recover a Single Cluster Node ...
  • Page 13 Task 1: Install the Software ... 166 Task 2: Restore the Cluster Database ... 166 Task 3: Start the Cluster ... 167 Task 4: Restore the Data... 167 Glossary ... 169 Index ... 185 Legato NetWorker, Release 7.0 Disaster Recovery Guide Contents...
  • Page 14 Contents Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 15: Preface

    This guide contains information on how to prepare for a disaster before one strikes and how to recover from a disaster. Using the Legato NetWorker disaster recovery program. The next step is deciding how to recover data after a disaster.

  • Page 16: Conventions

    Displayed messages are also written to /nsr/logs/daemon.log. nwadmin -s server_name media waiting: recover waiting for 8mm 5GB tape volume name nsr_shutdown -a Volume>Change Mode>Appendable Important: Use the no_verify option with extreme caution. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 17: Information And Services

    Legato Technical Support. • Customers without an active support agreement can contact Support Sales and Renewal to purchase annual Software Update Subscriptions, or Legato Technical Support services for per-update/per-incident support. Legato NetWorker, Release 7.0 Disaster Recovery Guide Company & Technical Binary...

  • Page 18: Licensing And Registration

    Legato web site at www.legato.com, navigate to the documentation page, and click on the link to the survey. Contact http://license.legato.com (650) 812 6000 (option 3, option 2) +31 23 554 8881 (650) 745-1477 +31 23 554 8808 licensing@legato.com licensingemea@legato.com Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 19: Chapter 1: Introduction

    The Legato NetWorker Disaster Recovery Guide, Release 7.0 provides step-by-step instructions for recovering from a disaster on supported NetWorker 7.x client and server platforms. This chapter includes the following sections: • “What Is a Disaster?” on page 19 • “Disaster Recovery Guide Overview” on page 20...

  • Page 20: Disaster Recovery Guide Overview

    “Chapter 9: HP TruCluster Disaster Recovery” on page 139 • “Chapter 10: HP-UX Cluster Disaster Recovery” on page 153 • “Chapter 11: Legato AAM for AIX, HP-UX, and Linux Disaster Recovery” on page 157 • “Chapter 12: HACMP for AIX Disaster Recovery” on page 165 Legato NetWorker, Release 7.0...

  • Page 21: Chapter 2: Preparing For A Disaster

    The bootstrap information can be printed from the savegrp.log file, which is located in the nsr directory. For instructions on how to configure the NetWorker software to send bootstrap information directly to a printer or to a specified e-mail address, refer to the appropriate Administrator’s Guide. If the bootstrap is backed up to a pool other than the preconfigured pools, save the name of the pool along with the bootstrap.

  • Page 22: Gathering The Key Information

    To obtain hardware information for the following operating systems: • NetWare, see • UNIX, see • Windows, see “Obtain the Hard Drive Information” on page 90 “Prerequisites” on page 27 “Replacing a Hard Drive” on page 52 Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 23: Software Information

    Table 1. Operating System Information (Part 1 of 2) Platform UNIX Windows Legato NetWorker, Release 7.0 Disaster Recovery Guide Recovery/Repair Recovering the UNIX operating system Recovering a UNIX NetWorker...
  • Page 24 66 “Recovering a NetWorker Client or Storage Node” on page 82 “Recovery of DHCP and WINS Databases” on page “Recovering the NetWare Operating System” on page “Recovering a NetWare NetWorker Server” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 25: Chapter 3: Unix Disaster Recovery

    “Installing and Configuring the UNIX Operating System” on page 28 • “Recovering a NetWorker Server” on page 32 • “Recovering a NetWorker Storage Node” on page 40 • “Recovering a NetWorker Client” on page 43 Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 26: Disaster Recovery Procedures

    “Recovering a NetWorker Server” on page 32 “Recovering a NetWorker Storage Node” on page 40 “Recovering a NetWorker Client” on page 43 Refer to the appropriate Administrator’s Guide Refer to the appropriate Legato Celestra Administrator’s Guide ® Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 27: Replacing A Hard Drive

    Important: To ensure that you can recover all of the drive’s data, install a new drive that is the same size or larger than the original drive. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery...

  • Page 28: Completing The Recovery Process

    – – – “Recovering a NetWorker Server” on page “Recovering a NetWorker Storage Node” on page “Recovering a NetWorker Client” on page Adapter type IP address Default gateway Subnet mask DNS server “Installing Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 29: How To Install And Configure The Unix Operating System

    “Task 3: Configure the Devices and Test the Operating System” on page 31 Important: Do not install the operating system from a UNIX X-Windows session. Instead, recover the operating system in single-user mode from the system console. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery...

  • Page 30: Task 1: Install The Operating System

    ID, you must reregister the NetWorker software. For information on registering the NetWorker software, refer to the appropriate Legato NetWorker Installation Guide. 2. If you are recovering the operating system to a different computer, assign the same hostname to the new computer.

  • Page 31: Task 3: Configure The Devices And Test The Operating System

    To configure the devices and test the operating system: 1. Configure any devices the NetWorker software requires, for example SCSI pass-through devices for autochangers. For information about configuring devices, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. 2. Test that the: •...

  • Page 32: Completing The Recovery Process

    NetWorker directory to a user directory is /nsr to /usr/nsr. How to Recover a NetWorker Server This section describes how to recover the NetWorker server back to the original computer. “Installing and Configuring the UNIX Operating Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 33: Task 1: Install The Networker Server Software

    When you install the NetWorker server software, the NetWorker client is also installed. For installation instructions, refer to the appropriate Legato NetWorker Installation Guide. Note: If you want to upgrade the NetWorker server, first recover the server to its original state, then perform the upgrade.

