Restarting a CMAS

A CMAS that was shut down normally (using the CICSPlex® SM SHUTDOWN action command) can usually be restarted with a SIT parameter of START=AUTO. However, you must specify START=COLD if you have:

If a CMAS terminates abnormally (that is, through any means other than the CICSPlex SM SHUTDOWN action command), you must perform an emergency restart to allow CICS to perform backout processing. You can accomplish an emergency restart of a CMAS in one of two ways:

A CMAS should initialize and function properly after an emergency restart, provided you have made no changes to the CICS resource definitions or CICSPlex SM connection definitions.

If you have made any such changes since the last run of the CMAS (that is, the one that terminated abnormally), the CMAS may not function properly. In that case, you should shut down the CMAS with the CICSPlex SM SHUTDOWN action command and restart it, specifying START=COLD. For an illustration of the SHUTDOWN action command, see Shutting down a CMAS.

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