From owner-freebsd-questions@FreeBSD.ORG Mon Sep 10 21:56:01 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 439CF16A417 for ; Mon, 10 Sep 2007 21:56:01 +0000 (UTC) (envelope-from smurphy@calarts.edu) Received: from echo.calarts.edu (echo.calarts.edu [198.182.157.9]) by mx1.freebsd.org (Postfix) with ESMTP id 2941113C47E for ; Mon, 10 Sep 2007 21:56:00 +0000 (UTC) (envelope-from smurphy@calarts.edu) Received: from echo.calarts.edu (localhost.localdomain [127.0.0.1]) by localhost (Email Security Appliance) with SMTP id A1CBE101E3EA; Mon, 10 Sep 2007 21:42:17 +0000 (GMT) Received: from muse2.calarts.edu (muse2.calarts.edu [198.182.157.28]) by echo.calarts.edu (Email Security Appliance) with ESMTP id 9019E1019185; Mon, 10 Sep 2007 21:42:15 +0000 (GMT) Received: from [172.19.0.158] (adm-19-0-158.dyn.calarts.edu [172.19.0.158] (may be forged)) (authenticated bits=0) by muse2.calarts.edu (8.13.3/8.13.3) with ESMTP id l8ALtwrO005090 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 10 Sep 2007 14:55:58 -0700 (PDT) (envelope-from smurphy@calarts.edu) Message-ID: <46E5BD68.10603@calarts.edu> Date: Mon, 10 Sep 2007 14:55:52 -0700 From: Sean Murphy User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Mike Sweetser - Adhost References: <17838240D9A5544AAA5FF95F8D5203160279A27B@ad-exh01.adhost.lan> In-Reply-To: <17838240D9A5544AAA5FF95F8D5203160279A27B@ad-exh01.adhost.lan> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.52 on 198.182.157.28 Cc: freebsd-questions@freebsd.org Subject: Re: Best SCSI or SAS RAID for a NAS? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Sep 2007 21:56:01 -0000 Mike Sweetser - Adhost wrote: > We're looking for opinions on what the best RAID controller would be for > maximizing throughput on a drive array serving as a NAS using NFS. It > needs to be either SCSI based or SAS based. > > Right now, we're using an LSI MegaRAID with 512MB RAM, which was the > best at the time, but we're experiencing throughput issues and are > looking for what might be better. > > Thanks! > Mike Sweetser > > -------------------------- > Mike Sweetser | Systems Administrator > > Adhost Internet > 140 Fourth Avenue North, Suite 360, Seattle, Washington 98109 USA > P 206.404.9023 T 888.234.6781 (ADHOST-1) F 206.404.9050 > E mikesw@adhost.com W adhost.com > > Our brand new Adhost West data center is open - contact us for a tour at > 1-888-234-6781 (ADHOST-1) > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > Its not just the controller you should be checking. The drives RPM speed, how many drives in the array, are you using RAID 0+1 or just RAID 5 for the array. Could you give more details on these issues? -- Sean Murphy Senior Network Technician, California Institute of the Arts +1 (661) 253-7732 voice