From owner-freebsd-scsi@FreeBSD.ORG Thu Oct 12 16:19:36 2006 Return-Path: X-Original-To: freebsd-scsi@freebsd.org Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8DDB916A403 for ; Thu, 12 Oct 2006 16:19:36 +0000 (UTC) (envelope-from anderson@centtech.com) Received: from mh1.centtech.com (moat3.centtech.com [64.129.166.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id A69F843D72 for ; Thu, 12 Oct 2006 16:19:35 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh1.centtech.com (8.13.1/8.13.1) with ESMTP id k9CGJTJ5078543; Thu, 12 Oct 2006 11:19:30 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <452E6B14.20409@centtech.com> Date: Thu, 12 Oct 2006 11:19:32 -0500 From: Eric Anderson User-Agent: Thunderbird 1.5.0.7 (X11/20060923) MIME-Version: 1.0 To: Panagiotis Astithas References: <452E6326.7030007@ebs.gr> In-Reply-To: <452E6326.7030007@ebs.gr> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.87.1/2026/Thu Oct 12 01:47:06 2006 on mh1.centtech.com X-Virus-Status: Clean Cc: freebsd-scsi@freebsd.org Subject: Re: Tape error renders tape drive unusable 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: Thu, 12 Oct 2006 16:19:36 -0000 On 10/12/06 10:45, Panagiotis Astithas wrote: > Hi all, > > on a dual-Xeon Dell server I have here (running 6.1-SECURITY), the tape > drive seems to have died since yesterday. The drive is: > > sa0 at ahc0 bus 0 target 6 lun 0 > sa0: Removable Sequential Access SCSI-3 > device > sa0: 80.000MB/s transfers (40.000MHz, offset 32, 16bit) > > Last night during the regular backup, I got the following messages in > the log and the drive cannot eject the tape ever since, spitting out > "mt: /dev/nsa0: Input/output error" on every mt(1) invocation I try. A > reboot didn't help. Can anyone explain to me what these messages mean? > Is the tape drive b0rked? I had some similar issues, and setting the queue depth down to other disks attached to the same bus fixed it for me. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------