Essentials of Backup/Recovery for Disaster Recovery Debbie Saugen dsaugen@us. ibm. com © Copyright IBM Corporation, 2004. All Rights Reserved. This publication may refer to products that are not currently available in your country. IBM makes no commitment to make available any products referred to herein.
Agenda • Backup Basics – Backing Up the Entire System – Backing Up System Data – Backing Up User Data • Unattended Operations With Save Menu Options • Backup Recovery and Media Services • Disaster Recovery Tips • Rapid Recovery © 2004 IBM Corporation
Golden Rules for Backup/Recovery • That Which Has Not Been Backed up Cannot be Recovered • That Which Has Not Been Backed up Offsite Will Not Survive a Disaster • Any Backup That Has Not Been Tested With a Recovery is Not a Backup • Back It Up or Give It Up © 2004 IBM Corporation
Save Commands and Menu Options from Save menu Commands Licensed Internal Code OS/400 Objects in QSYS SAVSYS 22 User Profiles Private Authorities SAVSECDTA 23 Configuration Objects IBM-supplied Directories 21 OS/400 Optional Libraries QHLPSYS QUSRTOOL Licensed Program Libraries QRPG QCBL Qxxxxx SAVCFG SAVLIB *IBM SAVLIB *NONSYS IBM Libraries with User Data QGPL QUSRSYS QS 36 F #LIBRARY User Libraries LIBA LIBB LIBC SAVLIB *ALLUSR LIBxxx 23 Documents and Folders Distribution Objects User Objects in Directories © 2004 IBM Corporation SAVDLO SAV
Save Menu Options 21, 22, 23 Save Select one of the following: Save system and user data Option 20. Define save system and user data defaults Option 21. Entire system Option 22. System data only Option 23. All user data © 2004 IBM Corporation
Save Menu Option 21 • Entire System - Runs Commands: – ENDSBS SBS(*ALL) OPTION(*IMMED) – CHGMSGQ QSYSOPR DLVRY(*BREAK or *NOTIFY) – SAVSYS – SAVLIB LIB(*NONSYS) ACCPTH(*YES) – SAVDLO DLO(*ALL) SAVFLR(*ANY) – SAV DEV('/QSYS. LIB/tape-device-name. DEVD') OBJ(('/*') ('/QSYS. LIB' *OMIT) ('/QDLS' *OMIT)) UPDHST(*YES) – STRSBS SBSD (controlling-subsystem) © 2004 IBM Corporation
Save Menu Option 22 • System Data Only - Runs Commands: – ENDSBS SBS(*ALL) OPTION(*IMMED) – CHGMSGQ QSYSOPR DLVRY(*BREAK or *NOTIFY) – SAVSYS – SAVLIB LIB(*IBM) ACCPTH(*YES) – SAV DEV('/QSYS. LIB/tape-device-name. DEVD') OBJ(('/QIBM/Prod. Data') ('/QOpen. Sys/QIBM/Prod. Data')) UPDHST(*YES) – STRSBS SBSD (controlling-subsystem) © 2004 IBM Corporation
Save Menu Option 23 • All User Data - Runs Commands: – ENDSBS SBS(*ALL) OPTION(*IMMED) – CHGMSGQ QSYSOPR DLVRY(*BREAK or *NOTIFY) – SAVSECDTA – SAVCFG – SAVLIB LIB(*ALLUSR) ACCPTH(*YES) – SAVDLO DLO(*ALL) FLR(*ANY) – SAV DEV('/QSYS. LIB/tape-device-name. DEVD') OBJ(('/*) ('/QSYS. LIB *OMIT) ('/QDLS *OMIT) ('/QIBM/Prod. Data' *OMIT) ('/QOpen. Sys/QIBM/Prod. Data' *OMIT)) UPDHST(*YES) – STRSBS SBSD (controlling-subsystem) © 2004 IBM Corporation
Simple Backup Strategy • Simple Backup Strategy – Perform Entire System Saves Using Menu – Option 21 • Daily for Simple Backup Strategy • Simplifies System Recoveries © 2004 IBM Corporation
Medium Backup Strategy • Medium Backup Strategy – Perform Saves of System Data Only Using – Menu Option 22 After Installing: • New Release • PTFs • Licensed Program Products – Perform Saves of All User Data • Daily for Medium Backup Strategy © 2004 IBM Corporation
Complex Backup Strategy • Complex Backup Strategy – Customized CL Programs or BRMS – Saving Changed Objects – Saving Journals & Receivers – Save-while-active Function – Replicated Systems for 24 X 7 Strategy © 2004 IBM Corporation
Hardware Managment Console (HMC) • Required on i 5 Hardware for partitioned or Capacity on Demand systems • Backed up separately outside Save Option 21 for Recovery • Backup performed on HMC Console to DVD/RAM © 2004 IBM Corporation
Unattended Operations With Save Menu Options © 2004 IBM Corporation
