First Edition January | IBM SG24-5360-00 guide

Take Note!

Before using this information and the product it supports, be sure to read the general information in Appendix E, ªSpecial Noticesº on page 65.

First Edition (January 1999)

This edition applies to Version 6 of VSE Central functions, Program Number 5686-066, Version 2, Release 3.1 of VSE/ESA, Program Number 5590-VSE, and Version 1, Release 16 of Initialize Disk (ICKDSF), Program Number 5747-DS2 for use with the VSE/ESA operating system.

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IBM SG24-5360-00 manual First Edition January

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 Redbook Comments Welcome Your comments are important to us What Is an IBM Ramac Virtual Array? IBM Ramac Virtual ArrayOverview of RVA and the Virtual Disk Architecture Log Structured File Data Compression and Compaction − Functional track table What Is SnapShot? What Is IXFP/SnapShot for VSE/ESA?VSE/ESA Support for the RVA What Is IXFP? Deleted Data Space Release What Is Peer-to-Peer Remote Copy? Reporting Functions Ramac 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/ESA RVA Data Availability Application DevelopmentHardware SnapShot Pprc Ramac Virtual Array, Peer-to Peer Remote VSE/ESA VSE/ESA Support for the RVA Prerequisites 1 VSE/ESA Input/Output Configuration Program VolumesHost Connection Volume Minimal Init Partial Disk Minimal InitAssgn Exec Ramac Virtual Array, Peer-to Peer Remote VSE/ESA IXFP/SnapShot for VSE/ESA System VSE/ESA User Time DTRIATTN,PARM=′ Ixfp REPORT′ Sample Batch Job to Invoke Ixfp Report Function IXFP/SnapShot for VSE/ESA Detail PhysAR 0015 CUU DEF Defined Full Volume Ixfp Snap Reply ′ YES′ to Proceed VSE/VSAM Range of Cylinders Non-VSAM File Expired Files Ixfp DDSR,PATEV3 Total VolumeIxfp DDSR,PATEV30000-0999,NOPROMPT Specified File Ixfp DDSR,PATEV3DSN=′ test.data.3′ , Noprompt Ixfp REPORT,80E,80F Ixfp REPORT,80E Ixfp REPORT,80FIxfp Report Sample Output of Ixfp Report Command Device Detail Report Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Device Summary Report Subsystem Summary Report Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Peer-to-Peer Remote Copy Peer-to-Peer Remote Copy Pprc and VSE/ESA Software Requirements Pprc Data Flow Pprc Hardware Requirements Invoking peer-to-peer remote copy Examples of Pprcopy Commands SnapShot ConsiderationsPrimary Devices of a Pprc Pair Secondary Devices of a Pprc Pair Setting Up Pprc Paths and Pairs Recovering from a Primary Site Failure Deleting 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 Address Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Appendix A. RVA Functional Device Configuration Functional Device Configuration Functional 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 Noprompt DEFINED-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 Relocation Other Uses of SnapShot IXFP20I Snap Function Completed AT Ddsr Command Syntax of Ixfp Ddsr Command Details Using Ddsr to Delete a Single Data Set Using Ddsr to Delete the Contents of a Volume Report 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 MB JOB 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,80F 50.83 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 Publications Ramac Virtual Array, Peer-to Peer Remote VSE/ESA How to Get Itso Redbooks ∙ E-mail Orders IBM Redbook Fax Order Form Please send me the following Index See CKD Pprc distance Itso Redbook Evaluation Please answer the following questions SG24-5360-00