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Date:      Tue, 23 Aug 2005 09:41:30 -0500
From:      "Jim C. Nasby" <decibel@decibel.org>
To:        Uzi Klein <uzi@bmby.com>
Cc:        freebsd-database@freebsd.org, jmc <jcagle@gmail.com>, freebsd-hardware@freebsd.org
Subject:   Re: FreeBSD hardware solution for a database server
Message-ID:  <20050823144129.GE43820@decibel.org>
In-Reply-To: <430AD329.4090601@bmby.com>
References:  <040f01c5a4b9$f5d2dff0$0700a8c0@uzi> <6863f0c905081906061290c642@mail.gmail.com> <43088442.7000704@bmby.com> <20050823011954.GM17203@decibel.org> <430AD329.4090601@bmby.com>

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On Tue, Aug 23, 2005 at 09:41:29AM +0200, Uzi Klein wrote:
> Jim C. Nasby wrote:
> >On Sun, Aug 21, 2005 at 03:40:18PM +0200, Uzi Klein wrote:
> >
> >>2 mirrored drives mounted as /
> >>3 RAID 5 drives mounted as /var
> >
> >
> >RAID5 pretty much sucks for databases that do anything more than 1-5%
> >writes.
> 
> would you suggest RAID 0+1 instead?

I'd suggest whichever one is a stripe of mirrors (you don't want a
mirror of 2 stripe sets).
-- 
Jim C. Nasby, Database Architect                decibel@decibel.org 
Give your computer some brain candy! www.distributed.net Team #1828

Windows: "Where do you want to go today?"
Linux: "Where do you want to go tomorrow?"
FreeBSD: "Are you guys coming, or what?"



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