Please help me NOT migrate

2004-04-20 10:53:42
Subject: Please help me NOT migrate
From: Eliza Lau <lau AT VTCAT.CC.VT DOT EDU>
Date: Tue, 20 Apr 2004 10:53:02 -0400

Please help me NOT migrate the server to a different platform from AIX.

4way P660, 3G memory running AIX 5.1
3494 with 6 FC 3590E tape drives connected to 2 SAN switches
90G database at 60% utilized on a Shark
24T of backup data
2600 3590E tapes
460 clients: Windows, Linux, Solaris, AIX

There has been a change in management, and to put it mildly, certain people
do not like IXX and want to see it out of the machine room.
I have to put in a strong argument on why TSM has to run on AIX.  The two
platforms I am offered are Linux and Solaris.  Management wants to keep the
3494 and all its tapes because of the sunk cost.

I have been running ADSM/TSM/ITSM v2/v3/v4/v5 for the past 8 years on a
J30 and then the P660 and am perfectly happy with TSM on AIX.  The two IBM
CEs who work on our hardware are wonderful.  Migrating to a different
platform is going to be a nightmare.  How long will backup be
down to export/import 460 clients with 24T of data?

Realistically, I know I can only stall it for 2 more years.  After we
outgrow the P660, the new hardware we buy will run either Solaris or Linux.
What is your experience with TSM server running on either one?

Thanks in advance,
Eliza Lau
Virginia Tech Computing Center
Blacksburg, VA

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