This section describes how CICS® uses the automatic restart manager (ARM)
component of MVS™ to increase the availability of your systems.
The main benefits of the MVS automatic restart manager are that it:
- Enables CICS to preserve data integrity automatically in the event of any system
failure.
- Eliminates the need for operator-initiated restarts, or restarts by other
automatic packages, thereby:
- Improving emergency restart times
- Reducing errors
- Reducing complexity.
- Provides cross-system restart capability. It ensures that the workload
is restarted on MVS images with spare capacity, by working with the MVS workload
manager.
- Allows all elements within a restart group to be restarted in parallel.
Restart levels (using the ARM WAITPRED protocol) ensure the correct starting
sequence of dependent or related subsystems.
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