I have to agree with Paul.
If you don't mind supporting TSM on Linux then try it.
I can tell you this, alot will depend on how well IBM will support TSM on
Linux.
You didn't mention how many TSM instances you are supporting on AIX.
If you want to compare notes send me a note offline.
On Fri, Apr 20, 2012 at 12:46 PM, Paul Zarnowski <psz1 AT cornell DOT edu>
wrote:
> When comparing systems, I would use benchmarks suitable for transactional
> DB systems. Power7 systems have 4 VPUs per CPU, which really makes a
> difference. Also look at how many I/O cards you will need, etc. A big
> factor is what you're most comfortable with.
>
> At 12:34 PM 4/20/2012, Shawn Drew wrote:
> >I know this has been discussed in various forms over the years, but I'm
> >specifically wondering about the current state of hardware
> >I have a long history with TSM on AIX. It's stable, familiar and an I/O
> >powerhouse. Our Unix admins also favor AIX for serious, heavy-duty
> >workloads.
> >
> >We are looking at refreshing our largest P570 now. I discussed this with
> >our unix admin, who also has a very high opinion of IBM. He said that
> >current SandyBridge implementations can really make Linux a contender in
> >terms of I/O and CPU performance. And at about 1/7th the cost.
> >
> >I normally dismiss Linux because I was under the impression that you would
> >need many inexpensive servers to equal one P-series for I/O. It wouldn't
> >be worth it with the added management of dealing with multiple TSM
> >Servers. Now with DB2, TSM seems to be going more towards the monolithic
> >direction if anything.
> >But If I can get a single 32-core, 128GB ram intel server that can
> >actually push multiple 10gbe and 8gb FC interfaces I am finding Linux a
> >little more attractive.
> >
> >Does anyone have any stories, gotchas, or opinions with replacing a
> >P-series host with a modern Intel system 1 for 1?
> >
> >
> >Regards,
> >Shawn
> >________________________________________________
> >Shawn Drew
> >
> >
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> --
> Paul Zarnowski Ph: 607-255-4757
> CIT Infrastructure / Storage Services Fx: 607-255-8521
> 719 Rhodes Hall, Ithaca, NY 14853-3801 Em: psz1 AT cornell DOT edu
>
--
Thank you,
Bob Molerio
Systems Administrator
New York University
ITS Computer Facilities Services/Infrastructure
Level C-2
75 Third Avenue
New York NY 10003-5527
office: 212-998-1110
email:robert.molerio AT nyu DOT edu <robert.molerio AT nyu DOT edu>
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