Hi Mani,
You're speaking from 400Gb DB2 data that should be stored on a 100 Gb
disk : considering the fact that TSM client sends an info specifiying
how much data it has to write to the server before really sending the
data, TSM server will automatically choose a pool having appropriate
sizing : in our case, the next pool in your hierarchy : the tape ! My
advice would be to increase the size of your disk pool to have it bigger
than 400 Mb.
Concerning question # 2 : of course backup on disk is faster, but sooner
or later you will have to move that data to tape, to free your disk for
the next backup, and then you'll loose all the benefit of backuping
directly to disk ...
If you are time constrained, you probably should try to initiate
parallel backup using two drives concurrently !
Hope it helped ...
Cheers.
Arnaud
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| Arnaud Brion, Panalpina Management Ltd., IT Group |
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-----Original Message-----
From: Muthyam Reddy [mailto:MREDDY AT JOY DOT COM]
Sent: Tuesday, 04 February, 2003 15:07
To: ADSM-L AT VM.MARIST DOT EDU
Subject: changing tape to disk storage pool
** High Priority **
Hi friends,
We'r taking backup of DB2, 400Gb to TSM tape storage pools and its
taking 14hrs, which is 6hrs more compare to INFORMIX with same setup in
TSM.
Yesterday I have changed 400Gb backup destination to disk storage pool
of size 100Gb with unlimited filesize and after I did validation and
activation of policyset.And I am using tape storage pool as next storage
pool.
My problem,
1)still my production node 400Gb backs up data to tape storage pool and
why its not going to disk storage pool. 2)will it going to save anytime
for me if it copies to diskpools.
pls note: recently we have migrated from Informix to DB2.
thanks and regards
mani.
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