Before Re-sizing Netapp Snap Mirrored Volume

One Cannot resize the mirrored volume (read-only), You need to break the mirror relation to re-size a volume.

Below is the procedure how we perform the resize

FAS01 in Site A, to a FAS02 in Site B

1) Break the mirror on FAS02 in Site B

2) Resize the volume of FAS01 in Site A

3) Resize the FAS02 in Site B backup Volume with same size of volume FAS01 in Site A primary volume

    (You can keep the destination much higher in space.)

4) Backup volume FAS02 in Site B should be in offline mode

5) Now Intialize the sanpmirror on FAS02 in SiteB

Done :)