7.3 IBM i

IBM i 7.3

Systems management Recovering your system

IBM

SC41-5304-12

Note Before using this information and the product it supports, read the information in "Notices" on page 509.

This edition applies to IBM i 7.3 (product number 5770-SS1) and to all subsequent releases and modifications until otherwise indicated in new editions. This version does not run on all reduced instruction set computer (RISC) models nor does it run on CISC models. This edition replaces SC41-5304-11. This document may contain references to Licensed Internal Code. Licensed Internal Code is Machine Code and is licensed to you under the terms of the IBM License Agreement for Machine Code. ? Copyright International Business Machines Corporation 1997, 2015. US Government Users Restricted Rights ? Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

Contents

Figures............................................................................................................... xiii

Tables..................................................................................................................xv

Recovering your system...................................................................................... xix

What's new for IBM i 7.3..................................................................................... xxi

Part 1. Saving information on your system..............................................................1

Part 2. Recovering information on your system....................................................... 3

Chapter 1. Restoring the system: Introduction...........................................................................................5 The relationship between save and restore commands....................................................................... 7 What happens when you restore objects...............................................................................................8 Sequence for restoring related objects............................................................................................... 11 Deferring the restore of dependent objects........................................................................................ 12 Putting your system in a restricted state............................................................................................. 14 RCLSTG command................................................................................................................................15 Reclaiming storage......................................................................................................................... 18 Reclaiming object links........................................................................................................................ 19 Controlling restoration of security-sensitive objects.......................................................................... 20 QALWOBJRST system value........................................................................................................... 21 Setting the QALWOBJRST system value to allow complete recovery........................................... 21 Setting the QALWOBJRST system value to restrict restore operations........................................ 22 QVFYOBJRST system value............................................................................................................ 22 Setting the QVFYOBJRST system value to allow complete recovery............................................ 23 Setting the QVFYOBJRST system value to restrict restore operations......................................... 23 Minimizing object scans after restore operations............................................................................... 23 Setting the QPFRADJ system value for a different processor or memory.......................................... 24 Locked objects while restoring............................................................................................................ 24 Verifying whether objects are restored successfully.......................................................................... 25 Recovery from an unsuccessful restore operation..............................................................................27 Recovering from an error while restoring libraries........................................................................ 28 Recovering from an error while restoring document library objects.............................................28 Recovering documents and folders.......................................................................................... 29 Recovering from unsuccessful system signon..........................................................................29 Performing a normal initial program load............................................................................................29 Parallel restore operations...................................................................................................................30 Restore operation output file information........................................................................................... 31 Field descriptions for restore output file............................................................................................. 33

Chapter 2. Selecting the appropriate recovery strategy...........................................................................39 Some common recovery terminology..................................................................................................39 Recovery procedure for a power failure.............................................................................................. 41 Recovery procedure for a system failure............................................................................................. 41 Recovery procedure for a program failure or human error................................................................. 41 Recovering the vital product data information if the partition does not IPL in A-mode or B-mode.. 42 Choosing the recovery procedure for a disk failure or disk errors...................................................... 42

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Checklist 1: Actions for load-source disk unit failure.................................................................... 45 Checklist 2: Actions for load-source disk unit failure.................................................................... 46 Checklist 3: Actions for load-source disk unit failure.................................................................... 47 Checklist 4: Actions for load-source disk unit failure.................................................................... 48 Checklist 5: Actions for load-source disk unit failure.................................................................... 53 Actions for non-load source disk unit failure or disk units in basic user ASP disk failure?

Checklist 6................................................................................................................................. 57 Checklist 7: Actions for non-load source disk unit failure.............................................................57 Checklist 8: Actions for non-load source disk unit failure.............................................................59 Checklist 9: Actions for non-load source disk unit failure.............................................................60 Checklist 10: Actions for non-load source disk unit failure...........................................................64 Checklist 11: Actions for a failure in a basic auxiliary storage pool disk unit............................... 69 Checklist 12: Actions for a failure in a basic auxiliary storage pool disk unit............................... 69 Checklist 13: Actions for a failure in a basic auxiliary storage pool disk unit............................... 72 Checklist 14: Actions for non-load source disk unit failure...........................................................74 Checklist 15: Actions for non-load source disk unit failure...........................................................75 Checklist 16: Actions for non-load source disk unit failure...........................................................76 Checklist 17: Actions for independent auxiliary storage pool disk failure....................................77 Checklist 18: Actions for a failure in an independent auxiliary storage pool disk unit.................78 Checklist 19: Actions for a failure in an independent auxiliary storage pool disk unit.................79 Checklist 20: Recovering your entire system after a complete system loss.................................81 Checklist 21: Recovering your entire system after a complete system loss including

independent auxiliary storage pools.........................................................................................85 Checklist 22: Restoring a logical partition to another logical partition......................................... 89 Checklist 23: Actions for a failed cache card................................................................................. 92 Choosing the procedure to recover user information......................................................................... 93 Checklist 24: Recovering user information using commands....................................................... 94 Checklist 25: Using option 21 from the restore menu...................................................................99 Checklist 26: Using options 22 and 23 from the restore menu.................................................. 102 Checklist 27: Recovering user information using tapes from Operational Assistant backup.... 105

