From owner-freebsd-current Tue Jul 25 17:22:34 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.11/8.6.6) id RAA18941 for current-outgoing; Tue, 25 Jul 1995 17:22:34 -0700 Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.cdrom.com (8.6.11/8.6.6) with SMTP id RAA18903 for ; Tue, 25 Jul 1995 17:22:20 -0700 Received: from sax.sax.de by irz301.inf.tu-dresden.de with SMTP (5.67b+/DEC-Ultrix/4.3) id AA14376; Wed, 26 Jul 1995 02:22:05 +0200 Received: by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id CAA05399 for freebsd-current@FreeBSD.org; Wed, 26 Jul 1995 02:22:04 +0200 Received: (from j@localhost) by uriah.heep.sax.de (8.6.11/8.6.9) id PAA11039 for freebsd-current@FreeBSD.org; Tue, 25 Jul 1995 15:23:53 +0200 From: J Wunsch Message-Id: <199507251323.PAA11039@uriah.heep.sax.de> Subject: Re: Interesting NFS problem with -current To: freebsd-current@FreeBSD.org (FreeBSD-current users) Date: Tue, 25 Jul 1995 15:23:52 +0200 (MET DST) Reply-To: freebsd-current@FreeBSD.org (FreeBSD-current users) In-Reply-To: from "Doug Rabson" at Jul 25, 95 10:36:42 am Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL23] Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Content-Length: 650 Sender: current-owner@FreeBSD.org Precedence: bulk As Doug Rabson wrote: > > Hmm. No this wouldn't work because if the server rebooted, then all the > clients would lose. What we need is a unique signature for the disk. > What about an MD5 checksum for the first few hundred blocks? I'm not sure. The first 0x8000 bytes are usually crap on an iso9660 CD. Perhaps there's some sort of unique ID already provided by the standard? Does somebody know 9660 better? Of course, the ZIP drives are in another boat. A checksum might be a good idea, yes. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)