IBM SG24-5360-00 manual Following terms are trademarks of other companies

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operating environments may vary significantly. Users of this document should verify the applicable data for their specific environment.

Reference to PTF numbers that have not been released through the normal distribution process does not imply general availability. The purpose of including these reference numbers is to alert IBM customers to specific information relative to the implementation of the PTF when it becomes available to each customer according to the normal IBM PTF distribution process.

The following terms are trademarks of the International Business Machines Corporation in the United States and/or other countries:

CICS	DFSORT
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IBM	OS/390
RAMAC	VM/ESA
VSE/ESA

The following terms are trademarks of other companies:

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Iceberg	Storage Technology Corporation
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Other company, product, and service names may be trademarks or service marks of others.

66 RAMAC Virtual Array, Peer-to Peer Remote VSE/ESA

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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 Preface Team That Wrote This RedbookComments Welcome Your comments are important to usWhat Is an IBM Ramac Virtual Array? IBM Ramac Virtual ArrayOverview of RVA and the Virtual Disk Architecture Log Structured FileData Compression and Compaction − Functional track tableWhat Is SnapShot? What Is IXFP/SnapShot for VSE/ESA?VSE/ESA Support for the RVA What Is IXFP? Deleted Data Space ReleaseWhat Is Peer-to-Peer Remote Copy? Reporting FunctionsRamac Virtual Array, Peer-to Peer Remote VSE/ESA RVA Simplifies Your Storage Management RVA Benefits for VSE/ESADisk Capacity Ixfp AdministrationBatch Window Improvement Ramac Virtual Array IXFP/SnapShot for VSE/ESARVA Data Availability Application DevelopmentHardware SnapShot PprcRamac Virtual Array, Peer-to Peer Remote VSE/ESA VSE/ESA Support for the RVA Prerequisites1 VSE/ESA Input/Output Configuration Program VolumesHost Connection Volume Minimal Init Partial Disk Minimal InitAssgn ExecRamac Virtual Array, Peer-to Peer Remote VSE/ESA IXFP/SnapShot for VSE/ESA System VSE/ESA User TimeDTRIATTN,PARM=′ Ixfp REPORT′ Sample Batch Job to Invoke Ixfp Report FunctionIXFP/SnapShot for VSE/ESA Detail PhysAR 0015 CUU DEF DefinedFull Volume Ixfp SnapReply ′ YES′ to Proceed VSE/VSAMRange of Cylinders Non-VSAM File Expired Files Ixfp DDSR,PATEV3 Total VolumeIxfp DDSR,PATEV30000-0999,NOPROMPT Specified File Ixfp DDSR,PATEV3DSN=′ test.data.3′ , NopromptIxfp REPORT,80E,80F Ixfp REPORT,80E Ixfp REPORT,80FIxfp Report Sample Output of Ixfp Report Command Device Detail ReportRamac Virtual Array, Peer-to Peer Remote VSE/ESA Device Summary Report Subsystem Summary ReportRamac Virtual Array, Peer-to Peer Remote VSE/ESA Peer-to-Peer Remote Copy Peer-to-Peer Remote CopyPprc and VSE/ESA Software Requirements Pprc Data FlowPprc Hardware Requirements Invoking peer-to-peer remote copyExamples of Pprcopy Commands SnapShot ConsiderationsPrimary Devices of a Pprc Pair Secondary Devices of a Pprc PairSetting Up Pprc Paths and Pairs Recovering from a Primary Site FailureDeleting Pprc Pairs and Paths Recovering from a Secondary Site FailurePhysical Connections to the RVA Determining the Logical Control Unit Number for RVA Determining the Channel Connection AddressRamac Virtual Array, Peer-to Peer Remote VSE/ESA Appendix A. RVA Functional Device Configuration Functional Device ConfigurationFunctional Device Configuration Screen CD23 Snap Command Appendix B. Ixfp Command ExamplesSyntax Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Using SnapShot to Copy One Volume to Another NopromptDEFINED-CAPACITY AR 0015 CapacityTest Prod Overall Test Prod Using SnapShot to Copy a File from One Volume to Another Using SnapShot to Copy Files with RelocationOther Uses of SnapShot IXFP20I Snap Function Completed ATDdsr Command Syntax of Ixfp Ddsr Command DetailsUsing Ddsr to Delete a Single Data Set Using Ddsr to Delete the Contents of a VolumeReport Using Ddsr to Delete the Free Space on an RVAAR+0015 IXFP29D Ddsr for For Deletion Report Command Reporting on the Capacity of a Single Volume Reporting on the Capacity of Multiple VolumesReporting on the Capacity of the RVA Subsystem Device Detail Report FUNC. Capacity MBJOB WCWTEST1 IXFP/SnapShot Setup Job StreamsExec DTRIATTN,PARM=′ Ixfp REPORT′ BG 0000 // JOB Initdisk BG 0000 1A86I Following Assignments are ReleasedIxfp DDSR,80E Ready Ixfp DDSR,80F50.83 47.86 AR 0015 1I40I Ready $$DITTO BLKFACTOR=1 EOJ$$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 Appendix F. Related Publications International Technical Support Organization PublicationsRedbooks on CD-ROMs Other PublicationsRamac Virtual Array, Peer-to Peer Remote VSE/ESA How to Get Itso Redbooks ∙ E-mail OrdersIBM Redbook Fax Order Form Please send me the followingIndex See CKDPprc distance Itso Redbook Evaluation Please answer the following questionsSG24-5360-00