ADSM-L

Re: Use of copy storage pools

1997-01-28 04:51:25
Subject: Re: Use of copy storage pools
From: CC Masters <cmaster1 AT TUELECTRIC DOT COM>
Date: Tue, 28 Jan 1997 09:51:25 +0000
If a tape gets destroyed you can use RESTORE VOL xxxxxx COPY=copypool
NEW=altprimarypool to restore it back to the disk primary storage poo.

P.A Walmsley wrote:
>
> Dave Cannon wrote:
> >
> > Any primary storage pool, whether disk or sequential-access, can be
> > backed up to a copy storage pool.  So yes, your disk pool can be
> > backed up to tape.  Once a file has been backed up to a copy storage
> > pool, the file can be moved to another primary pool and the copy in
> > the copy pool is still valid (provided, of course that the copy does
> > not get deleted or damaged).  Thus, if you can back up your disk pool
> > before files migrate to tape, you will not need to perform a backup from
> > tape to tape.  However, you may want to do so to ensure that you have
> > backup copies of any files that get migrated before the disk pool is
> > backed up.
> >
> > Dave Cannon
> > ADSM Development
>
> Dave,
> Thanks for your reply. What happens if I use the scenario I suggested
> and then a tape gets destroyed.
>
> If the files were only backed up when in the disc pool how will I be
> able to rebuild the contents of the tape?  Would restore vol work? If so
> would it try and bring the files back to the disc pool?
>
> What I am trying to avoid is having multiply tape devices  connected to
> my server.
>
> Thanks,
> Paul.
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