CQS cold start

When CQS restarts after a structure cold start, CQS cold start processing is automatic. You do not need to take any action. CQS takes a system checkpoint and then CQS restart is complete.

When CQS cold starts after a structure warm start or a structure recovery, CQS reads the structure to find unresolved work. CQS backs out requests to move data but completes requests to delete data. CQS performs a system checkpoint and restart is complete.

No log records are read or processed when CQS is cold started.

To cold start CQS, you must:

Procedure

  1. Scratch the CQS system checkpoint data set for the structure.
  2. Reply COLD to the CQS0031A WTOR.