What happens if you change a destination volume name
If you change the name of a SnapMirror destination volume, you need to manually correct the SnapMirror relationships affected by the change. SnapMirror will be unable to replicate source volume data to a newly-named destination volume whose configuration information is incomplete.
Troubleshooting issues related to SnapMirror over Fibre Channel
You might come across certain issues when setting up a SnapMirror over Fibre Channel connection. The following table lists some of the problems you might encounter and recommends ways to tackle these issues.