Disaster recovery simulation
Simulation JCL is identical to that used for disaster recovery, except that it includes syntax that specifies simulation mode and syntax to bypass steps that would cause updates to the system.
For disaster recovery, simulation enables you to perform the following tasks:
- Prove that you can recover the application data in a disaster recovery environment
- Verify that needed recovery resources are valid and available and that log apply can be performed
- Work on your disaster recovery plans before you run an expensive offsite disaster recovery
By using recovery simulation, you can reduce the number of times that you need to run a full offsite disaster recovery scenario. However, while use of recovery simulation reduces the need to test your disaster recovery plans offsite, it cannot replace such tests altogether.
Disaster recovery simulation is divided into two parts:
- Simulation of Db2 system recovery (see Disaster recovery simulation—DB2 system resources)
- Simulation of application recovery (see Disaster recovery simulation—Application resources)
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