The SnapMirror log report enables you to view the SnapMirror log file event contents. In order to view the log, you must first enable the log reporting mechanism.
When you click on Report, the first line states where the current SnapMirror Log File contents are kept: in /etc/log/snapmirror.
The SnapMirror log file also shows you
The start time and the end time of the SnapMirror logging process
The start time, end time, and size of each transfer
Any abnormal termination and restart of a transfer
Other SnapMirror-related activities
You can use the raw information provided to do the following:
Calculate the average transfer size.
Calculate the average transfer time.
Look at the number of successful transfers and the failure rate.
Tune the schedule.
Create a notifier for aborted transfers.
Monitor performance on a per-volume level.
Be assured that things are working as planned.