Date: Thu, 6 Jul 2006 11:10:19 -0700
From: Kenji Morishige <kenjim@juniper.net>
To: Mark Kirkwood <markir@paradise.net.nz>
Cc: pgsql-performance@postgresql.org, kenjim@juniper.net
Subject: Re: suggested RAID controller for FreeBSD 6.1 + PostgreSQL 8.1
Message-ID: <20060706181019.GA15855@juniper.net>
References: <20060705234617.GB2367@juniper.net>
	<44AC5EB9.8060707@paradise.net.nz>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <44AC5EB9.8060707@paradise.net.nz>
User-Agent: Mutt/1.4.2.1i

Thanks for the suggestion Mark, though the server chassis I am trying to
utilize already has 4 10,000 RPM SCSI drives with SCA interfaces.  Ideally I
would like to use the existing drives and chassis and find another SCSI RAID
controller.  It looks like 3Ware only makes ATA controllers.
-Kenji

On Thu, Jul 06, 2006 at 12:52:09PM +1200, Mark Kirkwood wrote:
> Kenji Morishige wrote:
> >I am currently running FreeBSD 4.11 (due to IT requirements for now) and
> >Adaptec's 2200S RAID controller running in RAID5.  I was advised in the 
> >past
> >that the 2200S is actually a poor performing controller and obviously the
> >RAID5 is less than ideal for databases.  I chose to run the controller in
> >RAID5 as the tech I talked to suggested that the 2200S was primarily 
> >designed
> >for RAID5 and it would operate the best that way.  My server is a dual Xeon
> >  3.06Ghz box running on a motherboard approximately 2-3 years old now.  
> >  I'd
> >like to know what an ideal RAID controller that would be compatible with
> >FreeBSD 6.1 would be these days.
> >
> >
> 
> I've had good experience with 3Ware on FreeBSD - painless installs and 
> excellent performance! (in my case the older 7506 models for (P)ATA on 
> 4.10, 5.4, 6.0 and 6.1).
> 
> It looks like the new 9550 series is supported in 6.1 onwards. Given 
> that this has been added recently I would suggest mailing 
> freebsd-hardware to see what experiences folks are having (I don't 
> recall seeing any postings about issues with the 9000 or 9550 series).
> 
> Cheers
> 
> Mark