DFS3442I CHECKPOINT IS DEFERRED - ONLINE CHANGE COMMIT IS IN PROGRESS
Explanation
A simple checkpoint was initiated but is deferred because online change commit is in progress. The simple checkpoint was initiated either by a /CHECKPOINT command or internally by IMS because the CPLOG value was reached.
System action
The simple checkpoint is deferred. When online change commit completes, IMS initiates a simple checkpoint internally.
Operator response
No action is required.