Re: Review of my performance analysis

From: Dan Martin (dcmartin_at_affinitycorp.com)
Date: 12/03/03 

Date: 3 Dec 2003 06:23:32 -0800

dpuryear@usa.net wrote in message news:<ij4osv0s2gt3k6hkfkatoccp4c4vadhp84@4ax.com>...
> On Mon, 01 Dec 2003 18:25:01 GMT, bv@wjv.comREMOVE (Bill Vermillion)
> wrote:
>
> >>From what I've seen so far the major issue is overutilization of the
> >>existing disk. That would indicate to me that by putting all of my
> >>money there I can get the best results for the least amount of money.
> >
> >But until you look at all options you wont know if the money will
> >be well spent.
>
> Alas, I'm still waiting on the sysadmin to gather the hardware and
> vendor information. I do remember though that the vendor is (or was)
> very SCO specific. They were a hardware vendor that focused on selling
> SCO. "J"-something? Man, that's just going to bother me until I
> remember.

Probably a JBS Terian.

Bill gives good advice when suggesting a hardware upgrade. Your
client
has 30+ employees using an old system that has many components
approaching
their date with death. If you could stage a new system while the old
continues to run, you will save yourself many night and weekend hours.
If your luck is better than mine, you will spend a lot of time
tweaking the
kernel, scouting the used market for faster hard drives, getting
everything configured and installed, and your client will be thrilled
with the performance. A week later, some unrelated failure will have
30+ employees twiddling their
thumbs at the worst possible moment vis a vis your availability.

If, on the other hand, your luck is no better than mine, the disk will
fail during the first kernel rebuild.

Jeff Liebermann had a good post on cusm on his approach to replacing a
failed
drive in an array. In short, replace them all. Your situation is
similar.

Good luck,
Dan Martin

If you go with something fast and modern, I think you'll need a SCO
upgrade
to handle CPU heat issues, thermal throttling, I think, is the term.

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