Unattended Saves Using Save Menu Options • Unattended Save Using Start Time Parameter – Option 21 - Save Entire System – Option 22 - Save System Data – Option 23 - Save User Data Specify Command Defaults Type choices, press Enter. Tape devices. . . Prompt for commands. . . . Check for active files. . . Message queue delivery. . . Start time. . . Vary off network servers. . . TAP 01___ ________ N N *NOTIFY 22: 00 *ALL ____ Names Y=Yes, N=No *BREAK, *NOTIFY *CURRENT, time *ALL, *NONE, *WINDOWSNT, *GUEST (V 5 R 3) Type choices, press Enter. Unmount file systems. . . Y Y=Yes, N=No (V 5 R 3) Print system information. . . N Y=Yes, N=No (V 4 R 2) F 3=Exit F 12=Cancel © 2004 IBM Corporation
Unattended Save • Requires Dedicated Workstation (Console) – Potential Security Exposure • Sys. Req 2 (Endjob) While Waiting • User Profile usually has higher security class – V 4 R 2 and Higher: • Option to vary off network servers before saving • Option to unmount user-defined file systems before saving • Option to print system information – V 5 R 3 Enhancements • Vary off network servers default of *ALL • Unmount user-defined file systems default of Yes © 2004 IBM Corporation
Save Menu Options Defaults • Save Menu Options Defaults – Save Menu Option 20 • Define Save System and User Data Defaults – Simplifies Unattended Saves – Define Defaults For: • Save Option 21 - Entire system • Save Option 22 - System data only • Save Option 23 - All user data © 2004 IBM Corporation
Save Menu Options Defaults Define Save System and User Data Defaults Save Select one of the following: Save system and user data Option 20. Define Save system and user data defaults Option 21. Save entire system Option 22. System data only Option 23. All user data © 2004 IBM Corporation
Save Menu Options Defaults Define Save System and User Data Defaults Type choices, press Enter. Tape devices. . . Prompt for commands. . . . Check for active files. . . Message queue delivery. . . Start time. . . Vary off network servers. . . Type choices, press Enter. Y Unmount file systems. . . Print system information. . . Use system reply list. . . F 3=Exit F 12=Cancel © 2004 IBM Corporation TAP 01___ ________ N N *NOTIFY 22: 00 *ALL Names Y N N Y=Yes, N=No (V 5 R 3) Y=Yes, N=No (V 4 R 2) Y=Yes, N-No (V 4 R 3) Y=Yes, N=No *BREAK, *NOTIFY *CURRENT, time *ALL, *NONE, *WINDOWSNT, *GUEST (V 5 R 3)
Backup Recovery and Media Services © 2004 IBM Corporation
Product Characteristics • Key Features – Controls Backup • Enabler for backup strategies – Guides Recovery al All Levels – Archives Data from DASD to Tape • Dynamic retrieval for archived files – Classifies, Tracks, and Protects Tape Media – Single-system or Multi-system Environment • Licensed Program product 5716 BR 1, 5763 BR 1, 5769 BR 1 and 5722 BR 1 – Runs on all i 5, i. Series and AS/400 models – Supports all i 5, i. Series and AS/400 tape devices and tape media – Significant step beyond operational assistant backup © 2004 IBM Corporation
Backup and Recovery Information © 2004 IBM Corporation
Backup and Recovery Information • Read the book EVERY time a new release comes out? – You MUST use the correct version of the book with each new release! • ARE YOU SAVING THE RIGHT STUFF poster – New UPDATED Poster for V 5 R 2 (Includes BRMS - G 325 -6328 -03) • i. Series Backup and Recover Learning Guide (Search 400. com) -- http: //search 400. techtarget. com/original. Content/0, 289142, sid 3_gci 951628, 00. html • Starter Kit for IBM i. Series and AS/400 (www. iseriesnetwork. com) – i. Series Backup Basics & BRMS Chapters – New Updated Edition • i. Series NEWS Magazine Backup/Recovery FAQS – Commonly asked Backup/Recovery Questions and Answers – www. iseriesnetwork. com © 2004 IBM Corporation
Backup and Recovery Book • • Hardcopy No Longer Shipped Free Fee Charge for Book Hardcopy Critical for DASD Configuration and Recoveries Ensure YES on Configurator for Hardcopy © 2004 IBM Corporation
