From owner-freebsd-stable@FreeBSD.ORG Sat May 15 07:14:51 2010 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 698441065670 for ; Sat, 15 May 2010 07:14:51 +0000 (UTC) (envelope-from pieter@thedarkside.nl) Received: from mail.thelostparadise.com (router.thelostparadise.com [IPv6:2a02:898:0:30::30:1]) by mx1.freebsd.org (Postfix) with ESMTP id 347908FC14 for ; Sat, 15 May 2010 07:14:51 +0000 (UTC) Received: by mail.thelostparadise.com (Postfix, from userid 127) id 5CE737303B; Sat, 15 May 2010 09:14:47 +0200 (CEST) Received: from localhost by mail.thelostparadise.com (Postfix) with ESMTP id 0FA5B73039; Sat, 15 May 2010 09:14:47 +0200 (CEST) Message-ID: <4BEE49E5.1040005@thedarkside.nl> Date: Sat, 15 May 2010 09:14:45 +0200 From: Pieter de Boer MIME-Version: 1.0 To: Terry Kennedy References: <01NN4A2NF0M4006QOF@tmk.com> In-Reply-To: <01NN4A2NF0M4006QOF@tmk.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@FreeBSD.org Subject: Re: Read / write timeouts on SATA disks connected to ICH9 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 May 2010 07:14:51 -0000 Hi Terry, > I have a bunch of R300's here. From one that is using the on-board SATA > and 2 drives in a gmirror setup (very similar to the OP) after 18 hours > of uptime: > > [0:2] speedtest:~> vmstat -i > interrupt total rate > irq23: atapci0 254116 3 Interesting. Which version of FreeBSD is this system running? I guess you didn't experience any of the timeouts I'm seeing? > I also have another R300 with Dell's "SAS 6/iR" card (a re-branded LSI > 1068-something, seen as "mpt" by FreeBSD). While Dell only sells that as > part of a package deal with the hot-swap backplane and redundant power > supplies, there's no reason you couldn't pick one up on eBay and add it > yourself. You'll need some sort of breakout cable to get from the big > connector on the SAS 6 to individual SATA ports. Yeah, this R300 was bought second-hand and unfortunately the owner pulled the RAID card out. It's something to consider, getting one of those cards. Do you use the RAID-features of the drive and if so, does that work well? I'm a bit hesitant to use hardware raid; it would be a big plus if the RAID disks could also be used stand-alone if need be (which is easy with gmirror because of its metadata being stored in the drive's last sector). Thanks, Pieter