How to expand or resize the netapp lun which is having snapmirror

Below are the simple steps to expand the or resize the snapmirror lun.

Step 1:  Note down the source volume name and destination volume name

Step 2: ssh into both source and destination netapp controller

Step 3: On the destination or target netapp ssh session  run the below command

            a. priv set advanced
            b. snapmirror break "destination volume name"
            c. vol options "destination volume name" fs_size_fixed off
            d. vol size "destination volume name"  1000g  ( here I am resizing the lun from 500 to 1000 GB)
                 Note: please change the size of the lun according to the requirement
           e.  vol options " destination volume name" fs_size_fixed on

step 4. On the source netapp ssh session run the below command

            a. priv set advanced
            b. vol options "source volume name" fs_size_fixed off
            c. vol size "source volume name"  1000g  ( here I am resizing the lun from 500 to 1000 GB)
                 Note: please change the size of the lun according to the requirement
           d. vol options " source volume name" fs_size_fixed on
       
step 5. On the destination netapp ssh session run the below command
     
           a.snapmirror resync -S sourcefiler:sourcevolumename targetfiler:targetvolumenane