  • Page 34: Task 2: Configure Networker Device Resources

    If the autochanger resource does not exist, create it using the jbconfig command. For information about using the jbconfig command, refer to the Legato NetWorker Administrator’s Guide. Reset the autochanger using the nsrjb -vHE command. This command resets the autochanger, ejects backup volumes, reinitializes the element status, and checks each slot for a volume.
  • Page 35 -B command on preceding media to locate the save set ID of the most recent bootstrap. 5. Record both the bootstrap save set ID and the volume label from the output. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery...

  • Page 36: Task 4: Recover The Networker Server Bootstrap

    5. When the following message appears, enter the first record number to begin the recovery. If unknown, press [Enter]. Enter starting record number (if known) [0]: 0 6. When the following message appears, follow the prompt: Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 37: Task 5: Rename The Networker Server Configuration Files

    3. Rename the recovered /nsr/res.R directory to /nsr/res: mv res.R res 4. Restart the NetWorker server by first entering the nsrexecd command, then entering the nsrd command, for example: nsrexecd nsrd Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery...

  • Page 38: Task 6: Recover All Client File Indexes

    The NetWorker server requests the original volume mars.1. Because this volume is not available, delete the mars.1 volume from the media database using the following command: nsrmm -d mars.1 c. Enter the nsrck -L7 command: nsrck -L7 client_name Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 39: Task 7: Recover The Application And User Data

    This option is set through the nsradmin command. For more information about setting the disable directed recover option on the NetWorker client, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. Task 8: Perform a Test Backup and Recovery To test the server recovery process: 1.

  • Page 40: Recovering A Networker Storage Node

    “Task 1: Install the NetWorker Storage Node” on page 41 • “Task 2: Recover the Application and User Data” on page 41 • “Task 3: Perform a Test Backup and Recovery” on page 42 “Recovering a NetWorker “Installing and Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 41: Task 1: Install The Networker Storage Node

    2. Start the nwrecover program on the storage node computer. 3. Mark all of the directories and files that you want to recover. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery...

  • Page 42: Task 3: Perform A Test Backup And Recovery

    This option is set through the nsradmin command. For more information about setting the disable directed recover option on the NetWorker client, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. Task 3: Perform a Test Backup and Recovery To test the NetWorker storage node backup and recovery process: 1.

  • Page 43: Recovering A Networker Client

    1. Install the same version of the NetWorker client into its original location. Note: If you want to upgrade the client software, first recover the client to its original state, and then perform the upgrade. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 3: UNIX Disaster Recovery “Installing and...

  • Page 44: Task 2: Recover The Application And User Data

    Overwrite Existing File option when the Naming Conflict dialog box appears during the recovery process. To enable automatic overwriting of files with the same name, select the Suppress Further Prompting option in the Naming Conflict dialog box. 6. Select Start. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 45: Task 3: Perform A Test Backup And Recovery

    This option is set through the nsradmin command. For more information about setting the disable directed recover option on the NetWorker client, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. Task 3: Perform a Test Backup and Recovery To test the NetWorker client backup and recovery process: 1.
  • Page 46 Prerequisites Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 47: Chapter 4: Windows Disaster Recovery

    Note: Although a Microsoft Removable Storage library can be an autochanger or a stand-alone drive, the NetWorker software provides optional Removable Storage support for autochangers only. For more information, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. This chapter includes the following sections: •...

  • Page 48: Disaster Recovery Summary Procedures

    Storage snap-in to inventory the autochanger. b. Use the NetWorker Administrator program to create a Device resource for each drive in the autochanger. c. Use the Removable Storage MMC snap-in to mount the tape that contains the bootstrap. Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 49 Autochanger Operations dialog box. Once the reset is complete, click Inventory. 10. Recover the client file indexes by running the nsrck -L7 command from the command prompt. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery “Partial Recovery of a NetWorker Storage Node” on page...

  • Page 50: Networker Client Or Storage Node Recovery Summary Procedure

    “Performing Windows ASR Recovery” on page you use the ASR recovery method, you do not need to perform any of the remaining steps in this summary procedure. “Replacing a 53. If Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 51: Disaster Recovery Of Multiple Computers

    NetWorker server. For more information, see “Recovering a NetWorker Client or Storage Node” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery “Recovering a Windows Installation”...

  • Page 52: Disaster Recovery Of Clustered Computers

    Note: Although it will not affect NetWorker operation, you may also want to note any use of mirroring, RAID/striping, compression, or volume sets. Install, partition, and format the new hard drive. For instructions, refer to the hard drive manufacturer’s documentation and the appropriate Microsoft documentation. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 53: Performing Windows Asr Recovery

    Professional operating systems. For more information about NetWorker software support for ASR, including procedures for performing ASR backups and creating an ASR disk, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Important: The ASR recovery method is supported only for NetWorker clients on Windows .NET and XP Professional platforms.

  • Page 54: Asr Recovery Requirements

    When prompted, press [F2] to display the ASR Recovery menu. Follow the instructions on the screen. “Recovering a Windows Installation” on 60. Refer to the OEM documentation as necessary. “Recovering a NetWorker Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 55: Task 2: Restore Components That Require Special Handling

    SYSTEM FILES:\ Note: For more information about the Pause During Recovery option, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Task 2: Restore Components that Require Special Handling Important: Due to limitations in Microsoft ASR functionality, the following system state components can not be correctly restored during ASR recovery: –...

  • Page 56: Task 3: Verify The Networker Client Recovery

    Remote Exec and NetWorker Power Monitor services have started. Note: You can disable the NetWorker Power Monitor service if it is not needed. For more information, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. 2. Use the Windows Event Viewer to examine the event logs for errors. In particular, check for: •...

  • Page 57: Repairing A Windows Nt 4.0 Operating System Installation

    • The Client resource for the computer you are recovering includes in its Remote Access List the NetWorker server you will use for the recovery. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery “Creating an ERD from the REPAIRDISK...

  • Page 58: How To Use The Networker User Program To Create An Erd

    Administrator list the account you will use to recover the REPAIRDISK save set. For details about meeting these requirements, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. How to Use the NetWorker User Program to Create an ERD To create an ERD using the NetWorker User program: 1.

