> I am looking for some info to present to some
> business types and I am after articles on
> real cost of ownership, Stability etc,
> I need facts and figures also to be able
> present with a pro RedHat theme
OS/2 may well gie the best fileserving performance; there was a ZD comparison
back whe Warp Server was new, and before it had SMB support.
For file and print serving, OS/2 cleaned up the other two; NT and Novel. and
that was with OS/2 using one CPU while the others were using two or four (I
don't recall precisely now).
I'm told the latest Warp Server for E-Business supports 64 processors.
OS/2 also has a much better UI and much better documentation than NT or Linux.
However, I rather think this knocks OS/2 out:
http://www-4.ibm.com/software/os/warp/strategy/
I have here a printout of a posting to ibm.software.vajava.beta
(news.software.ibm.com I think) which was decidedely off-topic.
It mentions a Gartner Advisory and contains claimed reliability stats:
OS/390 ten minutes
tandem (now part of Compaq) 1.7 hr
AS/400 5.2 hr
VAX 9now part of Compaq) 8.9 Hr
All Unix 23.6 hr
..
NT 224.5 Hr
These times are downtime pa. It does not define downtime; I don't know whether
scheduled software maintenance is included.
I would guess Linux falls into the general Unix area, but it' only a guess.
One of the drawbacks to NT (and OS/2) is that softwar maintenance generally
requires a reboot or two. Incontrast, almost all software maintenance on Linux
does not require rebooting (though affected software needs to be down). Just
how you'd count restarting Apache on a server that also has DB2 I leave to
you; it's a part outage; some users will be affected, some won't.
If course, to use the numbers above, you really ought ceck with Gartner Group;
you don't know how well I (or my source) have quoted them, and they may well
be made obsolete with new information, perhaps including figures for SCO and
Linux.
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