From owner-freebsd-scsi@FreeBSD.ORG Fri Dec 5 02:50:47 2008 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 40F251065673 for ; Fri, 5 Dec 2008 02:50:47 +0000 (UTC) (envelope-from jpaetzel@FreeBSD.org) Received: from mail.tcbug.org (mail.tcbug.org [216.243.150.78]) by mx1.freebsd.org (Postfix) with ESMTP id 1FEFD8FC14 for ; Fri, 5 Dec 2008 02:50:47 +0000 (UTC) (envelope-from jpaetzel@FreeBSD.org) Received: from roadrash.tcbug.org (c-24-118-145-206.hsd1.mn.comcast.net [24.118.145.206]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.tcbug.org (Postfix) with ESMTPSA id 2A1C3169E464; Thu, 4 Dec 2008 20:31:34 -0600 (CST) Message-ID: <493892AE.8060607@FreeBSD.org> Date: Thu, 04 Dec 2008 20:32:14 -0600 From: Josh Paetzel User-Agent: Thunderbird 2.0.0.18 (Macintosh/20081105) MIME-Version: 1.0 To: shakeb ainul References: <124704c40811270052s1d215d24kc7b057da17a1cb83@mail.gmail.com> In-Reply-To: <124704c40811270052s1d215d24kc7b057da17a1cb83@mail.gmail.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-scsi@freebsd.org Subject: Re: Problem with RAID1 Disk on Freebsd X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Dec 2008 02:50:47 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 shakeb ainul wrote: > Hi, > > I am a developer with one of the top IT companies in Asia. I have the > following problem with my RAID 1 server. > > Last week, the only disk of my server failed due to unknown reason and it > required a reboot of the server. Following error messages were logged in: > > /var/log/messages > > Nov 21 02:18:17 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI > port 2 > Nov 21 02:20:58 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI > port 2 > Nov 21 02:22:37 server1 kernel: ciss0: *** SCSI bus speed downshifted, SCSI > port 2 > Nov 21 02:31:01 server1 kernel: ciss0: *** Physical drive failure: SCSI port > 2 ID 1 > Nov 21 02:31:01 server1 kernel: ciss0: *** State change, logical drive 0 > Nov 21 02:31:01 server1 kernel: ciss0: logical drive 0 (da0) changed status > OK->interim recovery, spare status 0x0 > > Attached is the dmesg.boot file of my server. > > Please advise on what could be the possible causes for this fault and what > can we do to ensure it does not happen again in future. > > Thanks in anticipation. > > Regards, > SHAKEB AINUL - From what I can tell based on the information you've provided a drive failed in such a way that the controller tried stepping the bus down. When that didn't help it faulted the drive out of the array. But you don't say, and it doesn't seem discernable from the information you provided, what happened after that. Did the server hang or reboot or something? - -- Thanks, Josh Paetzel PGP: 8A48 EF36 5E9F 4EDA 5ABC 11B4 26F9 01F1 27AF AECB -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (Darwin) iEYEARECAAYFAkk4kq4ACgkQJvkB8SevrsurUACeLxHdjvTxdo6IMxJrAbvJh9mK 63cAnR2iW1eOKCv8bEV77VeKM8oCSumh =GJe2 -----END PGP SIGNATURE-----