ADSM-L

Re: Tape Reclaimation Doubts

2015-10-04 17:41:28
Subject: Re: Tape Reclaimation Doubts
From: Dwight Cook [mailto:decook AT AMOCO DOT COM]
To: ADSM-L AT vm.marist DOT edu
     Also (and/or) if you have collocation turned on it will be writing the
     data to a "filling" tape owned by the same node, which might just have
     some expired data on it...

     Also in controlling reclamation yourself... I've found it may be
     useful to drive it with administrative scheduled events such as :
     11:00 - upd stg tapepool recl=95
     11:30 - upd stg tapepool recl=90
     12:00 - upd stg tapepool recl=85
     13:00 - upd stg tapepool recl=80
     14:00 - upd stg tapepool recl=100 (to turn it back off again)

     if you make one big jump to recl=80 it might process a bunch of 81%
     reclaimable prior to processing some 99% reclaimable... the above
     method will get you the most, the quickest.

     Dwight


______________________________ Reply Separator
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Subject: Re: Tape Reclaimation Doubts
Author:  Rene.Lambelet (Rene.Lambelet AT NESTLE DOT COM) at unix,mime
Date:    7/15/99 8:06 AM


Hello,

could you please indicate the release/level of your server?

Rene Lambelet
Nestec SA - 55, Av. Nestle - CH-1800 Vevey
Tel: ++41'21'924'35'43 / Fax: ++41'21'924'45'89
E-Mail: rene.lambelet AT nestle DOT com



> -----Original Message-----
> From: Arshad Munir [SMTP:arshadmunir AT HOTMAIL DOT COM]
> Sent: Thursday, July 15, 1999 2:59 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Tape Reclaimation Doubts
>
> Hello ADSMers,
>
> I yet ran into another doubt. I have 3590 tapes, I put
> my recalimation % to 100 to control myself the process.
> When I see that a volume has more than 60% reclaimable
> I lower my threshold & recliamation starts. I do run
> expire inventory before this process.
> What suprises me is that after all data is moved to new tape
> the new volume also shows almost 30% of reclaimable space.
> Why is that? or am I make any mistake.
>
> Thanks in advance
>
> Arshad Munir
>
>
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