  • Page 59: How To Use The Erd To Repair The Windows Nt 4.0 Installation

    5. When prompted, insert Windows NT 4.0 Setup Disk 3 into the A: drive and press [Enter]. 6. Insert the ERD into the A: drive and press [Enter]. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 60: Recovering A Windows Installation

    Verify that the network protocols are working properly by running ping using the NetWorker server’s hostname. Verify that the name-to-address resolution is working properly by running nslookup using the NetWorker server’s fully qualified domain name. “Performing Windows ASR Recovery” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 61: How To Recover The Windows Operating System

    Assign the same IP address to the new computer that was used for the original computer; otherwise the NetWorker server will assign the computer a new host ID. If the new computer does not have the same IP Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 62: Task 1: Install The Windows Operating System

    NetWorker software. For information on registering NetWorker software, refer to the Legato NetWorker Installation Guide, Windows Version. Task 1: Install the Windows Operating System Important: If you want to upgrade Windows during the recovery, first recover the Windows version that was installed immediately prior to the disaster, then upgrade after you have completed the recovery.
  • Page 63 In the Microsoft TCP/IP Properties dialog box, set the TCP/IP properties as they were prior to the disaster, with the same IP address, subnet mask, default gateway, and DNS server. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...
  • Page 64 Start the Control Panel System tool. b. In the System Properties dialog box, select the Performance Tab. c. On the Performance tab, click Change. d. In the Virtual Memory dialog box, set the virtual memory options. Click OK. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 65: Task 2: Configure The Devices And Test The Operating System

    The NetWorker software supports optional use of Removable Storage for autochangers only. Ensure that Removable Storage is disabled for all stand-alone drives. For more information about Removable Storage, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. 3. Verify the following: •...

  • Page 66: Recovering A Networker Server

    Windows 2000 host computer. Important: Before you begin a NetWorker server recovery, you should understand the information about SYSTEM save sets in the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Note: For Windows .NET systems, use the following procedure only as a last resort for recovering a NetWorker server.

  • Page 67: How To Recover A Windows 2000 Networker Server

    1. Install to its original path location the release of the NetWorker server software that was in use prior to the disaster. For instructions, refer to the Legato NetWorker Installation Guide, Microsoft Windows Version. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 68: Task 2: Configure The Networker Server

    2. Create and configure the NetWorker server’s Device resources. Do not mount or relabel any volumes in the devices. For more information, refer to the Legato NetWorker Installation Guide, Microsoft Windows Version. • If the NetWorker installation kit is available on a shared drive, you can install it over the network.
  • Page 69 If the device the NetWorker server is to use is connected to a remote storage node, the storage node device needs to be configured. For details, refer to the Legato NetWorker Installation Guide, Microsoft Windows Version. •...

  • Page 70: Task 3: Locate The Networker Server Bootstrap Save Set Id

    NetWorker software sends a copy of the bootstrap information to the default printer. You can also configure the NetWorker server to e-mail “Task 3: Locate the NetWorker Server Bootstrap Save Set ID”...
  • Page 71 -B command on the volumes from the next most recent scheduled backup to locate the save set ID of the next most recent bootstrap. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 72: Task 4: Recover The Networker Server Bootstrap

    # is the slot where the first volume is located – device_name is the pathname for the first drive a. Enter [Ctrl]+[c] to exit mmrecov. b. Delete the records of the original volumes by running the following command: step Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 73 \\.\Tape0. When you have done this, press <RETURN>: 9. Once the appropriate volume is loaded, the following message appears: Scanning \\.\Tape0 for save set 20076; this may take a while... Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 74: Task 5: Rename The Resource Configuration Files

    2. To reset the autochanger, eject volumes, reinitialize the element status, and check each slot for a volume, run the following command: nsrjb -vHE NetWorker Backup and Recover Server NetWorker Remote Exec Service “Task 7: Recover the NetWorker Server’s Client File Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 75: How To Reset And Inventory An Autochanger With Removable Storage Enabled

    4) Install an SJI Jukebox. 5) Install an STL Silo. 6) Install a Microsoft Removable Storage Jukebox. What kind of Jukebox are you installing? [1] 6 Installing a Removable Storage Jukebox. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 76: Task 7: Recover The Networker Server's Client File Indexes

    NetWorker server bootstrap is recovered. You can also recover complete save sets. You cannot, however, browse a client’s save sets until you recover the client file index. 1) scsidev@2.5.1: HP C1557A 2) scsidev@2.6.1: HP C1557A Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 77 Recover the client file indexes by running one of the following commands from the command prompt: • For all clients: nsrck -L7 • For a specific client: nsrck -L7 client_name Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 78: Task 8: Recover The Networker Server Data

    For more information about backing up and recovering mount points, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. For information about creating mount points, refer to the Windows Online Help topics on creating mounted drives and using the Disk Management utility.
  • Page 79 User profile folders are located in %SystemDrive%\Documents and Settings. 11. Select Recover Options from the Option menu. 12. In the Recover Options dialog box, select Overwrite Existing File. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 80: Task 9: Restore The Removable Storage Jukebox Configuration

    This option is set through the nsradmin command. For more information about setting the disable directed recover option on the NetWorker client, refer to the Legato NetWorker Administrator’s Guide, Windows Version. Task 9: Restore the Removable Storage Jukebox Configuration...

  • Page 81: Task 10: Verify The Networker Server Recovery

    Errors regarding the recovery of Windows system-protected files For information about how the NetWorker software handles the Windows system state and system-protected files, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. 3. Verify that the NetWorker server and its associated clients are included in a scheduled NetWorker backup.

  • Page 82: Recovering A Networker Client Or Storage Node

    NetWorker server. In that case: “Performing Windows ASR Recovery” on page ® , ClientPak ® , and NetWorker Modules) and any Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 83: Task 1: Satisfy The Networker Client Or Storage Node Recovery Requirements

    • To update the NetWorker software, first recover the NetWorker client or storage node to its predisaster state, then perform the update. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery “Recovering a “Task 3: Recover the NetWorker Client or Storage “Task 4: Verify the NetWorker Client or...

