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