From: Alex Turner <armtuk@gmail.com>
To: Joshua D. Drake <jd@commandprompt.com>
Cc: Benjamin Arai <barai@cs.ucr.edu>
Cc: pgsql-performance@postgresql.org
Subject: Re: 3WARE Card performance boost?
Date: Wed, 18 Jan 2006 14:12:43 -0500
Message-ID: <33c6269f0601181112t4ab4c2b0wd48a4e47ab5e71ec@mail.gmail.com> (raw)
In-Reply-To: <43CE87D1.6010904@commandprompt.com>
References: <00ee01c61c5a$5db2c870$d7cc178a@uni>
<43CE87D1.6010904@commandprompt.com>
http://www.3ware.com/products/serial_ata2-9000.asp
Check their data sheet - the cards are BBU ready - all you have to do
is order a BBU
which you can from here:
http://www.newegg.com/Product/Product.asp?Item=N82E16815999601
Alex.
On 1/18/06, Joshua D. Drake <jd@commandprompt.com> wrote:
>
> > Obviously, I have done this to improve write performance for the update
> > each week. My question is if I install a 3ware or similar card to
> > replace my current software RAID 1 configuration, am I going to see a
> > very large improvement? If so, what would be a ball park figure?
>
> Well that entirely depends on what level...
>
> 1. I would suggest LSI 150-6 not 3ware
>
> Why?
>
> Because 3ware does not make a midrange card that has a battery backed
> cache :). That is the only reason. 3ware makes good stuff.
>
> So anyway... LSI150-6 with Battery Backed cache option. Put 6 drives
> on it with a RAID 10 array, turn on write cache and you should have
> a hauling drive.
>
> Joshua D. Drake
>
>
>
> >
> > *Benjamin Arai*
> > barai@cs.ucr.edu <mailto:barai@cs.ucr.edu>
> > http://www.benjaminarai.com <http://www.benjaminarai.com/;
> >
>
>
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To: pgsql-performance@postgresql.org
Cc: armtuk@gmail.com, jd@commandprompt.com, barai@cs.ucr.edu
Subject: Re: 3WARE Card performance boost?
In-Reply-To: <33c6269f0601181112t4ab4c2b0wd48a4e47ab5e71ec@mail.gmail.com>
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