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
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What Is an IBM Ramac Virtual Array?
IBM Ramac Virtual Array
Overview of RVA and the Virtual Disk Architecture
Log Structured File
Data Compression and Compaction
− Functional track table
What Is IXFP/SnapShot for VSE/ESA?
What Is SnapShot?
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 Benefits for VSE/ESA
RVA Simplifies Your Storage Management
Disk Capacity
Administration
Ixfp
Batch Window Improvement
Ramac Virtual Array
IXFP/SnapShot for VSE/ESA
Application Development
RVA Data Availability
Hardware
SnapShot
Pprc
Ramac Virtual Array, Peer-to Peer Remote VSE/ESA
VSE/ESA Support for the RVA
Prerequisites
Volumes
1 VSE/ESA Input/Output Configuration Program
Host Connection
Volume Minimal Init
Partial Disk Minimal Init
Assgn
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
Phys
AR 0015 CUU DEF
Defined
Full Volume
Ixfp Snap
Reply ′ YES′ to Proceed
VSE/VSAM
Range of Cylinders
Non-VSAM File
Expired Files
Total Volume
Ixfp DDSR,PATEV3
Ixfp DDSR,PATEV30000-0999,NOPROMPT
Specified File
Ixfp DDSR,PATEV3DSN=′ test.data.3′ , Noprompt
Ixfp REPORT,80E Ixfp REPORT,80F
Ixfp REPORT,80E,80F
Ixfp 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 Considerations
Primary Devices of a Pprc Pair
Secondary Devices of a Pprc Pair
Setting Up Pprc Paths and Pairs
Recovering from a Primary Site Failure
Recovering from a Secondary Site Failure
Deleting Pprc Pairs and Paths
Physical 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
Appendix B. Ixfp Command Examples
Snap Command
Syntax
Ramac Virtual Array, Peer-to Peer Remote VSE/ESA
Using SnapShot to Copy One Volume to Another
Noprompt
AR 0015 Capacity
DEFINED-CAPACITY
Test 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
Using Ddsr to Delete the Free Space on an RVA
Report
AR+0015 IXFP29D Ddsr for For Deletion
Report Command
Reporting on the Capacity of a Single Volume
Reporting on the Capacity of Multiple Volumes
Reporting on the Capacity of the RVA Subsystem
Device Detail Report FUNC. Capacity MB
IXFP/SnapShot Setup Job Streams
JOB WCWTEST1
Exec DTRIATTN,PARM=′ Ixfp REPORT′
BG 0000 // JOB Initdisk
BG 0000 1A86I Following Assignments are Released
Ixfp 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 Publications
Redbooks on CD-ROMs
Other Publications
Ramac Virtual Array, Peer-to Peer Remote VSE/ESA
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