Disaster recovery with DB2 UDB for z/OS / / [Paolo Bruni ... et al.]

• Pubblicazione: [S.l.], : IBM, International Technical Support Organization, c2004
• Edizione: 1st ed.
• Descrizione fisica: xxxii, 492 p. : ill
• Disciplina: 005.5/6
• Soggetto topico: Data recovery (Computer science); Electronic data processing - Backup processing alternatives
• Altri autori: BruniPaolo
• Note generali: "November 2004."; "SG24-6370-00."
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Front cover -- Contents -- Tables -- Figures -- Examples -- Notices -- Trademarks -- Preface -- The contents of this redbook -- The team that wrote this Redbook -- Become a published author -- Comments welcome -- Part 1 The whole picture -- Chapter 1. Business continuity -- 1.1 Business Continuity definition -- 1.1.1 Business Continuity and Disaster Recovery -- 1.1.2 What is a disaster? -- 1.1.3 How to protect from a disaster -- 1.2 IBM Business Continuity Strategy -- 1.2.1 Disaster Recovery solutions -- 1.3 General considerations on disaster recovery -- 1.3.1 The lessons from September 11 and the requirements evolution -- 1.4 Business Continuity and Recovery Services -- Chapter 2. DB2 disaster recovery -- 2.1 Introduction to DB2 disaster recovery solutions -- 2.1.1 Conventional transport -- 2.1.2 Remote Copy Services -- 2.1.3 Remote Copy and DB2 -- 2.1.4 Data replication -- 2.2 Data consistency -- 2.2.1 The rolling disaster -- 2.2.2 Consistency groups -- 2.3 DR solutions in terms of RTO and RPO -- 2.4 DB2's disaster recovery functions -- 2.4.1 Backup -- 2.4.2 Restart -- 2.4.3 Recover -- 2.5 Determining the RBA for conditional restarts -- 2.5.1 Choosing an RBA for normal conditional restart -- 2.5.2 Choosing an RBA value for SYSPITR -- 2.6 What if DB2 utilities were running? -- 2.6.1 LOAD -- 2.6.2 REORG -- Part 2 Disaster recovery major components -- Chapter 3. Traditional recovery -- 3.1 Overview -- 3.2 Planning for disaster recovery -- 3.2.1 Dump and restore of DB2 environment -- 3.2.2 Consistent point-in-time recovery -- 3.2.3 Continuous archive log transfer -- 3.3 Recovery procedures -- 3.3.1 Establish the environment -- 3.3.2 Recover the BSDS -- 3.3.3 Restart DB2 (conditional restart) -- 3.3.4 Recover DB2 system data -- 3.3.5 Prepare subsystem for use -- 3.4 Recovering the BSDS -- 3.5 Restart DB2 (Conditional Restart) -- 3.6 Considerations. ; Chapter 4. DB2 Tracker -- 4.1 Overview -- 4.2 Tracker site recovery -- 4.2.1 Setting up the tracker site -- 4.2.2 Establishing recovery cycle at the tracker site -- 4.2.3 How to take over in case of disaster -- 4.3 Considerations -- 4.3.1 Restrictions on tracker site -- 4.3.2 Pros and cons -- Chapter 5. ESS FlashCopy -- 5.1 Introducing FlashCopy -- 5.2 How FlashCopy works -- 5.3 DFSMSdss utility -- 5.3.1 COPYVOLID parameter -- 5.3.2 DUMPCONDITIONING parameter -- 5.3.3 FCNOCOPY and FCWITHDRAW parameters -- 5.4 Incremental FlashCopy -- 5.5 FlashCopy Consistency Group -- Chapter 6. SMS copy pools and DB2 point in time recovery -- 6.1 DFSMS 1.5 enhancements -- 6.1.1 DFSMShsm Fast Replication -- 6.1.2 DFSMS copy pools -- 6.1.3 Copy pool backup storage group type -- 6.2 Preparing for DFSMShsm Fast Replication -- 6.3 DB2 enhancements -- 6.3.1 Other changes to support system level point-in-time recovery -- 6.4 DB2 PITR using Fast Replication -- 6.4.1 DB2 BACKUP SYSTEM utility -- 6.5 