IBM SG24-5360-00 manual Contents

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Chapter 4. IXFP/SnapShot for VSE/ESA
Chapter 3. VSE/ESA Support for the RVA

Contents

Preface

vii

The Team That Wrote This Redbook

vii

Comments Welcome

viii

Chapter 1. The IBM RAMAC Virtual Array

1

1.1 What Is an IBM RAMAC Virtual Array?

1

1.1.1 Overview of RVA and the Virtual Disk Architecture

1

1.1.2Log Structured File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.3 Data Compression and Compaction . . . . . . . . . . . . . . . . . . . . 2

1.2VSE/ESA Support for the RVA . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2.1What Is IXFP/SnapShot for VSE/ESA? . . . . . . . . . . . . . . . . . . . 3

1.2.2

What Is SnapShot?

3

1.2.3

What Is IXFP?

4

1.3

What Is Peer-to-Peer Remote Copy?

5

Chapter 2. RVA Benefits for VSE/ESA

7

2.1

RVA Simplifies Your Storage Management

7

2.1.1Disk Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1.2Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.3 IXFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2Batch Window Improvement . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2.1RAMAC Virtual Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2.2IXFP/SnapShot for VSE/ESA . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3Application Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4RVA Data Availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.1Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4.2SnapShot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.4.3PPRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

. . . . . . . . . . . . . . . . . . . . . . 13

3.1Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.2Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.3Host Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.3.1 VSE/ESA Input/Output Configuration Program . . . . . . . . . . . . . . 14

3.4ICKDSF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.4.1Volume Minimal Init . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.4.2Partial Disk Minimal Init . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

. . . . . . . . . . . . . . . . . . . . . . . 17

4.1IXFP SNAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.1.1A Full Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.1.2A Range of Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.1.3A Non-VSAM File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

4.2IXFP DDSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.2.1Expired Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.2.2A Total Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.2.3A Range of Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.2.4A Specified File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3IXFP REPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3.1Device Detail Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.3.2Device Summary Report . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

© Copyright IBM Corp. 1999

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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 Team That Wrote This Redbook PrefaceYour comments are important to us Comments WelcomeIBM 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 CompactionVSE/ESA Support for the RVA What Is IXFP/SnapShot for VSE/ESA?What Is SnapShot? 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 Disk Capacity RVA Benefits for VSE/ESARVA Simplifies Your Storage Management Batch Window Improvement AdministrationIxfp IXFP/SnapShot for VSE/ESA Ramac Virtual ArrayHardware Application DevelopmentRVA Data Availability Pprc SnapShotRamac Virtual Array, Peer-to Peer Remote VSE/ESA Prerequisites VSE/ESA Support for the RVAHost Connection Volumes1 VSE/ESA Input/Output Configuration Program Partial Disk Minimal Init Volume Minimal InitAssgn ExecRamac Virtual Array, Peer-to Peer Remote VSE/ESA System VSE/ESA User Time IXFP/SnapShot for VSE/ESASample Batch Job to Invoke Ixfp Report Function DTRIATTN,PARM=′ Ixfp REPORT′IXFP/SnapShot for VSE/ESA Phys DetailAR 0015 CUU DEF DefinedIxfp Snap Full VolumeVSE/VSAM Reply ′ YES′ to ProceedRange of Cylinders Non-VSAM File Expired Files Ixfp DDSR,PATEV30000-0999,NOPROMPT Total VolumeIxfp DDSR,PATEV3 Ixfp DDSR,PATEV3DSN=′ test.data.3′ , Noprompt Specified FileIxfp Report Ixfp REPORT,80E Ixfp REPORT,80FIxfp REPORT,80E,80F Device Detail Report Sample Output of Ixfp Report CommandRamac Virtual Array, Peer-to Peer Remote VSE/ESA Subsystem Summary Report Device Summary ReportRamac Virtual Array, Peer-to Peer Remote VSE/ESA Peer-to-Peer Remote Copy Peer-to-Peer Remote CopyPprc Data Flow Pprc and VSE/ESA Software RequirementsInvoking peer-to-peer remote copy Pprc Hardware RequirementsSnapShot Considerations Examples of Pprcopy CommandsPrimary Devices of a Pprc Pair Secondary Devices of a Pprc PairRecovering from a Primary Site Failure Setting Up Pprc Paths and PairsPhysical Connections to the RVA Recovering from a Secondary Site FailureDeleting Pprc Pairs and Paths Determining the Channel Connection Address Determining the Logical Control Unit Number for RVARamac Virtual Array, Peer-to Peer Remote VSE/ESA Functional Device Configuration Appendix A. RVA Functional Device ConfigurationFunctional Device Configuration Screen CD23 Syntax Appendix B. Ixfp Command ExamplesSnap Command Ramac Virtual Array, Peer-to Peer Remote VSE/ESA Noprompt Using SnapShot to Copy One Volume to AnotherTest Prod Overall Test Prod AR 0015 CapacityDEFINED-CAPACITY Using SnapShot to Copy Files with Relocation Using SnapShot to Copy a File from One Volume to AnotherIXFP20I Snap Function Completed AT Other Uses of SnapShotSyntax of Ixfp Ddsr Command Details Ddsr CommandUsing Ddsr to Delete the Contents of a Volume Using Ddsr to Delete a Single Data SetAR+0015 IXFP29D Ddsr for For Deletion Using Ddsr to Delete the Free Space on an RVAReport 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 MBExec DTRIATTN,PARM=′ Ixfp REPORT′ IXFP/SnapShot Setup Job StreamsJOB WCWTEST1 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 PublicationsRamac Virtual Array, Peer-to Peer Remote VSE/ESA ∙ E-mail Orders How to Get Itso RedbooksPlease send me the following IBM Redbook Fax Order FormSee CKD IndexPprc distance Please answer the following questions Itso Redbook EvaluationSG24-5360-00
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