Best way to replace current backup disk with new disk

[dmcmillen]

(1) I currently have disk M: where I backup my files to. 

(2) I have a new larger disk (currently I: and different label than M:) which I now want to use for my backup files. 

I have no problem moving existing backup files to the new disk with SSR, but the caveat is that when done I want to change M: to say Z: and then change I: to M:  The reason is, of course, that I want my backup drive to continue to be drive letter M: with my new backup drive.

What would be the best way to do this without causing the backup files to be orphaned. 

Thanks for the help -- David

[VJware]

Use the following KB to move the backup destination -

https://support.symantec.com/en_US/article.HOWTO21385.html

Once done, disconnect M:\ drive and then change the drive letter of the I:\ to M:\

Lastly, you may have to edit the backup job just to make sure it is targetted to the right storage.