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CICS and VSAM Record Level Sharing: Recovery Considerations

TOP : Application Development

CICS and VSAM Record Level Sharing: Recovery Considerations

This redbook will help you design and maintain your high-availability
transaction processing environment. It will also help you prevent
failures and perform a speedy recovery in an emergency situation. The
redbook explores possible causes of failures and recovery considerations
in a VSAM record level sharing (RLS) environment with CICS Transaction Server for OS/390 Version 1 Release 1 (CICS TS) and DFSMS/MVS Version 1 Release 3 running on a Parallel Sysplex.

RLS is designed to allow VSAM data to be shared, with full update
integrity, among many applications running in one or more MVS
images in a Parallel Sysplex.

The CICS TS shared temporary storage server also uses Parallel Sysplex
facilities, thus allowing sharing of CICS temporary storage. Failure
and recovery considerations for this service are also covered in this redbook.

The book contains examples of and recommendations for the following
major failure events:
- Loss of VSAM access
- MVS system logger failures
- CICS abnormal termination and communication failures
- Shared temporary storage server failures
You should read this book after familiarizing yourself with the planning steps required to implement CICS and VSAM RLS. The best sources of information are the product manuals and the following redbooks, which are companions to this redbook:
- CICS and VSAM Record Level Sharing: Planning Guide, SG24-4765
- CICS and VSAM Record Level Sharing: Implementation Guide, SG24-4766
Price: $44.00 $35.00
Pages: 264
Date Published: June 17, 1997
ISBN: 0738401161
Author: IBM Redbooks
Product Number: SG24-4768-00
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