ADSM-L

Re: Mystery of the vanishing tapes...

1999-04-11 07:31:00
Subject: Re: Mystery of the vanishing tapes...
From: Kenneth Bury <kbury AT CAROLINA.RR DOT COM>
Date: Sun, 11 Apr 1999 07:31:00 -0400
Our operations people have brought the same problem to my attention. I
haven't had a chance to look into it in much depth -- yet. Our server is
3.2.0 on AIX.

Kenneth Bury
kbury AT carolinas DOT org

> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Bruce Elrick
> Sent: Friday, April 09, 1999 23:57
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: Mystery of the vanishing tapes...
>
>
> Scott,
>
> are you doing incremental DB backups?  One possibility is the
> fact that all the
> backups in a series (full followed by a number of incrementals
> but not the following
> full) have to expire as a group (I think) so perhaps the ones
> that were in vault
> status two days ago were really 11 days old but not allowed out
> of vault status
> until a day ago when a new full was done.  Then today the del
> volh tramples on the
> volume that is 12 days old.
>
> Note: I am speculating and have actually confirmed  the details
> of the behavious I
> am speculating on.
>
> Interesting problem, though...
> Bruce
>
> Scott Fluegge wrote:
>
> > I have a problem with one of my ADSM servers.  It keeps
> "forgetting" about a
> > couple of its Disaster-recovery tapes.  I have this server
> configured the same
> > as my other servers and they do not have the problem.  I have
> checked to make
> > sure that I had the following settings:
> >
> >   DB Backup Series Expiration Days: 7 Day(s)
> >
> > And when I do delete my volhist I do:
> > delete volhistory todate=-12 type=dbbackup
> >
> > This should insure that ADSM DB Backups are in the vault
> retrieve state for five
> >  days!  Yet just yesterday I lost two
> > more tapes that were in the vault status the day before!  I now
> do an inventory
> > comparison between what is in the vault
> > what ADSM thinks is in the vault.  I have to do this every day!
>  Not fun...
> >
> > Anyone ever have this problem and know why?  I am going to
> start making a list
> > of all tapes in the vault (f=d) so
> > I can see what type of tape they are (copy pool or db).
> >
> > The server in question is "ADSM Server for AIX-RS/6000 -
> Version 3, Release 1,
> > Level 2.15".  The other servers that
> > do NOT have this problem are running "Version 3, Release 1, Level 1.5 "
> >
> > This is really driving me nuts!  Please help!
> >
> > Thanks,
> >
> > Scott
>
> --
> Bruce Elrick, Ph.D.
> mailto:belrick AT home DOT com
> http://members.home.net/belrick/
>
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