DB2 Recover using Fast Replication backups -- 6.5.1 DB2 RESTORE SYSTEM utility -- 6.5.2 Running RESTORE SYSTEM -- Chapter 7. Peer-to-Peer Remote Copy -- 7.1 Peer-to-Peer Remote Copy (PPRC) -- 7.1.1 How PPRC works -- 7.1.2 DB2 and critical attributes -- 7.1.3 Rolling disaster with PPRC alone -- 7.1.4 Consistency grouping and messages issued -- 7.2 PPRC Extended Distance (PPRC-XD) -- 7.2.1 Characteristics -- 7.2.2 Creating a Consistency Group with PPRC-XD -- 7.3 Asynchronous PPRC: Global Mirror -- 7.3.1 Prerequisites for Asynchronous PPRC -- 7.3.2 Terminology -- 7.3.3 Asynchronous PPRC: How it works -- 7.3.4 Prerequisites for Asynchronous PPRC -- 7.4 PPRC feature dependencies -- Chapter 8. eXtended Remote Copy -- 8.1 Introduction -- 8.1.1 XRC configurations -- 8.1.2 XRC hardware requirements -- 8.1.3 Dynamic workload balancing -- 8.1.4 Planned outage support. ; 8.1.5 Unplanned outage support for ESS -- 8.2 XRC components -- 8.2.1 Primary storage subsystem -- 8.2.2 Secondary storage subsystem -- 8.2.3 System Data Mover -- 8.2.4 Address spaces -- 8.2.5 Journal, control, and state data sets -- 8.2.6 An XRC session -- 8.2.7 Utility devices -- 8.2.8 An XRC storage control session -- 8.3 XRC operation: data flow -- 8.4 Details on Consistency Groups -- 8.5 XRC considerations for DB2 disaster recovery -- Part 3 General solutions for disaster recovery -- Chapter 9. Split Mirror -- 9.1 Split Mirror -- 9.1.1 Normal operation -- 9.1.2 Suspend PPRC links -- 9.1.3 Perform backup to preserve the environment -- 9.1.4 Re-establish the PPRC links -- 9.1.5 Suspend pairs -- 9.1.6 Resume logging -- 9.1.7 Dump to safety volumes -- 9.2 Considerations -- Chapter 10. FlashCopy Consistency Group -- 10.1 Solution overview -- 10.1.1 How it works -- 10.2 Design the solution -- 10.2.1 Define backup environment requirements -- 10.2.2 Define recovery environment requirements -- 10.2.3 Define testing environment requirements -- 10.2.4 Define backup procedure -- 10.2.5 Define off-site procedure and timing -- 10.2.6 Define the restore procedure -- 10.2.7 Define automation requirements -- 10.3 Implement the solution -- 10.3.1 Create FlashCopy Consistency Group task -- 10.3.2 Create FlashCopy Consistency Group Created task -- 10.3.3 Create ICKDSF REFORMAT jobs -- 10.3.4 Create DFSMSdss DUMP jobs -- 10.3.5 Create ICKDSF INIT jobs -- 10.3.6 Create DFSMSdss RESTORE jobs -- 10.3.7 Create a Disaster Recovery Procedure (DRP) -- 10.4 Run the solution -- 10.4.1 Execute periodic disaster recovery testing -- 10.4.2 Maintain the solution -- 10.5 Additional considerations -- Chapter 11. Global Copy PPRC-XD -- 11.1 General PPRC-XD Global Copy Configuration -- 11.2 Creating your Consistency Group -- 11.3 Applying additional log to a Consistency Group. ; 11.3.1 How to verify a log -- 11.4 Considerations -- Chapter 12. Global Mirror PPRC -- 12.1 Overview -- 12.1.1 Terminology -- 12.1.2 How it works -- 12.1.3 Restrictions -- 12.2 Design the solution -- 12.2.1 Define primary environment -- 12.2.2 Define recovery environment -- 12.2.3 Define testing environment requirements -- 12.2.4 Select the interface to PPRC commands -- 12.2.5 Define session management commands -- 12.3 Implement the solution -- 12.3.1 Establish Async-PPRC data paths -- 12.3.2 Establish PPRC paths to the remote site -- 12.3.3 Establish PPRC-XD pairs -- 12.3.4 Establish FlashCopy