From owner-freebsd-questions@FreeBSD.ORG Sat May 13 05:51:03 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 138E516A400 for ; Sat, 13 May 2006 05:51:03 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id B761243D45 for ; Sat, 13 May 2006 05:51:02 +0000 (GMT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.13.1/8.13.4) id k4D5p1Ua014042; Sat, 13 May 2006 00:51:01 -0500 (CDT) (envelope-from dan) Date: Sat, 13 May 2006 00:51:01 -0500 From: Dan Nelson To: Graham Bentley Message-ID: <20060513055101.GC80367@dan.emsphone.com> References: <20060513051909.B4F1943D46@mx1.FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060513051909.B4F1943D46@mx1.FreeBSD.org> X-OS: FreeBSD 5.5-PRERELEASE X-message-flag: Outlook Error User-Agent: Mutt/1.5.11 Cc: freebsd-questions@freebsd.org Subject: Re: Security / kernel message interpretations please ! 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: Sat, 13 May 2006 05:51:03 -0000 In the last episode (May 13), Graham Bentley said: > I posted about this a few days ago and its appeared again in my > security log (the backup routine log appears to be fine) > > +(sa0:ahc0:0:6:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0 > +(sa0:ahc0:0:6:0): CAM Status: SCSI Status Error > +(sa0:ahc0:0:6:0): SCSI Status: Check Condition > +(sa0:ahc0:0:6:0): UNIT ATTENTION asc:28,0 > +(sa0:ahc0:0:6:0): Not ready to ready change, medium may have changed > +(sa0:ahc0:0:6:0): Unretryable error > > I have googled about and there is some suggestion that a > change of tape may cure this ie using DDS4 tapes rather > than DDS3 in a DDS4 drive. I also read about "Vendor > Specific ASCQ" but it was beyond me. I am going to leave > the same tape in and see if its repeated at tonites backup. I believe you'll get a UNIT ATTENTION on every media load; it's just how SCSI drivers work. Not sure why it's getting logged to the console, though. -- Dan Nelson dnelson@allantgroup.com