OpenReplicator cold pull with MSCS

Hi

i want to use OpenReplicator cold pull with microsoft cluster that using volume mount point so all disk doesnt have a drive letter

should i unconfigure old disks and remove their mount point and after  cutover and masking assign new emc vmax disk and reconfigure them to cluster and add mountpoint

or just unmaks old storage and once cutover is done , assign vmax disk to os and he will add same mountpoint to the new vmax disks

should i do any cluster reconfiguration

Environment

Hyper-V stretch cluster , MSCS 2008