Collocation is either on or off for a storage pool, group allows more
granularity for those smaller nodes.
----- Original Message -----
From: "Robben Leaf" <robben.leaf AT USBANK DOT COM>
To: <ADSM-L AT VM.MARIST DOT EDU>
Sent: Thursday, September 27, 2007 5:51 PM
Subject: Re: [ADSM-L] Tapes with a status of filling.

We have found that if you have a storage pool's collocation parameter set
to Group, but you have nodes that aren't in a collocation group, TSM
treats
each such node as if it were in its own group - thus, each such node's
data
gets written to its own set of tapes. If you have a lot of
un-collocation-grouped nodes writing to that storage pool, it will put a
lot of tapes into the filling state.

Robben Leaf




            "Richard Sims"
            <rbs AT BU DOT EDU>
            Sent by: "ADSM:                                            To
            Dist Stor                 ADSM-L AT VM.MARIST DOT EDU
            Manager"                                                   cc
            <[email protected]
            .EDU>                                                 Subject
                                      Re: [ADSM-L] Tapes with a status of
                                      filling.
            09/27/2007 11:04
            AM


            Please respond to
            "ADSM: Dist Stor
                Manager"
            <[email protected]
                  .EDU>






On Sep 27, 2007, at 11:57 AM, Ochs, Duane wrote:

Any quick ideas on why I'm seeing an increase on volumes with low
usage,
no errors and a status of filling ?

I think it has to do with my migrations getting completed and the
thresholds being set to 0 for longer than necessary.

Duane -

See   Tape leak
and   Shrinking (dwindling) number of available scratch tapes ("tape
leak")
in    http://people.bu.edu/rbs/ADSM.QuickFacts
for the standard reason for this.  If other causes found, let me know.

  Richard Sims




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