This is more of a general or best practice question for on-line DB backups.
I'll get a page for a DB that is about to fall over because it cant pass the
archive logs to TSM fast enough and the archive log space is filling. When I
look at the log size they are passing its usually something
Depending on how you set up your collocation (File Systems, Server or Server
Group). If you chose collocation by file system then you would mount a tape
for each file sys, if you set by server then a mount per server etc ...
Hope that helps.