Recreating the data storage problem
If a problem can be easily or consistently recreated, it might be possible to isolate the cause of the problem to a specific sequence of events.
Data read or write problems might be sequence-related, in terms of the operations being performed, or might be an underlying device error or failure.
Typical problems related to the sequence of events occur for sequential volumes. One example would be that a volume is in use for a client backup and that volume is preempted by a data restore from another client node. This situation might surface as an error to the client backup session that was preempted. However, that client backup session might succeed if it was retried or if it was not preempted in the first place.