Farren,
Haa, I was about to send you the same content...!
That was an excerpt from "HELP DEFINE STGPOOL"... (refer to COLLocate
option of DEFINE STGPOOL -- primary sequential access section).
Regards, Rama
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Minns, Farren - Chichester
Sent: Tuesday, November 25, 2008 6:07 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L]
Thank you :-)
Was that in the Admin Guide? And if so, why couldn't I find it ? :-0)
Many thanks again
Farren
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Otto Chvosta
Sent: 25 November 2008 11:04
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L]
HI-MB.w i le!
<49254D18.8020801 AT uni-ulm DOT de>
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> <40F507919CB02E4AA5A48A4F2517A5E8102AD70C4E AT CHI-MB.wiley DOT com>
X-ASG-Orig-Subj: AW: [ADSM-L] Question about group collocation
Subject: AW: [ADSM-L] Question about group collocation
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Rule breakdown below
pts rule name description
---- ----------------------
--------------------------------------------------
Nodes who are not in a group are collocated by node.
---------
If you specify COLLOCATE=3DGROUP but do not define any collocation
groups or if you specify COLLOCATE=3DGROUP but do not add nodes to a
collocation group, data is collocated by node. Be sure to consider
tape usage when organizing client nodes into collocation groups.
For example, if a tape-based storage pool consists of data from
grouped and ungrouped nodes and you specify COLLOCATE=3DGROUP, the
server does the following:
+ Collocates by group the data for grouped nodes only. Whenever
possible, the server collocates data belonging to a group of
nodes on a single tape or on as few tapes as possible. Data
for a single node can also be spread across several tapes
associated with a group.
+ Collocates by node the data for ungrouped nodes. Whenever
possible, the server stores the data for a single node on a
single tape. All available tapes that already have data for
the node are used before available space on any other tape is
used.
---------=20
-----Urspr=FCngliche Nachricht-----
Von: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] Im Auftrag =
von
Minns, Farren - Chichester
Gesendet: Dienstag, 25. November 2008 11:57
An: ADSM-L AT VM.MARIST DOT EDU
Betreff: [ADSM-L] Question about group collocation
Hi all
I currently have a tapepool collocated by node.
I have created my first collocation group and added three client nodes =
to
it.
So, if I now update the tapepool to collocate by 'group', am I right in
thinking it will still collocate all nodes NOT in the collocation group
=
by
node?
Thanks
Farren Minns
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