New Backup and Recovery Information • Comprehensive Backup Information Moved to Information Center http: //www. iseries. ibm. com/infocenter (V 5 R 1 and Higher) – Planning a backup and recovery strategy – Getting your media ready to save your system – Before you save anything – Saving your system with the GO SAVE command – Manually saving parts of your system – Saving your system under time limitations – Setting up disk protection for your data – Controlling system shutdown using a power-handling program © 2004 IBM Corporation
New Backup and Recovery Information • Backup and Recovery Book - Starting with V 4 R 5 – New Step by Step Restore Instructions when Recovering Your Server to the Same Server - See Appendix G (V 4 R 5/V 5 R 1) Appendix D (V 5 R 2) Appendix C (V 5 R 3) – New Steps for Moving Previous Release User Data to a System at a Higher Release in Chapter 15, " Release to Release Support" • Backup and Recovery Book - Starting with V 5 R 2 – New Step by Step Restore Instructions when Recovering Your Server to a Different Server - See Appendix E (V 5 R 2) Appendix D (V 5 R 3) © 2004 IBM Corporation
Testing, Testing and More Testing!! • Testing Your Recovery Strategy Ensures You Have a Good Backup Strategy!! – Your Backups are only as Good as Your Recovery – Only True Backup Verification is Done by Testing Your Recovery – Recovery Strategy only as Good as Backup Strategy – Design Recovery Strategy Before Backup Strategy © 2004 IBM Corporation
Prevent Disasters Before Test! • Don't forget keys to vital records boxes • Know your password – Keep passwords current • Arrange for serial number dependent software • Use PRTSYSINF Command or option on Save Menus 21, 22 and 23 (V 4 R 2 or later) to print important system information • Ensure RSTLIB and CHGPWD commands NOT changed to use different programs © 2004 IBM Corporation
Prevent Disasters Before Test! • Tape Management – Ensure tapes are labeled or cataloged with unique volume IDs (Tape Management Product such as BRMS) – Prevent overwriting tapes with active data (tape management product such as BRMS) – Have at least two sets – Use error reports to remove bad tapes from inventory – Audit tapes for data integrity – Do NOT IGNORE tape drive problems! © 2004 IBM Corporation
Prevent Disasters Before Test! • Ensure Critical Data is Completely Backed Up!! – Completely back up Library QUSRSYS – #1 recovery problem today!! – Objects starting with Q in QUSRSYS contain critical recovery data • To Save Everything in QUSRSYS: – End all subsystems (with ENDSBS SBS(*ALL)) – Ensure subsystems QSNADS, QSYSWRK, QSERVER ended & ENDTCPSVR *MGTC – Use Save menu option 21 or 23 – Use the save-while-active feature © 2004 IBM Corporation
Prevent Disasters Before Test! • ALWAYS Save Access Paths! – Default on Save Menu Options (21, 22, 23) is YES to Save Access Paths – Default on BRMS is YES to Save Access Paths • BEWARE!! – Prior to V 5 R 3 Default for Saving Access Paths on Save Commands is NO © 2004 IBM Corporation
Saving Access Paths - New Default for V 5 R 3 • New Save Access Paths Default for Save Commands – *SYSVAL – New System Value QSAVACCPTH • '1' Save Access Paths (Default) • '2' Do Not Save Access Paths – Supported on SAVLIB, SAVOBJ, SAVCHGOBJ, SAVRSTLIB, SAVRSTOBJ, SAVRSTCHG • *YES or *NO Still Valid Options © 2004 IBM Corporation
Prevent Disasters Before Test! • Install Latest Backup/Recovery Group PTF – V 4 R 1 M 0 - SF 99073 – V 4 R 2 M 0 - SF 99074 – V 4 R 3 M 0 - SF 99075 – V 4 R 4 M 0 - SF 99076 – V 4 R 5 M 0 - SF 99077 – V 5 R 1 M 0 - SF 99078 – V 5 R 2 M 0 - SF 99085 – V 5 R 3 M 0 - SF 00185 • DSPDTAARA SFxxxxx for Date of Group PTF (V 5 R 1 or Prior) • WRKPTFGRP SFxxxxx for Date of Group PTF (V 5 R 2 or Higher) © 2004 IBM Corporation
Recovering with Alternate Installation Device • Allows Setup of Alternate Installation Device for Alternate IPL • REQUIRED for FIBRE CHANNEL TAPE DEVICES! • Define Via Dedicated Service Tools (DST) NOTE: Alternate Installation Device REQUIRES PID Install CD for Installs and System Recoveries from Tape Media © 2004 IBM Corporation
