ADSM-L

TSM Server and DS43000 setup

2005-07-28 09:13:02
Subject: TSM Server and DS43000 setup
From: David McClelland <david.mcclelland AT UK.IBM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 28 Jul 2005 13:57:44 +0100
Hi Guys,

Good to be back after a little break away... I see things are as busy in
*SM-land as ever.

2 x TSM Servers (5.2.4.5) running on AIX 5.2ML04 on two p570 LPARs, each
with 2 CPUs and 4GBs RAM.
2 x DS4300 arrays, each populated with 14 x 73GB disks.

Kind of a newbie question in a way - it's not very often some of us get to
build a system from scratch, mainly having to firefight/keep running
systems that are already installed.

I have around 2TB of DS4300 disk spread across two DS43000's, half of
which I can use for my 2 TSM servers, which equates to roughly 500GB of
raw storage per TSM server instance. I'd like to poll for advice on what
opinions for the best setup for these might be. I read and understand the
'best practices' about multiple (4 - 16) volumes for DB, a single volume
for log (sequential access etc) - opinions vary about the use of JFS and
RLV's for these and also for disk stgpool volumes. However, translating
these thoughts into an optimal configuration for implementation with a
DS4300 is something that I've not done before, especially given
abstractive layers of DS4300 cacheing etc. etc.

So, my question is whether anyone has implemented TSM with DS4300 (aka
FastT600) before, and if so, what do you recommend to be the optimal
DS4300 disk layout to fit in with TSM's requirements? Remember, I've two
DS4300's, so I could split my two TSM servers between the two as
necessary.

Many thanks for your thoughts guys.

David McClelland

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