Date: Mon, 6 Nov 1995 21:10:55 -0500 (EST) From: Basket Case <jon@technix.org> To: "Jonathan M. Bresler" <jmb@kryten.Atinc.COM> Cc: M C Wong <mcw@hpato.aus.hp.com>, freebsd-questions@freefall.freebsd.org Subject: Re: [1.1.5.1] FreeBSD bootblock corrupted ? & SCSI Aborted Command Errors Message-ID: <Pine.BSF.3.91.951106210631.10510B-100000@technix.org> In-Reply-To: <Pine.3.89.9510252009.G24811-0100000@kryten.atinc.com>
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On Wed, 25 Oct 1995, Jonathan M. Bresler wrote: > On Thu, 26 Oct 1995, M C Wong wrote: > > I first suspected the mbr corruption, and ran fdisk /mbr upon boot > > up from a DOS boot disk. That doesn't fix the problem. Now I suspect > > if you did a dos 'fdisk /mbr', the boot blocks are gone. this > is the standare method of removing the boot blocks inorder to reinstall. > > > my FreeBSD boot block gets corrupted. Can someone tell me the right > > command to re-install the bootblock, I remeber something that involve > > /usr/mdec/sdboot and /usr/mdec/bootsd, but can't remember the exact > > command. > > disklabel -w -B [sw]d0 > My boot block is currently corrupt and when I try to do the above, disklabel -w -B sd0 it just prints out the help screen as if I had entered a parameter incorrectly. Ive been booting from a floppy disk since then -- is there any way I can re-install a boot block easily? I also have an error message with my SCSI disk that comes up occassionally -- once every 1-2 days...: Nov 6 13:03:33 technix /kernel: sd0(ahc0:6:0) ABORTED COMMAND info:18681a asc: 40,91 sks: 80,0 I'm using a Adaptec 3940W (with wide mode off as it still doesnt work with FBSD) with a Quantum Grand Prix XP34301W drive (4.3 gigs) Any ideas? > > man disklabel > > Jonathan M. Bresler jmb@kryten.atinc.com | Analysis & Technology, Inc. > FreeBSD Postmaster jmb@FreeBSD.Org | 2341 Jeff Davis Hwy > play go. | Arlington, VA 22202 > ride bike. hack FreeBSD.--ah the good life | 703-418-2800 x346 > >
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