pairs at the remote site -- 12.3.5 Define the Asynchronous PPRC session -- 12.3.6 Add volumes to the session -- 12.3.7 Start the session -- 12.4 Run the solution -- 12.4.1 Add/remove volumes to/from the session -- 12.4.2 Modify the session -- 12.4.3 Pause/terminate the session -- 12.4.4 Test the solution -- 12.5 Monitor Asynchronous PPRC -- 12.5.1 Determine the status of Asynchronous PPRC -- 12.5.2 Query the status of the volumes in the session -- 12.5.3 Query the number of volumes that are out-of-sync -- 12.5.4 Query the status of the FlashCopy volumes after an outage -- 12.5.5 Asynchronous PPRC Session Manager -- 12.5.6 RMF enhancements: Performance statistics reports for ESS links -- 12.6 Recovery procedures -- 12.6.1 Unplanned outage and switch to the remote site -- 12.6.2 Planned outage -- 12.6.3 Considerations -- Chapter 13. XRC: Global Mirror for z/OS -- 13.1 Solution overview -- 13.2 Design the solution -- 13.2.1 Verify hardware requirements -- 13.2.2 Verify software requirements -- 13.2.3 Select volumes for remote copy -- 13.2.4 The ERRORLEVEL parameter -- 13.2.5 Verify SDM requirements -- 13.2.6 Verify the primary ESS subsystems -- 13.2.7 Verify the secondary storage subsystem -- 13.2.8 Determine SDM-primary site bandwidth. ; 13.2.9 Select Utility device mode -- 13.2.10 Understand XADDPAIR processing -- 13.3 Define XRC management -- 13.3.1 Issuing XRC TSO commands -- 13.3.2 XSTART command -- 13.3.3 XADDPAIR command -- 13.3.4 XQUERY command -- 13.3.5 XDELPAIR command -- 13.3.6 XEND command -- 13.3.7 XSUSPEND command -- 13.3.8 XSET command -- 13.3.9 XRECOVER command -- 13.3.10 XADVANCE command -- 13.3.11 XCOUPLE command -- 13.3.12 ANTRQST application programming interface -- 13.4 Define XRC automation -- 13.4.1 JCL-/REXX generation -- 13.4.2 Error recovery -- 13.4.3 GDPS/XRC -- 13.5 Implement the solution -- 13.5.1 Allocate the Journal data set -- 13.5.2 Allocate the control data set -- 13.5.3 Allocate the state data set -- 13.5.4 Allocate the master data set -- 13.5.5 Implement XRC commands and procedures -- 13.5.6 Implement XRC security -- 13.5.7 XRC testing -- 13.6 Run the solution -- 13.6.1 HCD reconfiguration restriction -- 13.6.2 XRC volume format, track, and access mode restrictions -- 13.6.3 ICKDSF and XRC volumes -- 13.6.4 XRC Performance monitor -- 13.6.5 Reporting on the XRC environment -- 13.6.6 XRC diagnostic aids -- 13.7 Database recovery with XRC -- 13.8 Using XRC with FlashCopy -- Chapter 14. Geographically Dispersed Parallel Sysplex -- 14.1 GDPS overview -- 14.1.1 GDPS/PPRC -- 14.1.2 GDPS/XRC -- 14.1.3 Functional highlights -- 14.1.4 IBM Global Services offerings -- 14.2 GDPS-Metro Solution -- 14.2.1 Initial setup -- 14.2.2 The Freeze Policy -- 14.2.3 After Failover to Recovery Site -- 14.2.4 Considerations about GDPS -- 14.3 Metro/Global Mirror solution -- 14.3.1 Scenario 1 -- 14.3.2 Scenario 2 -- Part 4 Implementing disaster recovery scenarios -- Chapter 15. Set Log Suspend - FlashCopy - More Log - Restore System Log Only -- 15.1 Description of the scenarios -- 15.1.1 FlashCopy with DB2 -- 15.1.2 RESTORE SYSTEM LOGONLY -- 15.2 Recovery procedures. ; 15.2.1 Prepare for disaster recovery.
• Titolo autorizzato: Disaster recovery with DB2 UDB for z
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910811828203321
• Lo trovi qui: Univ. Federico II
• Serie: IBM redbooks.