  • Page 84: Task 3: Recover The Networker Client Or Storage Node Data

    For more information about backing up and recovering mount points, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. For information about creating mount points, refer to the Windows Online Help topics on creating mounted drives and using the Disk Management utility.
  • Page 85 %SystemDrive%\Documents and Settings • Windows NT 4.0 — %SystemRoot%\profiles 8. Select Recover Options from the Option menu. 9. In the Recover Options dialog box, select Overwrite Existing File. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 4: Windows Disaster Recovery...

  • Page 86: Task 4: Verify The Networker Client Or Storage Node Recovery

    This option is set through the nsradmin command. For more information about setting the disable directed recover option on the NetWorker client, refer to the Legato NetWorker Administrator’s Guide, Windows Version. Task 4: Verify the NetWorker Client or Storage Node Recovery To verify the NetWorker client or storage node recovery: 1.

  • Page 87: Recovery Of Dhcp And Wins Databases

    Errors regarding the recovery of Windows system-protected files For information about how the NetWorker software handles the Windows system state and system-protected files, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. 3. Ensure that the storage node and the NetWorker server can detect the storage devices the NetWorker server is to use.

  • Page 88: How To Recover A Dhcp Database

    WINS database. For instructions on configuring DHCP and WINS servers to include these databases in scheduled NetWorker backups, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Note: For Windows .NET, the DHCP and WINS databases are automatically included in ASR backup and recovery;...

  • Page 89: Chapter 5: Netware Disaster Recovery

    “Recovering the NetWare Operating System” on page 91 • “Recovering a NetWare NetWorker Server” on page 94 • “Recovering a Replicated NDS Partition” on page 102 Note: All of the utilities referenced in this chapter are NetWare console utilities. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 90: Replacing A Hard Drive

    NetWare documentation and the appropriate hard drive vendor documentation. Important: Install a new drive that is the same size or larger than the original drive. This will ensure that you can recover all of the drive’s data. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 91: Completing The Recovery Process

    Version and patch level of the MS-DOS software • IPX/SPX and/or TCP/IP properties: – Adapter type – IPX network number or IP address – Default gateway – Subnet mask – DNS server Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 92: How To Recover The Netware Operating System

    2. Install the same version and patch level of NetWare using the install or nwconfig program. Install NetWare into its original location with the same: • • Computer name DNS domain name Administrator name and password Version Patch level Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 93: Task 2: Configure The Operating System

    3. Configure the date and time properties as they were configured before. 4. If you had any additional NetWare components or services, reinstall them before recovering the computer’s data. 5. Restart the computer after installing the NetWare operating system. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 94: Task 3: Test The Operating System And Configure Devices

    “Recovering a Replicated NDS Partition” on page 102 Note: To recover computer data using the NetWorker software, refer to the Legato NetWorker Administrator’s Guide, NetWare Version. Recovering a NetWare NetWorker Server The following sections provide information on recovering a NetWorker server: •...

  • Page 95: Prerequisites

    “Task 6: Recover the NetWorker Server Data” on page 99 • “Task 7: Restore NDS Data” on page 100 • “Task 8: Complete the Server Recovery” on page 101 Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 96: Task 1: Install The Networker Software

    Prerequisites Task 1: Install the NetWorker Software To install the NetWorker software: 1. Install the same version of NetWorker software into its original location. For installation instructions, refer to the Legato NetWorker Installation Guide, NetWare Version. • • 2. Install any NetWorker patches that were installed prior to the disaster.

  • Page 97: Task 3: Locate The Server's Bootstrap Save Set Id

    If backup and recovery processes are enabled, the state of the NetWorker indexes will become confused. From the NetWorker Utilities dialog box, select Recover from a Disaster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...
  • Page 98 If you are using a single tape device, manually insert the volume. If you are using an autochanger, use the autochanger controls to manually select the slot containing the most recent backup volume. SYS:NSR\NSR.RES SYS:NSR\NSRJB.RES Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 99: Task 5: Rename The Networker Server Configuration Files

    NetWare password into the Password attribute and press [Enter]. The Browser window appears. 6. Select Schema and mark it for recover to recover all extensions to the NDS schema. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 100: Task 7: Restore Nds Data

    Enter the full name of the backup administrator, and the password. d. Select the {NDS} save set, and press [Enter] to display versions. e. Select the version with the most recent full backup. “Task 7: Restore NDS Data” “Task 8: 101. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 101: Task 8: Complete The Server Recovery

    Run dsrepair to verify the integrity of any NDS databases. • Use the NetWorker Administrator program or the ndir workstation utility to verify the data, trustee assignments, and file ownership. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 102: Recovering A Replicated Nds Partition

    2. Use NDS Manager or partmgr to delete the server object for the failed server. You cannot use netadmin to delete a server object. Partition Manager displays a warning message; enter Yes to confirm the deletion. “Recovering a NetWare NetWorker Server” “Recovering the NetWare Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 103 When prompted for the name of the NDS tree, select the name of the tree that the server resided in before the disaster. – Select the time zone and configure the time. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 104: Task 2: Restore The Sms Remote File System

    Log in and specify the context for the server and its objects. Use the same context used before the disaster. Edit the STARTUP.NCF and AUTOEXEC.NCF files to match the versions recovered with SSI. “Task 2: Restore the SMS Remote File System” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 105: How To Recover A Netware 4.11, Netware 5.0, Or Intranetware Server Sys Volume

    If you must delete objects on a NetWare 4.11/IntraNetWare server, use the NetWare 4.10 procedure for recovering from a disaster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 106: Task 1: Recover The Netware Sys Volume

    A NetWare warning message appears. Continue with the recovery procedure. For more information, refer to “Backing Up and Restoring Novell Directory Services in NetWare 4.11” in Novell Application Notes, October 1996. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 107: Task 2: Install The Operating Systems

    [F3] and enter the path to the Server Specific Info files restored in step 1. d. A Remote Server Authentication login dialog box is displayed. Log in. When prompted, enter the Directory tree name. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...

