CICS warm restart

This section describes the CICS® startup processing specific to a warm restart.

If you specify START=AUTO, which is the recommended method, CICS determines which type of start to perform using information retrieved from the recovery manager's control record in the global catalog. If the type-of-restart indicator in the control record indicates "warm start possible", CICS performs a warm restart.

Start of changeYou should not attempt to compress a library after a warm start, without subsequently performing a CEMT SET PROGRAM(PRGMID) NEWCOPY for each program in the library. This is because on a warm start, CICS obtains the directory information for all programs which were installed on the previous execution. Compressing a library could alter its contents and subsequently invalidate the directory information known to CICS.End of change

See CICS emergency restart for the restart processing performed if the type-of-restart indicates "emergency restart needed".

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