ADSM-L

Re: [ADSM-L] ANR1534I and DEDUPREQUIRESBACKUP ?

2012-10-01 07:28:15
Subject: Re: [ADSM-L] ANR1534I and DEDUPREQUIRESBACKUP ?
From: Stefan Folkerts <stefan.folkerts AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 1 Oct 2012 13:25:15 +0200
Would using private volumes (that would allow for easy migrate vol commands
in housekeeping scripts) together with a cron/shell script that checks for
the filling of these volumes and start extra migrates when needed do the
trick?



On Fri, Sep 28, 2012 at 10:38 PM, Paul Zarnowski <psz1 AT cornell DOT edu> 
wrote:

> Wanda,
> I understand your dilemma.  We are working on deploying dedup now, and are
> trying to figure this out too.  Like you, we want to have fast and slow
> pools, but we want a safety valve in case the fast pool fills up.  We
> haven't figured out how to do this, short of allocating extra space to try
> to ensure that a safety valve is never needed.
>
> Let us know if you figure something out!
>
> ..Paul
>
> At 12:18 AM 9/25/2012, Prather, Wanda wrote:
> >Need some help understanding the mechanics here, TSM 6.3 on Windows
> server with DEDUP.
> >
> >I have a TSM file pool called FASTDEDUP with deduplication on, and
> NEXTSTGPOOL points to a second dedup filepool called SLOWDEDUP.
> >DEDUPREQUIRESBACKUP is set to yes.
> >
> >So the first pool FASTDEDUP ran out of space, and BACKUP STGPOOL had not
> run, so it couldn't run reclamation with dedup or migrate to SLOWDEDUP.
>  That I understand.
> >
> >I tried a MOVE DATA from FASTDEDUP to SLOWDEDUP, and got ANR1534I
> (below).  I figured out that's WAD, because the doc says move data does
> cause data reduction, which is forbidden by DEDUPREQUIRESBACKUP until after
> the backup stgpool has run.
> >
> >So then I tried a MOVE DATA from FASATDEDUP to a tapepool, and still got
> ANR1534I.  Why is that?  I'm asking to move data that hasn't been deduped
> to a non-dedup pool.   If this is WAD, can somebody explain the rationale?
> >
> >
> >
> >ANR1534I
> >
> >Process process ID skipped Num Files deduplicated files on volume Volume
> name because copies of the files were not found.
> >
> >
> >Wanda Prather  |  Senior Technical Specialist  | Wanda.Prather AT icfi DOT 
> >com |
> www.icfi.com
> >ICF International  | 401 E. Pratt St, Suite 2214, Baltimore, MD 21202 |
> 410.539.1135 (o)
>
>
> --
> Paul Zarnowski                            Ph: 607-255-4757
> CIT Infrastructure / Storage Services     Fx: 607-255-8521
> 719 Rhodes Hall, Ithaca, NY 14853-3801    Em: psz1 AT cornell DOT edu
>

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