  • Page 108: Task 3: Complete The Netware Sys Volume Recovery

    These files should be recovered from a backup. Alternatively, press F3 to Continue installation and wait while the utility copies the remaining system and public files. Then exit. Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 109 6. Verify the recovered data. From a workstation, use NWAdmin32 or the rights /T /S and ndir commands to check the data, trustee assignments, file ownership, and other related information. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 5: NetWare Disaster Recovery...
  • Page 110 Recovering a Replicated NDS Partition Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 111: Chapter 6: Microsoft Cluster Disaster Recovery (Windows Nt 4.0)

    “Task 2: Reinstall Windows NT 4.0 and MSCS on Node_B” on page 112 • “Task 3: Reinstall the NetWorker Software” on page 113 • “Task 4: Recover the Data on Node_B” on page 113 Legato NetWorker, Release 7.0 Disaster Recovery Guide (Windows NT 4.0)

  • Page 112: Task 1: Evict Node_B From The Cluster

    7. Assign the same drive letters that were previously assigned to the disk volumes. Important: Any local drive letters you assign should not conflict with the drive letters assigned to any of the shared disks. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 113: Task 3: Reinstall The Networker Software

    To take offline all of the resources that are dependent on the shared drive that you are replacing: 1. In the Cluster Administrator program, create a new resource group. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)

  • Page 114: Task 2: Replace The Hard Drive

    6. Remove the shared disk and replace it with a new shared disk. 7. If you have shut down the nodes, reboot them. 8. Create the drive volumes and format the new disk as the old one was. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 115: Task 3: Recover The Data To The Shared Disk

    Note: If the resource group is a virtual server, you may need to perform a directed recovery. For details, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Task 4: Configure the Cluster to Include the Shared Disk For more information, refer to the Microsoft Cluster Server documentation.

  • Page 116: Replacing The Quorum Disk And Recovering Its Data

    This is why specifying save set All is preferred over specifying the disk volume or directory that contains the quorum data. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 117: How To Replace The Quorum Disk And Recover Its Data

    Node_A or a virtual server has the latest backup of the quorum data. To recover the MSCS cluster configuration, perform the following tasks: • “Task 1: Recover the System State and Quorum Data” on page 118 Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)

  • Page 118: Task 1: Recover The System State And Quorum Data

    2. Reboot Node_B. System state Quorum data (If the quorum disk is owned by a virtual server, use the directed recover procedure. For details, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version.) Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 119: Task 3: Evict Node_B From The Cluster

    These procedures describe how to perform a recovery, either using existing hardware or new hardware. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)

  • Page 120: Task 1: On Node_A, Install And Configure The Software

    Use the same IP address and server name (fully qualified DNS domain name, if used) that were used originally. d. Configure the network adapters and the IP address using the original settings whenever possible. e. Log on to the domain. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 121: Task 2: On Node_B, Install And Configure The Software

    (Service Pack 3). Task 3: Install and Configure NetWorker Install and configure the NetWorker software and any required patches on Node_A and Node_B. For details, refer to the Legato NetWorker Installation Guide, Microsoft Windows Version. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)

  • Page 122: Task 4: Perform A Disaster Recovery

    Select Overwrite and Suppress Messages. 4. Recover the quorum and the shared drives data. Follow the directed recovery procedure. For detailed instructions, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. Note: Make sure you restore the \MSCS directory in the quorum to a different location, for example \MSCStemp.

  • Page 123: Task 6: Recover The Data

    If you are not replacing the shared disks, skip this task and proceed to “Task 8: Join Node_B to the Cluster” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0) “Chapter 4: Windows Disaster Recovery”...

  • Page 124: Task 8: Join Node_B To The Cluster

    Check for dependencies for the physical disk and make the necessary modifications. e. Create a new group and move all of the old shared disks to this group. (This is done for cleanup purposes.) Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 125 Windows NT 4.0 %SystemRoot% directory • 8. Reboot Node_B. 9. Verify that the system has been restored to its original state before the disaster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)
  • Page 126 Task 8: Join Node_B to the Cluster Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 127: Chapter 7: Microsoft Cluster Disaster Recovery (Windows 2000 And .Net)

    • During a recovery, the domain controller for the domain to which the cluster nodes belong must be available to authenticate the node joining the cluster. Legato NetWorker, Release 7.0 Disaster Recovery Guide (Windows 2000 and .NET)

  • Page 128: Recovering A Failed Quorum Disk

    Cluster Service Properties dialog box. 9. Add -fixquorum as a start parameter and start the service. 10. Use the Cluster Administrator to rename the failed quorum resource to RemoveMe. 11. Create a new disk resource named: Diskx Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 129: Recovering One Cluster Node

    The status of MSCS on Node_B is unknown, so it must be reinstalled (if using Windows 2000) or cleaned up (if using Windows .NET). Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 7: Microsoft Cluster Disaster Recovery (Windows 2000 and .NET)
  • Page 130 Using the Control Panel Add/Remove Programs tool, add the Windows component Cluster Service. Using the Control Panel Services tool, stop the Cluster service. At the command prompt, run: net stop clussvc Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 131 Note: It is strongly recommended that you restore all of the SYSTEM save sets (SYSTEM STATE, SYSTEM DB, and SYSTEM FILES). For more information, refer to the Legato NetWorker Administrator’s Guide, Microsoft Windows Version. 10. Click Start to begin the recovery.

