From: Alex Turner <armtuk@gmail.com>
To: Markus Schaber <schabi@logix-tt.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig
Date: Mon, 7 Aug 2006 16:02:52 -0400
Message-ID: <33c6269f0608071302h6429cfcn71074709c5cd53ff@mail.gmail.com> (raw)
In-Reply-To: <44D72D11.7050203@logix-tt.com>
References: <7F10D26ECFA1FB458B89C5B4B0D72C2B4E4D9B@sesrv12.wirelesscar.com>
<Pine.OSX.4.61.0607290153401.10025@white.nat.fasttrackmonkey.com>
<44D72D11.7050203@logix-tt.com>
Although I for one have yet to see a controller that actualy does this (I
believe software RAID on linux doesn't either).
Alex.
On 8/7/06, Markus Schaber <schabi@logix-tt.com> wrote:
>
> Hi, Charles,
>
> Charles Sprickman wrote:
>
> > I've also got a 1U with a 9500SX-4 and 4 drives. I like how the 3Ware
> > card scales there - started with 2 drives and got "drive speed"
> > mirroring. Added two more and most of the bonnie numbers doubled. This
> > is not what I'm used to with the Adaptec SCSI junk.
>
> Well, for sequential reading, you should be able to get double drive
> speed on a 2-disk mirror with a good controller, as it can balance the
> reads among the drives.
>
> Markus
> --
> Markus Schaber | Logical Tracking&Tracing International AG
> Dipl. Inf. | Software Development GIS
>
> Fight against software patents in EU! www.ffii.org
> www.nosoftwarepatents.org
>
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>
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To: pgsql-performance@postgresql.org
Cc: armtuk@gmail.com, schabi@logix-tt.com
Subject: Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig
In-Reply-To: <33c6269f0608071302h6429cfcn71074709c5cd53ff@mail.gmail.com>
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