User:Tauseef1102/sandbox

CICS Recovery/Restart
CICS Recovery/Restart : Objective of recovery/restart in CICS is to minimize and if possible eliminate damage done to Online System when a failure occurs, so that system and data integrity is maintained.

Under CICS, following are some of the resources which are considered recoverable. If one wishes these resources to be recoverable then special options must be specified in relevant CICS control tables


 * VSAM files
 * Intrapartition TDQ
 * Temporary Storage Queue in auxiliary storage
 * I/O messages from/to transactions in a VTAM network

CICS offers extensive recovery/restart facilities for users to establish their own recovery/restart capability in their CICS system. Following are commonly used recovery/restart facilities.


 * Dynamic Transaction Backout (DTB)
 * Automatic Transaction Re-start
 * Resource Recovery using System Log
 * Resource Recovery using Journal
 * System Restart
 * Extended Recovery Facility