  • Page 132: Recovering Multiple Cluster Nodes

    During Windows setup on each node, verify that the domain controller is available and that each potential node is able to join. 4. Delete the MSCS folder on the quorum disk. 5. On the quorum disk, run the chkdsk command. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 133: Disaster Recovery Guide

    14. From the Cluster Administrator on Node_B, verify that the cluster group can be moved between the nodes by right-clicking the group and selecting Move group. 15. Reinstall the NetWorker client software on Node_B. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 7: Microsoft Cluster Disaster Recovery (Windows 2000 and .NET)
  • Page 134 Recovering Multiple Cluster Nodes Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 135: Chapter 8: Sun Cluster Disaster Recovery

    Sun Cluster resources include a NetWorker server or a web server application. Restoring a Single Cluster Node This section describes how to restore a single cluster node. This scenario assumes that the operating system on the damaged node must be reinstalled. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 136: How To Restore A Single Cluster Node

    NetWorker server is set up as a highly available Sun Cluster resource or the NetWorker server is set up outside of the cluster. For detailed installation and configuration instructions for Sun Clusters, refer to the Legato NetWorker Installation Guide, Solaris Version.

  • Page 137: Task 1: Replace The Damaged Hardware

    Cluster resource, you need only install the NetWorker client on all cluster nodes. For detailed installation instructions for Sun Clusters, refer to the Legato NetWorker Installation Guide, Solaris Version. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 8: Sun Cluster Disaster Recovery...

  • Page 138: Task 3: Recover The Data

    2. Recover the physical and virtual NetWorker clients. For information about recovering physical and virtual NetWorker clients, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. “Chapter 3: UNIX Disaster Recovery” on page Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 139: Chapter 9: Hp Trucluster Disaster Recovery

    Chapter 9: HP TruCluster Disaster Recovery This chapter explains how to recover one or more computers in an HP TruCluster Server environment, releases 5.0A to 5.1B. This chapter includes the following sections: • “Prerequisites” on page 139 • “Restoring One or More Nodes in a Cluster” on page 140 •...

  • Page 140: Back Up The Cluster

    To ensure that the cluster is disaster-ready, perform the following steps: 1. Back up the entire cluster. 2. Optionally, back up the stand-alone HP Tru64 boot drive on the cluster’s primary node to a remote NetWorker server. You may need to mount the drive partitions temporarily and execute a manual save.

  • Page 141: How To Restore One Or More Nodes In A Cluster

    To update the cluster configuration, delete the cluster node and then add it back into the cluster. When you add the node back, cluster hardware settings are reinitialized. Note: Perform this task from a working cluster node. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 9: HP TruCluster Disaster Recovery...

  • Page 142: Task 5: Recover The Node-Specific Data

    Note: The force option is used in this step so that the recovered files overwrite the existing files. # recover -c cluster_default_alias recover> add /usr/cluster/members/membermember# recover> add /var/cluster/members/membermember# recover> add /cluster/members/membermember#/etc recover> cd /cluster/members/membermember# recover> delete ddr* recover> delete gen* recover> delete dfsl* Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 143: Restoring An Entire Cluster

    “Task 2: Verify Hardware Mappings” on page 144 • “Task 3: Install and Configure the Cluster Software” on page 144 Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 9: HP TruCluster Disaster Recovery “Record Information” on page 139. This information...

  • Page 144: Task 1: Replace The Damaged Hardware

    # hwmgr -view hierarchy # hwmgr -view devices 4. If the logical disks are enumerated differently than in the original configuration, manually reapply the original enumeration to the disks. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 145: Task 4: Install The Networker Software

    /nsr For more information about installing NetWorker software, refer to the appropriate Legato NetWorker Installation Guide. 2. Install any NetWorker patches that were installed prior to the disaster. 3. If separate filesystems were created for the subdirectories under the original /nsr directory, mount those filesystems under this /nsr directory.

  • Page 146: Task 5: Configure Networker Device And Autochanger Resources

    (defined in the /nsr/res directory). If the Autochanger resource does not exist, create it using the jbconfig command. For details about using the jbconfig command, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. If you are using an autochanger, reset the autochanger using the nsrjb -vHE command.

  • Page 147: Task 7: Recover The Server's Bootstrap

    2. If the server has multiple devices configured and enabled, enter the name of the device you are using for the recovery when the following message appears: Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 9: HP TruCluster Disaster Recovery...

  • Page 148: Task 8: Locate The Server's Client File Index Save Set Ids

    ID of the last full backup and the save set IDs of each incremental backup since the last full backup. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 149: Task 9: Recover The Server's Client File Index

    3. Use the nsrck command to check and repair the client file indexes if necessary: # nsrck -L6 4. Verify that the indexes were recovered properly: # nsrinfo cluster_default_alias where cluster_default_alias is the name of the cluster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 9: HP TruCluster Disaster Recovery...

  • Page 150: Task 10: Re-Create The Cluster

    To re-create the cluster, run the clu_create command: # clu_create For more information about installing the cluster, refer to the TruCluster documentation. Note: Do not reboot after running clu_create. Remain in stand-alone HP Tru64 mode. Task 11: Recover the Cluster Data To recover the cluster data: 1.
  • Page 151 /cluster/members/member0 recover> add dev devices recover> cd /cluster/members/member1 recover> add dev devices recover> noforce recover> relocate /mnt recover> recover where cluster_default_alias is the name of the cluster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 9: HP TruCluster Disaster Recovery...
  • Page 152 # unmount /mnt/var /mnt/usr /mnt 6. Shut down the system and boot the primary node off of its shared HP Tru64 member boot drive. 7. Although optional, you should recompile the kernel using doconfig on the primary node, and then reboot.

  • Page 153: Chapter 10: Hp-Ux Cluster Disaster Recovery

    Chapter 10: HP-UX Cluster Disaster Recovery This chapter explains how to recover one or more computers in an HP-UX MC/ServiceGuard cluster environment. This chapter includes the following sections: • “Recovering a Single Cluster Node” • “Performing a Cluster-Wide Recovery” on page 154 Recovering a Single Cluster Node This section describes how to recover a cluster server on one node.

