ADSM-L

AW: How to get a list of tapes needed for a restore via SAP R3 ba ckint

1999-05-05 01:28:27
Subject: AW: How to get a list of tapes needed for a restore via SAP R3 ba ckint
From: Roland Bender <BENDERR AT ING.BOEHRINGER-INGELHEIM DOT COM>
Date: Wed, 5 May 1999 07:28:27 +0200
Well, it seems that we should have a closer look to our concept!

Thanks for the info Bruce   :-)

> -----Ursprüngliche Nachricht-----
> Von:  Bruce Elrick [SMTP:belrick AT HOME DOT COM]
> Gesendet am:  Mittwoch, 5. Mai 1999 03:14
> An:   ADSM-L AT VM.MARIST DOT EDU
> Betreff:      Re: How to get a list of tapes needed for a restore via SAP
> R3 backint
> 
> Roland...
> 
> Rightly or wrongly, ADSM is designed assuming that the primary copy of any
> object is onsite and available in a library or within a resonable period
> by
> operator loading.  Copy storage pools are the mechanism for offsite
> storage
> (and media failure insurance).  Thus ADSM was never designed with the
> thought that primary stgpool volumes would be sent offsite.
> 
> By sending primary copies of files offsite, you are taking responsibility
> from ADSM for tracking what tapes contain what data.
> 
> I'm not saying that what you are doing by sending primary data offsite is
> wrong, it is just outside the parameters of what ADSM was designed for.
> That is why they didn't build a 'preview' operation for data restores from
> primary tape.
> 
> Cheers...
> Bruce
> 
> Roland Bender wrote:
> 
> > Hello to all of you!
> >
> > I face the following problem in our test scenario:
> >
> > We use the backint of SAP R3 to communicate with ADSM.
> > The most recent  backup is available in the 3494 Tape Lib.
> > Older tapes stored offsite.
> >
> > When I start a restore in SAP R3, it gives ADSM the order
> > to provide the tape that is used for the restore.
> >
> > But when I start a restore from the past (maybe three day's
> > ago). ADSM has the tapes not online. Than it gives me a notice
> > in the actlog that I have 60 minutes to check the required
> > tape into the lib. I did that an restart the restore. He used
> > the required tape, but runs to the wall again with the notice
> > in the actlog for the next offsite tape used for this restore.
> >
> > I ask some people who have knowledge of ADSM. They told me that
> > it is not possible to get a list of tape-numbers required for a restore
> > before the restore session started. Is that true? (I can't belive that!)
> >
> > Hope someone can give some better fact's and info's to me.
> >
> > Thanks in advance!
> >
> > Roland Bender
> > A IV ITBR JDS AV2
> > Germany
> >
> > PS: Maybe i should verify my concept! ;-)
> >
> > ADSM
> > Abort Disaster Strange Mistake
> 
> --
> Bruce Elrick, Ph.D.
> mailto:belrick AT home DOT com
> http://members.home.net/belrick/
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