IBM SG24-5360-00 instruction

RAMAC Virtual Array, Peer-to-Peer Remote Copy,

and IXFP/SnapShot for VSE/ESA

Alison Pate Dionisio Dychioco Guenter Rebmann Bill Worthington

International Technical Support Organization

http://www.redbooks.ibm.com

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SG24-5360-00

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IBM SG24-5360-00 manual International Technical Support Organization

Contents

International Technical Support Organization Page International Technical Support Organization First Edition January Contents Peer-to-Peer Remote Copy Itso Redbook Evaluation Contents Vi Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Team That Wrote This Redbook Preface Your comments are important to us Comments Welcome IBM Ramac Virtual Array What Is an IBM Ramac Virtual Array?Overview of RVA and the Virtual Disk Architecture Log Structured File − Functional track table Data Compression and Compaction What Is SnapShot? What Is IXFP/SnapShot for VSE/ESA?VSE/ESA Support for the RVA Deleted Data Space Release What Is IXFP? Reporting Functions What Is Peer-to-Peer Remote Copy? Ramac Virtual Array, Peer-to Peer Remote VSE/ESA RVA Simplifies Your Storage Management RVA Benefits for VSE/ESADisk Capacity Ixfp AdministrationBatch Window Improvement IXFP/SnapShot for VSE/ESA Ramac Virtual Array RVA Data Availability Application DevelopmentHardware Pprc SnapShot Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Prerequisites VSE/ESA Support for the RVA 1 VSE/ESA Input/Output Configuration Program VolumesHost Connection Partial Disk Minimal Init Volume Minimal InitAssgn Exec Ramac Virtual Array, Peer-to Peer Remote VSE/ESA System VSE/ESA User Time IXFP/SnapShot for VSE/ESA Sample Batch Job to Invoke Ixfp Report Function DTRIATTN,PARM=′ Ixfp REPORT′ IXFP/SnapShot for VSE/ESA Phys DetailAR 0015 CUU DEF Defined Ixfp Snap Full Volume VSE/VSAM Reply ′ YES′ to Proceed Range of Cylinders Non-VSAM File Expired Files Ixfp DDSR,PATEV3 Total VolumeIxfp DDSR,PATEV30000-0999,NOPROMPT Ixfp DDSR,PATEV3DSN=′ test.data.3′ , Noprompt Specified File Ixfp REPORT,80E,80F Ixfp REPORT,80E Ixfp REPORT,80FIxfp Report Device Detail Report Sample Output of Ixfp Report Command Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Subsystem Summary Report Device Summary Report Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Peer-to-Peer Remote Copy Peer-to-Peer Remote Copy Pprc Data Flow Pprc and VSE/ESA Software Requirements Invoking peer-to-peer remote copy Pprc Hardware Requirements SnapShot Considerations Examples of Pprcopy CommandsPrimary Devices of a Pprc Pair Secondary Devices of a Pprc Pair Recovering from a Primary Site Failure Setting Up Pprc Paths and Pairs Deleting Pprc Pairs and Paths Recovering from a Secondary Site FailurePhysical Connections to the RVA Determining the Channel Connection Address Determining the Logical Control Unit Number for RVA Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Functional Device Configuration Appendix A. RVA Functional Device Configuration Functional Device Configuration Screen CD23 Snap Command Appendix B. Ixfp Command ExamplesSyntax Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Noprompt Using SnapShot to Copy One Volume to Another DEFINED-CAPACITY AR 0015 CapacityTest Prod Overall Test Prod Using SnapShot to Copy Files with Relocation Using SnapShot to Copy a File from One Volume to Another IXFP20I Snap Function Completed AT Other Uses of SnapShot Syntax of Ixfp Ddsr Command Details Ddsr Command Using Ddsr to Delete the Contents of a Volume Using Ddsr to Delete a Single Data Set Report Using Ddsr to Delete the Free Space on an RVAAR+0015 IXFP29D Ddsr for For Deletion Report Command Reporting on the Capacity of Multiple Volumes Reporting on the Capacity of a Single VolumeReporting on the Capacity of the RVA Subsystem Device Detail Report FUNC. Capacity MB JOB WCWTEST1 IXFP/SnapShot Setup Job StreamsExec DTRIATTN,PARM=′ Ixfp REPORT′ BG 0000 1A86I Following Assignments are Released BG 0000 // JOB InitdiskIxfp DDSR,80E Ready Ixfp DDSR,80F $$DITTO BLKFACTOR=1 EOJ 50.83 47.86 AR 0015 1I40I Ready $$DITTO BLKFACTOR=1 $$DITTO EOJ 726532.208 MB 117880.209 MB 57754.953 MB Appendix C. VSE/VSAM Considerations Backing up Vsam Volumes Appendix C. VSE/VSAM Considerations Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Appendix D. Iocds Example Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Appendix E. Special Notices Following terms are trademarks of other companies International Technical Support Organization Publications Appendix F. Related PublicationsRedbooks on CD-ROMs Other Publications Ramac Virtual Array, Peer-to Peer Remote VSE/ESA ∙ E-mail Orders How to Get Itso Redbooks Please send me the following IBM Redbook Fax Order Form See CKD Index Pprc distance Please answer the following questions Itso Redbook Evaluation SG24-5360-00