ADSM-L

Re: Tape Pull Lists

1996-11-20 14:22:09
Subject: Re: Tape Pull Lists
From: Chester Martel <cmartel AT PEACH.FRUIT DOT COM>
Date: Wed, 20 Nov 1996 13:22:09 -0600
Jim Dew wrote:
>
> Has Anyone come up with a way to generate a fairly accurate list of tapes
> that ADSM will use in the next backup and reclamation cycles? We're
> running ADSM 2.1 on MVS backing up several AIX and OS/2 servers.  It
> looks like we're mounting 100-120 tapes per day about 80% of those are
> specific mount requests. Our operator's are being run ragged from the
> frequent trips to the tape vault.
>
> Ideally we'd like to have most, if not all, of the tapes we'll use each
> day pulled and staged for ADSM processing. Unfortunately, we do not have
> a robotic tape subsystem.
>
> We tried generating a list by querying the server database for tapes in a
>  readw and reado status and access=onsite.  We then extracted the volumes
> that were below our reclamation threshold and in a filling status. The
> list that resulted still not have many of the volumes needed because
> "virtual" reclamation of the copy storage pool volumes that are stored
> off-site.
>
> Any ideas would be greatly appreceiated. IBMers: is this something that
> is being addressed in a fututre release.
>
> Jim Dew
> Quantum Chemical Company
> jadew AT ibm DOT net

At my last installation, ADSM mounts was one of the three reasons we
purchased a robotic systems, the other two reasons were hsm mounts and
faster average mount time (avg 17 sec).
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