Recovery and restart operations for DBCTL

Covers recovery and restart, commit protocols and resolving indoubt units of work.

Overview of CICS and IMS recovery and restart
CICS® and IMS perform similar recovery functions, but there are differences in terminology and in implementation.
Commit protocols and units of recovery for DBCTL
This section describes what happens when a transaction has updated DBCTL databases, and is issuing a syncpoint, or a TERM request, or is terminating. If a failure occurs at any of these stages, DBCTL might not be able to determine whether CICS intended these updates to be backed out or committed and must request this information from CICS when it has been reconnected.
IMS database utilities
DBCTL enables you to use utilities that IMS provides to help with the backup and recovery of your databases.
IMS log utilities
DBCTL enables you to use the following IMS log utilities: the log archive utility, the log recovery utility, and the file select and formatting print utility.
Component failures in the CICS DBCTL environment
This section discusses the impact of failures of different components of a CICS-DBCTL environment and of transaction and thread failures.

Parent topic: Administering DBCTL