| From: | Jeff Frost <jeff(at)frostconsultingllc(dot)com> |
|---|---|
| To: | Bucky Jordan <bjordan(at)lumeta(dot)com> |
| Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Luke Lonergan <llonergan(at)greenplum(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: availability of SATA vendors |
| Date: | 2006-11-22 16:36:11 |
| Message-ID: | Pine.LNX.4.64.0611220834400.4382@discord.home.frostconsultingllc.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Wed, 22 Nov 2006, Bucky Jordan wrote:
> Dells (at least the 1950 and 2950) come with the Perc5, which is
> basically just the LSI MegaRAID. The units I have come with a 256MB BBU,
> I'm not sure if it's upgradeable, but it looks like a standard DIMM in
> there...
>
> I posted some dd and bonnie++ benchmarks of a 6-disk setup a while back
> on a 2950, so you might search the archive for those numbers if you're
> interested- you should be able to get the same or better from a
> similarly equipped LSI setup. I don't recall if I posted pgbench
> numbers, but I can if that's of interest.
I could only find the 6 disk RAID5 numbers in the archives that were run with
bonnie++1.03. Have you run the RAID10 tests since? Did you settle on 6 disk
RAID5 or 2xRAID1 + 4XRAID10?
--
Jeff Frost, Owner <jeff(at)frostconsultingllc(dot)com>
Frost Consulting, LLC http://www.frostconsultingllc.com/
Phone: 650-780-7908 FAX: 650-649-1954
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