  • Page 154: Performing A Cluster-Wide Recovery

    To install the software: 1. Install the operating system and cluster software on each node. 2. Install the NetWorker software as required within the HP-UX Task 2: Restore the Cluster Database 1. Select any node in the cluster and run the NetWorker server and client 2.

  • Page 155: Task 3: Start The Cluster

    Task 3: Start the Cluster To start the cluster, enter the following command: # cmruncl This also starts the NetWorker software. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 10: HP-UX Cluster Disaster Recovery...

  • Page 156: Task 4: Restore The Data

    2. Recover the clients' data from recent backups. recover. For more information about performing a disaster recovery, refer to the Legato NetWorker Administrator’s Guide, UNIX Version. When you shut down the NetWorker software during this step, use cmhaltpkg and not nsr_shutdown, as follows:...

  • Page 157: Chapter 11: Legato Aam For Aix, Hp-Ux, And Linux Disaster Recovery

    Chapter 11: Legato AAM for AIX, HP-UX, and This chapter explains how to recover one or more computers in an Automated Availability Manager (AAM) for an AIX, HP-UX, or Linux environment. This chapter includes the following sections: • “Recovering a Single Cluster Node”...
  • Page 158 • $FT_DIR/bin/envsh ($FT_DIR/bin/envcsh if using C shell) • /opt/networker/bin/nw_ux.lc Linux • $FT_DIR/bin/envsh ($FT_DIR/bin/envcsh if using C shell) • /usr/sbin/nw_ux.lc cd $FT_DIR/bin (or source ./envcsh if using C shell) . ./envsh ./ft_startup -domain domain_name Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 159: Performing A Cluster-Wide Recovery

    Task 1: Install the Software To install the software, on a primary node: 1. Configure the hardware and install the operating system. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 11: Legato AAM for AIX, HP-UX, and Linux Disaster Recovery...

  • Page 160: Task 2: Restore The Cluster

    1. Determine the save set ID that contains the following cluster configuration Note: $FT_DIR is the installation location for the AAM software. Automated Availability Manager Installation Guide. appropriate Legato NetWorker Installation Guide. locally. and system files: If you do not know the save set ID, use the scanner device_path command to determine its value, as follows: scanner device_path >...

  • Page 161: Task 3: Configure Networker Software As A Highly Available Application

    3. Start the cluster virtual server, as follows: $FT_DIR/bin/ft_startup -domain domain_name 4. Use the AAM Console to start the NetWorker resource group. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 11: Legato AAM for AIX, HP-UX, and Linux Disaster Recovery...

  • Page 162: Task 4: Restore The Data

    • /etc/init.d • /etc/rc*.d For detailed instructions on using the recover and mmrecov commands, refer to the man pages or the Legato Command Reference Guide. installation CD-ROMs. • $FT_DIR/config/* • $FT_DIR/log/* • $FT_DIR/<domain_name>_<node_name> Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 163: Task 5: Start The Cluster Software On Each Node

    NSR_SHARED_DISK_DIR and NSR_SERVICE_ID in /AAM_ installation_ directory Yes or No [Yes]? no 3. Repeat steps 1 and 2 for each node in the cluster. Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 11: Legato AAM for AIX, HP-UX, and Linux Disaster Recovery...

  • Page 164: Renaming The Resource Directory

    Mount the shared disk (that contains the shared nsr directory) by bringing the shared disk datasource online. resource directory, as follows: mv /nsr_shared_mnt_pt/nsr/res /nsr_shared_mnt_pt/ nsr/res.old mv /nsr_shared_mnt_pt/nsr/res.R /nsr_shared_mnt_pt/ nsr/res shared disk) that you used in step 2 offline. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 165: Chapter 12: Hacmp For Aix Disaster Recovery

    • “Recovering an Entire Cluster” on page 166 For detailed installation and configuration instructions, refer to the following documentation: • Legato NetWorker Installation Guide, AIX Version • Legato NetWorker Administrator’s Guide, UNIX Version • HACMP for AIX documentation Recovering a Single Node This section describes how to recover a failed node within a cluster.

  • Page 166: How To Recover A Single Node

    “Task 1: Install the Software” on page 166 “Task 2: Restore the Cluster Database” on page 166 “Task 3: Start the Cluster” on page 167 “Task 4: Restore the Data” on page 167 Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 167: Task 3: Start The Cluster

    1. If you do not know the save set ID of the most recent bootstrap, use the scanner -B command to find it, as follows: scanner -B device_path Legato NetWorker, Release 7.0 Disaster Recovery Guide Chapter 12: HACMP for AIX Disaster Recovery...
  • Page 168 Place the recovered resource database files into the res directory, as follows: mv /nsr/res.R /nsr/res e. Unmount the shared disk containing the nsr directory. f. Restart NetWorker resource group using the SMIT utility. Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 169: Glossary

