From owner-freebsd-questions Tue May 26 09:56:54 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id JAA03396 for freebsd-questions-outgoing; Tue, 26 May 1998 09:56:54 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mail.artcom.de ([192.76.129.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id JAA03352 for ; Tue, 26 May 1998 09:56:37 -0700 (PDT) (envelope-from hans@artcom.de) Received: by artcom.de via sendmail with stdio id for freebsd-questions@freebsd.org; Tue, 26 May 1998 18:55:56 +0200 (CEST) Message-Id: Date: Tue, 26 May 1998 18:55:56 +0200 (CEST) From: hans@artcom.de (Hans Huebner) To: ljo@mcs.net Subject: Re: DLT tape errors Newsgroups: artcom.mailing-list.freebsd.questions In-Reply-To: <199805261525.KAA18787@Venus.mcs.net> Organization: Art+Com GmbH, Berlin, Germany Cc: freebsd-questions@FreeBSD.ORG Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In article <199805261525.KAA18787@Venus.mcs.net> you write: >When backing up to a Digital TZ87 DLT tape drive I sometimes get the >following errors ansyslogged and dump quits: >st0(ncr0:4:0): Deferred Error: RECOVERED ERROR asc:a,0 Error log overflow >Any ideas what these mean? Or how to avoid them? Also why does dump >fail for a recovered error? They mean that the error log storage of the DLT drive has been exhausted. This is not a severe error in itself (that's why it says 'RECOVERED ERROR'), but it does point you to a problem. You should look at the error log pages of the drive to see what's wrong. To do this, you can either use the scsi(8) utility which is included with FreeBSD (you need the DLT's handbook to do that) or the DLTtools utility which is available at Quantum's web site. I'd suspect that the drive either needs cleaning or that there have been many (recovered) media errors. In either case, corrective action should be taken. To avoid the error during dumps, query and clear the log page of the DLT drive regularily. After each backup run would be a fine point in time. Regards, Hans To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message