How to move CIFS from PDM to VDM?

There is a process within EMC to move the PDM to VDM for CIFS environment. Moving PDM to VDM requires EMC approval and EMC approved documents and would need to engage a real Celerra expert. This is typically done by cifs_move command. EMC recommends CIFS environment to be on VDM. Downtime required to move from PDM to VDM on production environment; it could be 2 to 3 hours for moving and validation.