How do you migrate LUNs under volumes from 32-bit to 64-bit?

A.
lrep

B.
ndmpcopy

C.
rsync

D.
snapvault

Explanation:
http://wafl.co.uk/ndmpcopy/
Think of ndmpcopy as a sort of ftp for SAN. You can use it to copy files from one volume to

another. Becausethe file is read from one volume and written to another, the constraints of volume
types are not an issue.