Executing recovery-related functions

While IMS is running, an IMS system programmer or operator might need to execute functions relating to the recoverability of the system. You can initiate recovery through the type-1 and type-2 IMS commands.

You must ensure that resource definitions have been exported to a resource definition data set (RDDS) if you use DRD and perform a cold start from an RDDS. Otherwise, any resource changes made dynamically are lost across a cold start.