See Recovery and restart operations for DBCTL.
- Use emergency restart, not cold start after a DBCTL failure.
- Log management--CICS system log and DBCTL (IMS™) log.
- DBCTL uses two-phase commit, for which CICS® system log is needed.
- Implementing DBRC.
- Resolving in-doubt threads, using the pseudo recovery token and DBCTL
CHANGE CCTL command.
- High speed sequential processing (HSSP) and image copy, if used. (See High speed sequential processing (HSSP) and the IMS Release Planning Guide.
- Online image copy.
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