From owner-freebsd-current Wed Apr 19 02:41:34 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id CAA13768 for current-outgoing; Wed, 19 Apr 1995 02:41:34 -0700 Received: from minnow.render.com (render.demon.co.uk [158.152.30.118]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id CAA13760 for ; Wed, 19 Apr 1995 02:41:31 -0700 Received: (from dfr@localhost) by minnow.render.com (8.6.9/8.6.9) id KAA13096; Wed, 19 Apr 1995 10:13:09 +0100 Date: Wed, 19 Apr 1995 10:13:08 +0100 (BST) From: Doug Rabson To: Stefan Esser cc: current@FreeBSD.org Subject: Re: DAT tape problems In-Reply-To: <199504181710.AA17946@FileServ1.MI.Uni-Koeln.DE> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: current-owner@FreeBSD.org Precedence: bulk On Tue, 18 Apr 1995, Stefan Esser wrote: > On Apr 18, 14:19, Doug Rabson wrote: > } Subject: DAT tape problems > } I just attempted to read back a dump from a DAT tape to test our backup > } strategy and disturbingly, the file which read back from the tape was > } corrupted. The directory was intact but when the dump was extracted, > } there was a checksum error on one file and when comparing the extracted > } tree with the original, at least one file had been corrupted. > } > } My DAT drive probes as a 'WangDAT Model 3400DX' and it is set to use > } compression. Does anyone have an idea what is happening? > > DAT drives are supposed to work ! > > I'm using a HP 1533 DDS-2 drive with good success. > > What controller are you using ? Its an old Adaptec 1542B. I am sure that I have successfully restored stuff from this drive before though. Maybe it is something to do with the file being restored not being the first on the tape? -- Doug Rabson, RenderMorphics Ltd. Mail: dfr@render.com Phone: +44 171 251 4411 FAX: +44 171 251 0939