Chapter 3. Recovering the Licensed Internal Code................................................................................ 111 Preparing for loading the Licensed Internal Code.............................................................................113 Task 1: Getting ready to load the Licensed Internal Code.......................................................... 113 Task 2: Powering down the system..............................................................................................114 Task 3: Preparing to start the system from an alternate IPL device........................................... 114 Task 4: Loading the Licensed Internal Code from media............................................................ 115 Loading the Licensed Internal Code.................................................................................................. 118 Recovering the vital product data information if the partition does not IPL in A-mode or B-mode121 Setting up your disk configuration after installing the Licensed Internal Code and initializing the system..................................................................................................................................... 122 Using System i Navigator to set up your disk configuration after installing Licensed Internal Code.............................................................................................................................................. 123 Recovering your disk configuration................................................................................................... 126 Starting your system after restoring the Licensed Internal Code.....................................................128

Chapter 4. Restoring the operating system............................................................................................ 131 Choosing the right procedure for restoring the operating system....................................................132 Loading the operating system using a manual initial program load (IPL)........................................ 132 Tasks to restoring the operating system........................................................................................... 133 Task 1: Starting to restore the operating system.........................................................................134 Task 2: Selecting the installation options.................................................................................... 137 Task 3: Selecting initial program load options.............................................................................141 Task 4: Setting major system options.......................................................................................... 143 Task 5: Defining or changing the system at initial program load (IPL)........................................143 Task 6: Completing the initial program load................................................................................ 145 Recovering from SRC A900 2000...................................................................................................... 147 Creating a configuration for other tape units............................................................................... 147

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Chapter 5. Starting the system after it ends abnormally........................................................................149 What happens when your system stops............................................................................................149 Using the Disk Configuration Error Report display...................................................................... 150 Using the Main Storage Dump Occurred display......................................................................... 150 Restarting your system...................................................................................................................... 151 Task 1: Performing an attended initial program load.................................................................. 151 Task 2: Editing the rebuilding of access paths.............................................................................153 Task 3: Editing check pending constraints...................................................................................154 Task 4: Recovering from damaged objects and unreadable sectors.......................................... 156 Recovering a damaged journal............................................................................................... 158 Recovering a damaged journal receiver................................................................................. 158 Recovering a journaled object that is damaged or not synchronized....................................159 Recovering damaged objects in the integrated file system................................................... 159 Recovering other types of damaged objects.......................................................................... 160

Chapter 6. Recovering information in a user ASP................................................................................... 161 Describing the contents of your user ASP......................................................................................... 161 Choosing the procedure to recover user ASPs.................................................................................. 162 Recovering a basic user ASP after recovering the system ASP........................................................ 162 Task 1: Reclaiming storage...........................................................................................................163 Task 2: Restoring user profiles..................................................................................................... 164 Task 3: Restoring the configuration............................................................................................. 165 Task 4: Recovering journals and journal receivers in the QRCL library.......................................165 Task 5: Restoring libraries to the system auxiliary storage pool.................................................166 Task 6: Restoring document library objects to the system auxiliary storage pool..................... 167 Task 7: Restoring user-defined file systems to the user auxiliary storage pool......................... 168 Recovery steps for unmounted user-defined file systems in a user ASP..............................168 Recovery steps for a mounted UDFS if data is not restored.................................................. 168 Recovery steps for a mounted UDFS if data is restored........................................................ 168 Task 8: Reclaiming document library objects.............................................................................. 169 Task 9: Recovering save files from the QRCL library................................................................... 169 Task 10: Associating journal receivers with journals...................................................................169 Task 11: Restoring object ownership........................................................................................... 171 Recovering an overflowed user ASP.................................................................................................. 172 Resetting an overflowed user ASP without an initial program load IPL......................................172 Resetting an overflowed user ASP during an IPL........................................................................ 174 Deleting overflowed objects during recovery....................................................................................176 Recovering a damaged basic ASP......................................................................................................176 Task 1: Restoring user profiles..................................................................................................... 176 Task 2: Determining the contents of the lost auxiliary storage pool...........................................177 Task 3: Determining tasks to restore objects.............................................................................. 178 Task 4: Restoring libraries to a basic auxiliary storage pool....................................................... 178 Task 5: Restoring journals to a basic auxiliary storage pool........................................................178 Task 6: Restoring documents to a basic auxiliary storage pool.................................................. 180 Task 7: Restoring user-defined file systems to a basic auxiliary storage pool........................... 180 Recovery steps for unmounted user-defined file systems in a basic ASP............................ 180 Recovery steps for a mounted UDFS if data is not restored.................................................. 180 Recovery steps for a mounted UDFS if data is restored........................................................ 181 Task 8: Restoring journal receivers to a basic auxiliary storage pool......................................... 181 Task 9: Restoring save files to a basic auxiliary storage pool..................................................... 181 Recovering an independent ASP........................................................................................................182 Task 1: Restoring user profiles..................................................................................................... 182 Task 2: Determining tasks to restore objects to an independent auxiliary storage pool........... 182 Task 3: Restoring libraries to the independent auxiliary storage pool........................................183 Task 4: Restoring user-defined file systems to the independent auxiliary storage pool........... 184 Recovery steps for unmounted user-defined file systems in an independent ASP.............. 184 Recovery steps for a mounted UDFS if data is not restored.................................................. 184

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