Hello,
Richard's remarks remind me of something. I have a couple of tapes which
were originally written by ADSM V2. If I do a reclamation or a move data
with such a volume it takes much longer than with any other tape written by
ADSM V3. ADSM V2 didn't know aggregates.
Best regards
Gerhard
---
Gerhard Rentschler email:g.rentschler AT rus.uni-stuttgart DOT de
Gerhard Rentschler email:g.rentschler AT rus.uni-stuttgart DOT de
Regional Computing Center tel. ++49/711/685 5806
University of Stuttgart fax: ++49/711/682357
Allmandring 30a
D 70550
Stuttgart
Germany
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Richard Sims
> Sent: Wednesday, February 28, 2001 1:59 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: Longlasting tape-reclamation run
>
>
> > my TSM-server 3.7.2 on AIX 4.3.3 runs a tape-reclamation now for
> >nearly 4 days. Why does it last so long ?
> ...
> >02/28/01 09:26:04 ANR1142I Moving data for collocation
> cluster 3608
> > of 4248 on volume 000059.
>
> Peter - What stands out in the above message is the very large number
> for total clusters (4248). I typically see a number like 23
> when I perform reclamations. This is probably at the root of it.
>
> I have yet to see a good definition, though, as to what a "cluster" is in
> the TSM server context: the only manual that mentions it is the Messages
> manual, and that explains it only as "data objects". I'm wondering if
> you have ended up with a large number of tiny files on the tape due to
> a small TSM transaction size in client-server sessions (TXNBytelimit,
> TXNGroupmax). If your database size is modest, you can probably do a
> Select on the Contents table and check the reported FILE_SIZE to check
> what Aggregate size you are getting. Regardless, no tape reclamation
> should take 4 days. You may want to check with Tivoli Support as to
> what is going on. If you do, and get some insights from them, please
> share with the List.
>
> Richard Sims, BU
>
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