From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On 
>I have a new tapepool that I only use for a couple of nodes 
>that is using
>colocation. Can I change the status of a tape that is in that pool to
>readonly so I can remove it, even though it is not full? Will 
>TSM then grab
>a new tape to use, or will it complain because the "not full" 
>tape is not
>available and the backup fail?
>
>If so then I can rotate these tapes by marking them readonly 
>and readwrite
>weekly since I am only doing a weekly backup for this special 
>node. Not that
>hard to test out, but I thought I may get an answer faster 
>through you guys.

You could do that. You could also run a regular nightly backup (no
collocation) of the node, and then run a weekly backupset of the node.
That gives you a collocated weekly "snapshot" of the entire client.
There is no tape volume access flipping to be remembered, and you don't
have to have a special storage pool for just those 2 or 3 clients.
Backupsets' expiration periods are easy to set, so you can get rid of
those you don't need anymore.

--
Mark Stapleton