Depends on your current code version.  In most cases, you DON'T need to suspend replication before a code upgrade.  Your installer should know this. 2. How do I go about stop/pause replication You can use either the CLI or Celerra Manager web interface to do this. 3. Not sure why, CLI states fs_replicate as a unknown command!!! This means you are already running Replication V2.  The command is nas_replicate.  Look at the usage and you'll see the suspend command.  Let me know if this answers your questions.  -bill
Folks, kindly answer a simply Q.  i need to pause replication between Site A(Source) and Site B(Destination), Twice.  Reason 1: Am upgrading DART on Site B(Destination) Reason 2: Am upgrading DART on Site A(Source).  Qs: 1. I should stop/pause replication from source - for both of the above circumstances. RIGHT/WRONG? 2. How do I go about stop/pause replication 3. Not sure why, CLI states fs_replicate as a unknown command!!!  Help is greatly appreciated.  Regards, Ash
Supend of replication