Quote Originally Posted by conorn View Post
Just to be clear - to extend a volume I must stop Failover?
Yes and you must modify the volume and remove the Replication task associated with it then apply and then modify again with the added capacity and add the Replication again.

See video below explaining this procedure.

http://www.open-e.com/service-and-su...ts-and-videos/
2011.09.20 Cluster Storage solutions for expanding FC, iSCSI and NAS Volumes