IBM SG24-5360-00

SG24-5360-00

Printed in the U.S.A.

RAMAC Virtual Array, Peer-to-Peer Remote Copy, SG24-5360-00

and IXFP/SnapShot for VSE/ESA

IBML

Contents

Main IBML Page Page First Edition (January 1999) Contents iv Page Page Preface The Team That Wrote This Redbook Comments Welcome Chapter 1. The IBM RAMAC Virtual Array 1.1 What Is an IBM RAMAC Virtual Array? IBM RAMAC Virtual Array freespace collection functional devices 1.1.3 Data Compression and Compaction 2 1.2 VSE/ESA Support for the RVA 1.2.1 What Is IXFP/SnapShot for VSE/ESA? 1.2.2 What Is SnapShot? 1.2.3 What Is IXFP? 1.2.3.1 Deleted Data Space Release 4 1.2.3.2 Reporting Functions 1.3 What Is Peer-to-Peer Remote Copy? Implementing PPRC on RVA Page Chapter 2. RVA Benefits for VSE/ESA 2.1 RVA Simplifies Your Storage Management 2.1.1 Disk Capacity 2.1.2 Administration 2.1.3 IXFP 8 2.2 Batch Window Improvement 2.2.1 RAMAC Virtual Array 2.2.2 IXFP/SnapShot for VSE/ESA operational backup interim backups 2.3 Application Development 2.4 RVA Data Availability 10 2.4.1 Hardware 2.4.2 SnapShot 2.4.3 PPRC Page Chapter 3. VSE/ESA Support for the RVA 3.1 Prerequisites 3.2 Volumes 3.3 Host Connection 14 s Guide and ESCON Channel-to-Channel Reference IOCP User 3.4 ICKDSF 3.4.1 Volume Minimal Init 3.4.2 Partial Disk Minimal Init Page Chapter 4. IXFP/SnapShot for VSE/ESA Page Page Page 4.1 IXFP SNAP 4.1.1 A Full Volume Page 4.1.2 A Range of Cylinders 4.1.3 A Non-VSAM File 24 4.2 IXFP DDSR 4.2.1 Expired Files 4.2.2 A Total Volume 4.2.3 A Range of Cylinders 4.2.4 A Specified File IXFP DDSR,PATEV3(DSN=test.data.3),NOPROMPT 4.3 IXFP REPORT id IXFP REPORT,80E,80F IXFP REPORT 28 4.3.1 Device Detail Report 30 4.3.2 Device Summary Report 4.3.3 Subsystem Summary Report Page Chapter 5. Peer-to-Peer Remote Copy 5.1 PPRC and VSE/ESA Software Requirements 34 5.2 PPRC Hardware Requirements 5.3 Invoking peer-to-peer remote copy Device Support Facilities User s Guide and Reference, Release 16 Refresh with Peer-to-Peer Remote Copy 5.4 SnapShot Considerations 5.4.1 Primary Devices of a PPRC Pair 36 5.4.2 Secondary Devices of a PPRC Pair 5.5 Examples of PPRCOPY Commands 5.5.1 Setting Up PPRC Paths and Pairs 5.5.2 Recovering from a Primary Site Failure 5.5.3 Recovering from a Secondary Site Failure 5.5.4 Deleting PPRC Pairs and Paths 5.6 Physical Connections to the RVA 5.6.1 Determining the Logical Control Unit Number for RVA 5.6.2 Determining the Channel Connection Address Page Appendix A. RVA Functional Device Configuration 42 Appendix B. IXFP Command Examples B.1 SNAP Command B.1.1 Syntax 44 B.1.2 Using SnapShot to Copy One Volume to Another Page B.1.3 Using SnapShot to Copy a File from One Volume to Another B.1.4 Using SnapShot to Copy Files with Relocation B.1.5 Other Uses of SnapShot 48 B.1.5.1 Creating a Test Copy of a VSE/ESA System B.1.5.2 Copying Data from a Production Virtual Machine to a Test System B.2 DDSR Command B.2.1 Syntax B.2.2 Using DDSR to Delete a Single Data Set B.2.3 Using DDSR to Delete the Contents of a Volume B.2.4 Using DDSR to Delete the Free Space on an RVA B.3 Report Command B.3.1 Syntax B.3.2 Reporting on the Capacity of a Single Volume B.3.3 Reporting on the Capacity of Multiple Volumes B.3.4 Reporting on the Capacity of the RVA Subsystem B.4 IXFP/SnapShot Setup Job Streams Page Page Page Page Appendix C. VSE/VSAM Considerations C.1 Backing up VSAM Volumes 60 Page Page Appendix D. IOCDS Example Page Appendix E. Special Notices 66 Appendix F. Related Publications F.1 International Technical Support Organization Publications Memo to Licensees s Guide and ESCON Channel-to-Channel Reference IOCP User Page How to Get ITSO Redbooks http://w3.itso.ibm.com/ IBM Redbook Fax Order Form 70 Index B C D E F R See 72 S T ITSO Redbook Evaluation