IBM SC34-7012-01 - Manual (Page 23)

The CICS recovery manager then uses the information retrieved from the system
log to:
v Back out recoverable resources.
v Recover changes to terminal resource definitions. (All resource definitions
installed at the time of the CICS failure are initially restored from the CICS
global catalog.)
A special case of CICS processing following a system failure is covered in
Chapter 6, “CICS emergency restart,” on page 61.
Chapter 1. Recovery and restart facilities 11