Tom, Yes, that's exactly how it works. Just make sure you list enough volumes to always have one of them in your library, plus maybe a buffer. I had a 7 day retention on my database backups, plus one day transit back from the vault, so I used 10 volumes, and never had an issue. Nick Cassimatis [EMAIL PROTECTED] He who laughs last has a good backup. "Kauffman, Tom" <[EMAIL PROTECTED] COM> To Sent by: "ADSM: [EMAIL PROTECTED] Dist Stor cc Manager" <[EMAIL PROTECTED] Subject .EDU> backup database command specifying tape volumes 07/12/2004 04:26 PM Please respond to "ADSM: Dist Stor Manager" I'm about to have mixed media (lto1 and lto2) in the same library. All the drives will be lto2. I intend to set the lto2 media as scratch and define the lto1 media to specific storage pools. Our current D/R hotsite contract is for lto1 drives, so I'm planning on using the lto1 media for all my copy pools. Having said that - I need to make sure my database backups go to lto1 media. I've never used the 'volumes' parm on the backup database command before. If I issue the command "backup database devclass=lto type=full volumes=v1,v2,v3,v4" will tsm use the first available volume in the list, or will it ignore the command if v1 is already an un-expired database backup? In other words, how creative do I need to be in my automated backup script? Tom Kauffman NIBCO, Inc
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