From owner-freebsd-scsi Sat Dec 27 00:50:54 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id AAA14552 for freebsd-scsi-outgoing; Sat, 27 Dec 1997 00:50:54 -0800 (PST) (envelope-from owner-freebsd-scsi) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id AAA14542 for ; Sat, 27 Dec 1997 00:50:41 -0800 (PST) (envelope-from j@uriah.heep.sax.de) Received: (from uucp@localhost) by sax.sax.de (8.8.8/8.8.8) with UUCP id JAA18478 for freebsd-scsi@FreeBSD.ORG; Sat, 27 Dec 1997 09:50:38 +0100 (CET) (envelope-from j@uriah.heep.sax.de) Received: (from j@localhost) by uriah.heep.sax.de (8.8.8/8.8.5) id JAA07369; Sat, 27 Dec 1997 09:27:11 +0100 (MET) Message-ID: <19971227092711.09423@uriah.heep.sax.de> Date: Sat, 27 Dec 1997 09:27:11 +0100 From: J Wunsch To: freebsd-scsi@FreeBSD.ORG Subject: Re: DAT question/problem! Reply-To: Joerg Wunsch References: <34A3530D.590@3-cities.com> <19971226162002.29967@uriah.heep.sax.de> <34A49B87.6C60@3-cities.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.88 In-Reply-To: <34A49B87.6C60@3-cities.com>; from Mark Smith on Fri, Dec 26, 1997 at 10:09:11PM -0800 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Sender: owner-freebsd-scsi@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk As Mark Smith wrote: > OK, so in the meantime, just write until I hit EIO, keeping track > of the number of written blocks, then rewind and reread the same > number SHOULD work? I think so. You can also verify the kernel message to see whether it indicates the end-of-medium detection, or a hard write fault instead. > This is REAL fun testing this kind of code on a 90m tape on an > older DDS-1 10M/min drive! 200 minutes (3 hours 20 min) write > then the same for a read. Ain't a new cassette cheaper than 6 hours of work? ;-) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)