ADSM-L

Re: DRM / backingup STG POOLS

1998-09-23 09:56:40
Subject: Re: DRM / backingup STG POOLS
From: Ben Kokenge <ben AT EDMS DOT NET>
Date: Wed, 23 Sep 1998 08:56:40 -0500
Y'all were right.  Not only the migrated stuff, but I have set if a file is 
larger
the 100MB go directaly to tape.  I would have missed those too.

Thanks Doug, Glen, and Simon.

-Ben
Doug Thorneycroft wrote:
Doug Thorneycroft wrote:

> It's a good idea to backup the tapepool just in case any large files
> bypassed the diskpool and wrote directly to tape, or automatic migration
> kicked in and some data was migrated from disk to tape before you ran
> the backup diskpool.
>
> Adsm remembers which files were backed up before migration, and doesn't
> back them up again. The final backup of the tapepool only takes a few
> seconds.
>
> Ben Kokenge wrote:
> >
> > I want to be sure here so it does not haunt me later.
> >
> > Here is what we do:
> >
> > Everyday we:   BACKUP STGPOOL  backupDISKpool copypool
> >
> > then we:        migrate backupDISKpool to backupTAPEpool.
> >
> > Now, do I need to backup the backupTAPEpool or not?  I figure not because
> > I have backedup the DISKpools before I migrated them to tape.
> > If I back up the primary tape pools, it would be redundent...right?
> >
> > To check things, I ran a:   BACKUP STGPOOL backupTAPEpool copypool
> > and data moved.   Why?
> >
> > ADSM is much smarter than I am, so I figure I must be doing something
> > wrong.  Or does ADSM not know that it already backedup the data from
> > the disk pools?
> >
> > -Ben
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