IBM TotalStorage Enterprise Storage Server PPRC Extended Distance.

Front cover -- Contents -- Figures -- Tables -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Terminology -- Notice -- Comments welcome -- Chapter 1. Data integrity and availability -- 1.1 What is disaster recovery? -- 1.2 Business objectives for disaster recovery -- 1.3 Tiers of disaster recovery -- 1.4 IBM TotalStorage solutions for disaster recovery -- Chapter 2. PPRC Introduction -- 2.1 PPRC Extended Distance -- 2.2 PPRC Overview -- 2.3 PPRC operation methods -- 2.4 Synchronous PPRC (PPRC-SYNC) -- 2.4.1 Data consistency at the recovery site -- 2.4.2 Application availability -- 2.4.3 Write operations response time -- 2.4.4 Distance factor -- 2.4.5 PPRC-SYNC Positioning -- 2.5 PPRC volume states -- 2.6 Synchronous PPRC using static volumes -- 2.6.1 How PPRC-SYNC can be used over long distances -- 2.6.2 Data consistency at the recovery site -- 2.6.3 Application availability -- 2.6.4 Write operations response time -- 2.6.5 Distance factor -- 2.6.6 PPRC using static volumes - positioning -- 2.6.7 PPRC with static volumes - implementation examples -- 2.7 PPRC Extended Distance (PPRC-XD) -- 2.7.1 How PPRC Extended Distance works -- 2.7.2 Data consistency at the recovery site -- 2.7.3 Application availability -- 2.7.4 Write operations response time -- 2.7.5 Distance factor -- 2.7.6 PPRC Extended Distance positioning -- 2.7.7 PPRC-XD implementations -- Chapter 3. PPRC Extended Distance characteristics and management -- 3.1 PPRC options -- 3.1.1 Basic characteristics -- 3.1.2 PiT Implementation basics -- 3.2 PPRC-XD states change logic -- 3.3 Managing PPRC Extended Distance -- 3.3.1 Establishing XD pairs using TSO commands -- 3.3.2 Catch-up (go-to-SYNC) using TSO -- 3.3.3 CESTPAIR command parameter values -- 3.3.4 Establishing XD pairs using the Web user interface -- 3.3.5 Catch-up (go-to-SYNC) and suspend using the WUI.

3.3.6 Web user interface options -- 3.4 Querying PPRC-XD -- 3.4.1 CQUERY command -- 3.4.2 rsQueryComplete command -- 3.4.3 rsQuery command -- 3.4.4 The Information Panel of the Web user interface -- Chapter 4. PPRC configuration and data consistency -- 4.1 PPRC configuration -- 4.1.1 Establishing concepts -- 4.1.2 Defining paths between two LSSs -- 4.1.3 Displaying path information -- 4.2 Building consistency -- 4.2.1 Consistency groups -- 4.2.2 Defining consistency groups using TSO -- 4.2.3 Defining consistency groups using the Web user interface -- 4.2.4 Freezing operation -- 4.2.5 Freeze operation with TSO -- 4.2.6 Freeze operation with the Web user interface -- Chapter 5. PPRC Extended Distance implementation and use -- 5.1 PPRC-XD point-in-time consistency -- 5.2 PPRC-XD for application recovery -- 5.2.1 Starting with a catch-up of the volumes -- 5.2.2 PPRC-XD PiT within the synchronous range -- 5.2.3 Starting with the quiesce of the application -- 5.3 PPRC-XD solutions and positioning -- 5.3.1 Functional positioning -- 5.3.2 Remote data migration -- 5.3.3 Transmission of database logs -- 5.3.4 Off-site backups -- 5.3.5 Mixed environment (XD and SYNC) -- 5.3.6 Application performance positioning -- 5.3.7 Initial establish for a large number of volumes -- 5.4 PPRC-XD implementation considerations -- 5.4.1 More data can be PPRC protected -- 5.4.2 Consistency management -- 5.4.3 Automation -- 5.4.4 Bandwidth management -- 5.5 PPRC connectivity -- 5.5.1 PPRC supported distances -- 5.5.2 PPRC channel extender support -- 5.5.3 PPRC Dense Wave Division Multiplexor (DWDM) support -- 5.6 PPRC-XD requirements -- Chapter 6. Using the WUI and the CLI to manage PPRC-XD -- 6.1 ESS Specialist -- 6.2 Creating ESS Copy Services tasks -- 6.3 Tasks for a PiT backup with PPRC-XD -- 6.3.1 Establish paths -- 6.3.2 Establish PPRC-XD pair - initial copy.

