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Re: availability of SATA vendors

From: Arjen van der Meijden <acmmailing(at)tweakers(dot)net>
To: Jeff Frost <jeff(at)frostconsultingllc(dot)com>
Cc: Bucky Jordan <bjordan(at)lumeta(dot)com>, "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 17:07:17
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance

You can find some (Dutch) results here on our website:

You'll find the AMCC/3ware 9550SX-12 with up to 12 disks, Areca 1280 and 
1160 with up to 14 disks and a Promise and LSI sata-raid controller with 
each up to 8 disks. Btw, that Dell Perc5 (sas) is afaik not the same 
card as the LSI MegaRAID SATA 300-8X, but I have no idea whether they 
share the same controllerchip.
In most of the graphs you also see a Areca 1160 with 1GB in stead of its 
default 256MB. Hover over the labels to see only that specific line, 
that makes the graphs quite readable.

You'll also see a Dell Perc5/e in the results, but that was done using 
Fujitsu SAS 15k rpm drives, not the WD Raptor 10k rpm's

If you dive deeper in our (still Dutch) "benchmark database" you may 
find some results of several disk-configurations on several controllers 
in various storage related tests, like here:

If you want to filter some results, look for "Resultaatfilter & 
tabelgenerator" and press on the "Toon filteropties"-tekst. I think 
you'll be able to understand the selection-overview there, even if you 
don't understand Dutch ;)
"Filter resultaten" below means the same as in English (filter [the] 

Best regards,


On 22-11-2006 17:36 Jeff Frost wrote:
> 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?

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Subject: Re: availability of SATA vendors
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