If you have enough scratch tapes, you could consider colocation by filespace, then divide the filespaces roughly by size into 8 groups (or however many tape drives you want to assign) and start 8 restores. They would be guaranteed to be on separate tapes becuase of the collocation.
On Wed, 23 Jun 2004, MC Matt Cooper (2838) wrote: > Hello all, > I received no responses from my previous post 'Need your > thoughts on best RESTORE approach'. So with just my own research I have > found that TSM does NOT have anything to manage a multi-filespace, > multi-session restore that is not relying on the user to prevent 2 > sessions asking for the same tape. (please tell me I am wrong) > ( reference the section in the (AIX) client book on LARGE RESTORES, > NO QUERY, it is set up for a single filespace (NO WILDCARDS) > In my case I will have 60+ filesspaces on 6+ tapes with 8 tape drives > available and have to start from the command line (actually scripted) to > start a session for each tape drive. The real problem is preventing > more than 1 session from asking for the same tape. I believe I can find > the necessary information to write the script from quering the > volumeusage and volume tables and doing the restore comands from there. > I would guess I am not the first one to approach this problem and hate > to spend my time trying to script this when someone else, (who is most > likely much better at scripting than me) has already done it. > > Does anyone have a script that will arrange/control the submission of > multiple restore sessions to avoid having sessions having to wait for > other sessions to finish using a tape? > > > Thanks in advance > Matt > >
