ADSM-L

Linux as TSM Server; ATA DiskArrays; SSA-diskpool copypool speeds (3 totally unrelated questions for the price of one!)

2002-10-24 19:34:27
Subject: Linux as TSM Server; ATA DiskArrays; SSA-diskpool copypool speeds (3 totally unrelated questions for the price of one!)
From: Steve Schaub <Steve.Schaub AT HAWORTH DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 24 Oct 2002 15:32:42 -0400
I have 3 questions I have been pondering for a few weeks and would like
input on:

1. Running TSM Server under Linux on Intel
Has anyone started running TSM Server under Linux yet, and if so, would
you be willing to provide feedback?
Our current environment is TSM 4.2 running on a NetStore (3466-C00) with
4cpu, 2gb-ram and ssa disk for db/logs and all diskpools.  NSM is being
discontinued and we have no AIX admin (HP-UX shop starting to add
Linux).  Suport $ for the rs/6000 is also increasing dramatically.  I
would like to consider using a beefy Intel box (Compaq/Dell/IBM) or even
a cluster of less beffy machines if the bottom line looks good and it
works.  We could use W2K but I'm not quite ready to take the plunge into
the "dark side".

2. Using ATA Disk Array for nearline storage
With STK and others coming out with lower cost disk arrays based on ata
disk, has anyone considered using one as nearline?  We have about 20TB
on tape, and if I could keep all our backup on a disk array and only use
tape for DRM I could cut down on a lot of tape processing/cost and avoid
buying more drives.  Thoughts?

3. We currently use SSA disk for our db/logs as well as all our
diskpools.  Our stgpool backup from diskpools to DRM tape only achieves
about 5mb/sec, which I don't consider very good.  Is this really
reasonable, and if not, where would be a good place for me to start
troubleshooting (remember with NSM I am very limited in what I can do on
the box).

Steve Schaub
Systems Engineer
Haworth, Inc
616-393-1457 (desk)
616-836-6962 (cell)
WWJWMTD

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