    Windows 2000 operating system files, maintain the built-in groups, and grant additional rights to groups. The term used to denote a cluster server. Also known as a logical server (HP TruCluster), a package (HP-UX), and a virtual server (Microsoft). Glossary...
  • Page 170 [+] asm: argument For more information, refer to the nsr_5 man page or the Legato Command Reference Guide. A feature of a resource. It is a service or information that the resource provides. Legato NetWorker, Release 7.0 backup Disaster Recovery Guide...
  • Page 171 Backup Operators group backup volume base enabler code bootstrap Legato NetWorker, Release 7.0 Disaster Recovery Guide A code that is unique to your network that unlocks the software for permanent use. A mechanism that uses a robotic arm to move media...
  • Page 172 A highly available system allows the application services to continue despite most hardware or software failures. The port NetWorker processes use to perform backup and recovery sessions through a firewall. Legato NetWorker, Release 7.0 and the media Disaster Recovery Guide...
  • Page 173 DFS component directed recovery Legato NetWorker, Release 7.0 Disaster Recovery Guide To create a complete backup of a save set by merging the most recent level 1 save set with its corresponding full level save set. For more information, refer to the nsrssc man page or the Legato Command Reference Guide.
  • Page 174 1. A file tree that is on a specific disk partition or other mount point. 2. The entire set of all files. 3. A method of storing files. Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 175 Legato NetWorker, Release 7.0 Disaster Recovery Guide A system designed to prevent unauthorized access to or from a private network. All messages entering or leaving the intranet pass through the firewall, which examines each message and blocks those that do not meet the specified security criteria.
  • Page 176 It is also referred to as a logical or virtual client. The node on which the client or server program is running. The term used in conjunction with HP TruCluster to denote a cluster server. Also known as an agent (Sun), a package (HP-UX), and a virtual server (Microsoft).
  • Page 177 NetWorker storage node NFS client NFS server nonclone pool Legato NetWorker, Release 7.0 Disaster Recovery Guide The physical storage medium to which backup data is written. NetWorker software supports tape, magnetic or optical disk, and filesystems as backup media. See also volume.
  • Page 178 A NetWorker feature that allows you to configure a different backup level for a specific date listed in a Schedule resource. The term used by HP-UX to denote a cluster server. Also known as an agent (Sun), logical server (HP TruCluster), and virtual server (Microsoft).
  • Page 179 Registry remote device Legato NetWorker, Release 7.0 Disaster Recovery Guide A set of constraints that specify how long an entry can remain in a client’s online file index. When a policy expires, the save sets associated with that policy are marked recyclable.
  • Page 180 2. (Windows NT/Windows 2000 and UNIX) The top node of the system directory structure; the home directory of the root user. A group of files or a filesystem from a single client computer backed up onto storage media. Legato NetWorker, Release 7.0 Disaster Recovery Guide...
  • Page 181 Legato NetWorker, Release 7.0 Disaster Recovery Guide The process that merges a level 1 backup with the last full backup of a save set to create a new full backup. See also level.
  • Page 182 A storage device physically attached to another computer whose backup operations are administered from the controlling NetWorker server. The HP TruCluster utility used to manage cluster nodes. In the NetWorker software, refers to configuration resources that are used to assign users to access control groups and to configure the privileges associated with those groups.
  • Page 183 It is also referred to as a logical cluster client or a virtual client. The term used by Microsoft to denote a cluster server. Also known as an agent (Sun), a logical server (HP TruCluster), and a package (HP-UX). A unit of storage media, such as a magnetic tape, an optical disk, or a file.
  • Page 184 Glossary Legato NetWorker, Release 7.0 Disaster Recovery Guide...

  • Page 185: Index

    Windows removable storage disabled, restoring with removable storage enabled, restoring with resetting Automated Availability Manager for AIX, HP-UX, Linux recovering a single node recovering all nodes renaming the resource directory automated system recovery (ASR) on Windows backup...
  • Page 186 HP-UX cluster cmgetconf, HP-UX cluster cmhaltpkg, HP-UX cluster cmmodpkg, HP-UX cluster cmruncl, HP-UX cluster cmrunnode, HP-UX cluster commands AAM for AIX, HP-UX, Linux 161, envsh scanner scanner -S -x uasm -rv -i Y HACMP for AIX mmrecov nrsck -L7...
  • Page 187 -lnv -S 71–72 nsrjb -lnv -S -f nsrjb -lv 48, 69, nsrjb -lv -S 48–49, 68, nsrjb -vHE nsrmm -d Legato NetWorker, Release 7.0 Disaster Recovery Guide nsrmmdbasm ping recover -c recover.exe scanner scanner -B sjiielm uasm Windows 2000 or .NET cluster...
  • Page 188 Emergency repair disk creating, Windows NT using, Windows NT end user data See user data envsh, AAM for AIX, HP-UX, Linux exchangec, HP-UX cluster feedback, customer file, legatomm firewall support -fixquorum, Windows NT 4.0 gathering key information before a disaster...
  • Page 189 Microsoft cluster configuration, recovering, Windows NT 4.0 Microsoft Cluster Server, recovering Windows 2000 or .NET Windows NT 4.0 mminfo -av -N, HP TruCluster mminfo -avot, UNIX mminfo -mv, HP TruCluster mminfo -mv, UNIX mminfo -mv, Windows mminfo -s -mv, Windows mmrecov, HACMP for AIX Legato NetWorker, Release 7.0...
  • Page 190 UNIX nsrim -X, HP TruCluster nsrinfo, HP TruCluster nsrjb -HE, UNIX nsrjb -I, HP TruCluster nsrjb -Inv -S -f, HP TruCluster nsrjb -Inv -S, Windows nsrjb -Iv -S, Windows nsrjb -Iv, Windows nsrjb -l, UNIX nsrjb -lnv -S -f, UNIX...
  • Page 191 Windows Windows NT 4.0 summary of Sun cluster recovery product documentation program, NetWorker Utilities for NetWare Legato NetWorker, Release 7.0 Disaster Recovery Guide quorum disk recovering, Windows 2000 or .NET recovering, Windows NT 4.0 Cluster recover -c, HP TruCluster recover -c, Windows...
  • Page 192 -B, NetWare scanner -B, UNIX scanner -B, Windows scanner -S -x uasm -i Y -rv, HACMP for AIX scanner -S -x uasm -rv -i Y, AAM for AIX, HP-UX, Linux scanner -S, HP-UX cluster scanner, AAM for AIX, HP-UX, Linux...
  • Page 193 NetWare 39, 42, UNIX Windows testing OS NetWare UNIX Windows Legato NetWorker, Release 7.0 Disaster Recovery Guide TruCluster, recovering See also cluster, HP TruCluster uasm, Windows umount, HP-UX cluster UNIX configuring operating system installing operating system...
  • Page 194 Windows Internet Naming Service (WINS) database Windows NT repair disk creating using Legato NetWorker, Release 7.0 Disaster Recovery Guide...

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