I recommend the System Manager interface esp for training team members who touch the command line infrequently.
We just used it today - I just happen to know the source:dest snapmirror mappings, but he was able to navigate SM UI to find the mapping and resize both source and destination with a few clicks.

Shrinking however does require a snapmirror break in my experience: 

http://www.vmadmin.info/2011/04/shrinking-snapmirror-destination.html

Fletcher.

On Jun 4, 2013, at 6:25 PM, Iluhes <iluhes@yahoo.com> wrote:

Hello Toasters,
What is the best procedure to grow a volume on the vFiler that is a source in VFiler DR setup.
Is there a need to break / queues replication somehow 
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