Move data from one Storage Unit to another Storage Unit

Hi Folks,

I am trying to move backup data from Disk Storage Unit to another Unit. I tried the below method but the "Duplicate" option is diabled when i right click the backup images.

http://www.symantec.com/connect/forums/migrating-s...

Work Example:

Source: Drive "D:\"   --> SAN mount point (fata disks) and allocated four folders as STU (data consists of Exhange DB,file system etc)

Destination: Drive "G"\   --> New SAN mount point (SAS 15K RPM disks)

Could anyone tell me how to move the data and should preserve all backup policy settings and retention period.

Regards,

Veera