Prevent Disasters During Test! • During Install/Restore – On RISC, Install Licensed Internal Code using option 2 - Install Licensed Internal Code and Initialize system (unless system pre-configured and instructed to select option 3 to Recover Configuration) – Enter the Correct Date – Enter Correct System Time Zone (New for V 5 R 3) © 2004 IBM Corporation
Prevent Disasters During Test! • System Values Settings Required Recovery – System value QALWOBJRST must be *ALL – System value QJOBMSGQFL must be *PRTWRAP – System value QVFYOBJRST must be 1 (V 5 R 1 and higher) • Security Sensitive System Value Changes Not Allowed – DST Option in V 5 R 2 – Default is to Allow Changes – If Disallowed, Must Update in DST to Allow Changes During Recovery © 2004 IBM Corporation
Prevent Disasters During Test! • Recovering to a Different System (Different Serial Number) – Must specify ALWOBJDIF(*ALL) on all RSTxxx Commands - MBROPT(*ALL) on RSTLIB Command Note: ALWOBJDIF(*ALL) during System Recovery to a Different System Links Authorization Lists to the Objects – Must specify SRM(*NONE) on RSTCFG command © 2004 IBM Corporation
Prevent Disasters During Test! • Security Issues During Recovery – After Restore, Unsure of QSECOFR Password? Not sure if password has Expired? • Change Password (CHGUSRPRF command) before signing off – Know Other User IDs needed for Test © 2004 IBM Corporation
Prevent Disasters During Test! • Security Issues During Recovery • Authorization lists securing objects in QSYS: – Association between object and authorization list lost during restore because QSYS restored prior to user profiles – Need program to produce a file of these objects and include file in the save (See An Implementation Guide for AS/400 Security and Auditing, for sample programs (ALLAUTL and FIXAUTL)) © 2004 IBM Corporation
Prevent Disasters During Test! • Need only Critical Application Data restored? – You MUST restore libraries QSYS 2, QGPL and QUSRSYS NOTE: Starting with V 5 R 2 QSYS 2 is part of *ALLUSR Saved with *IBM Save Previously – SAVLIB/RSTLIB of *NONSYS or *ALLUSR in V 5 R 3 Saves and Restores QSYS 2, QGPL and QUSRSYS First • If you use journaling, the libraries containing the journals must be restored before restoring the journaled files © 2004 IBM Corporation
Prevent Disasters During Test! • If you have logical files whose based-on files are in a different library, you must restore all based-on files before you can restore the logical file • Message CPF 3204 "Cannot find object needed for file xxxx in xxx" During Recovery – If RSTLIB(*NONSYS) Performed, Run the Following Command to Restore Logical Files RSTLIB SAVLIB(*NONSYS) DEV(media-device-name) OPTION(*NEW) MBROPT(*ALL) ALWOBJDIF(*ALL) – Otherwise, Run the Following Command for each Logical File that Needs to be Restored RSTOBJ OBJ(logical-file-name) SAVLIB(library-name) DEV(media-devicename) OBJTYPE(*FILE) MBROPT(*ALL) ALWOBJDIF (*ALL) © 2004 IBM Corporation
How do I Get Started on a Disaster Recovery Plan? • Appendix B - Backup and Recovery Book • Example Disaster Recovery Plan © 2004 IBM Corporation
Rapid Recovery for i. Series and AS/400 Replication © 2004 IBM Corporation
i. Series and AS/400 Replication. . . a Rapid Recovery feature that enables you to replicate your applications and data. • Can achieve recovery time objectives of minutes • Protects data to last replicated transaction IBM Site Hotsite Customer © 2004 IBM Corporation
i. Series and AS/400 Replication Options You can replicate all or part of your system to a target system at either hotsite or one of your sites. Customer Site(s) Customer(s) Hotsite Partitioning Hotsite or Customer Site Or you can replicate all or part of your system to a partition on a target system at a hotsite. This solution enables sharing of resources and achieves a new price point for replication. © 2004 IBM Corporation
Remember. . . Test Your Recovery!!! The Only Way to Ensure you have a Good Backup Strategy is to Test your Recovery!!!! © 2004 IBM Corporation
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