6.3.3 Establish PPRC-SYNC pair - go-to-SYNC and suspend -- 6.3.4 Quiesce the application write activity -- 6.3.5 Re-synchronize PPRC pair -- 6.3.6 Freeze -- 6.3.7 Resume application write activity -- 6.3.8 FlashCopy PPRC target -- 6.3.9 Reestablish paths -- 6.3.10 Reestablish PPRC-XD pairs -- 6.3.11 Additional tasks -- 6.4 Using the CLI for a PiT backup with PPRC-XD -- 6.4.1 Establish paths -- 6.4.2 Establish PPRC-XD pair - initial copy -- 6.4.3 Establish PPRC-SYNC pair - go-to-SYNC and suspend -- 6.4.4 Quiesce the application write activity -- 6.4.5 Re-synchronize PPRC pair -- 6.4.6 Freeze -- 6.4.7 Resume application write activity -- 6.4.8 FlashCopy PPRC target -- 6.4.9 Reestablish paths -- 6.4.10 Reestablish PPRC-XD pairs -- 6.4.11 Consistency group created -- 6.4.12 Creating the script -- Appendix A. ESS Copy Services creation of tasks -- A.1 ESS Copy Services tasks: step-by-step -- A.1.1 Establish paths -- A.1.2 Establish PPRC XD pair - initial copy -- A.1.3 Establish PPRC SYNC pair - go-to-SYNC and suspend -- A.1.4 Quiesce the application write activity -- A.1.5 Re-synchronize PPRC pair -- A.1.6 Freeze -- A.1.7 Resume application write activity -- A.1.8 FlashCopy PPRC target -- A.1.9 Reestablish paths -- A.1.10 Reestablish PPRC XD pairs -- A.1.11 Withdraw FlashCopy pair -- A.1.12 Suspend PPRC pair -- A.1.13 Terminate PPRC pair -- A.1.14 Consistency-group-created -- A.2 Installing the CLI -- A.2.1 CLI supported systems -- A.2.2 Installing procedure -- Appendix B. Additional examples of PiT and data migration solutions -- B.1 Data migration for a large data center -- B.1.1 Planning the migration -- B.1.2 Preparing the volume pairs and dumping the data -- B.1.3 Restoring the data and re-synchronizing the pairs -- B.2 PiT backup solution -- B.2.1 Considerations when using PPRC-XD -- B.2.2 Distance considerations.

B.2.3 Other planning considerations -- B.2.4 Impending disasters -- Appendix C. PPRC-XD Managing in the TSO environment -- C.1 Managing with TSO commands -- C.1.1 PPRC-XD Initialization and monitoring -- C.1.2 Catch-up transition -- C.1.3 Build consistency and freeze -- C.1.4 Resume application write activity -- C.1.5 Save checkpoint and resume PPRC-XD -- C.2 Path failures scenario -- Appendix D. PPRC-XD operation for z/VM and VSE/ESA users -- D.1 ICKDSF PPRC command functions -- D.2 PPRCOPY ESTPATH -- D.3 PPRCOPY DELPATH -- D.4 PPRCOPY ESTPAIR -- D.5 PPRCOPY DELPAIR -- D.6 PPRCOPY SUSPEND -- D.7 PPRCOPY RECOVER -- D.8 PPRCOPY QUERY -- Appendix E. PPRC with static volumes implementations -- PPRC with static primary volumes -- Remote data migration -- Transmission of database log files -- Remote backup -- Related publications -- IBM Redbooks -- Other resources -- Referenced Web sites -- How to get IBM Redbooks -- IBM Redbooks collections -- Index -- Back cover.

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