Re: [ADSM-L] AIX vs Linux 2012

2012-04-20 12:55:13
Subject: Re: [ADSM-L] AIX vs Linux 2012
From: Paul Zarnowski <psz1 AT CORNELL DOT EDU>
Date: Fri, 20 Apr 2012 12:46:37 -0400
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
>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?
>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

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