Date: Fri, 5 May 2006 11:21:37 -0700 From: "Gayn Winters" <gayn.winters@bristolsystems.com> To: "'Robert Fitzpatrick'" <lists@webtent.net>, "'FreeBSD'" <freebsd-questions@freebsd.org> Subject: RE: removing geom config left over from previous install Message-ID: <005f01c67070$c27d7dd0$6501a8c0@workdog> In-Reply-To: <1146850526.11355.49.camel@columbus.webtent.org>
next in thread | previous in thread | raw e-mail | index | archive | help
> [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of > Robert Fitzpatrick > Sent: Friday, May 05, 2006 10:35 AM > To: FreeBSD > Subject: removing geom config left over from previous install > > > Trying to mirror the system using geom on a box with 2 pairs of > identical SCSI drives (2 IBM 9GB drives and 2 Seagate 35GB > drives). The > Seagate drives were mirrored with geom under a previous install and I > was trying to mirror the system, when all was not working and > I decided > to start all over again. I have tried a few times now with a fresh > install of FreeBSD 6.0 and on the last round, removed and > wrote changes > to the disk in the splice setup for all four disks and then restarted > the machine and installation to make sure I had all disks > with one slice > of unused space to start. I did, so I proceeded to create all my > partitions on the one IBM da0 drive to mirrored with da1 > after install. > The issue is that after loading the mirror, I get what seems to be my > previous devices, how can I get a fresh start? Because this eventually > leads to 'bsdlabel: Geom not found'...right after first boot, I am > following the doc at http://people.freebsd.org/~rse/mirror/ > > files# dd if=/dev/zero of=/dev/da1 bs=512 count=79 > 79+0 records in > 79+0 records out > 40448 bytes transferred in 0.015124 secs (2674452 bytes/sec) > files# fdisk -v -B -I /dev/da1 > ******* Working on device /dev/da1 ******* > fdisk: invalid fdisk partition table found > parameters extracted from in-core disklabel are: > cylinders=1115 heads=255 sectors/track=63 (16065 blks/cyl) > > Figures below won't work with BIOS for partitions not in cyl 1 > parameters to be used for BIOS calculations are: > cylinders=1115 heads=255 sectors/track=63 (16065 blks/cyl) > > Information from DOS bootblock is: > 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > start 63, size 17912412 (8746 Meg), flag 80 (active) > beg: cyl 0/ head 1/ sector 1; > end: cyl 90/ head 254/ sector 63 > 2: <UNUSED> > 3: <UNUSED> > 4: <UNUSED> > fdisk: Geom not found > files# gmirror label -v -n -b round-robin gm0s1 /dev/da1s1 > Metadata value stored on /dev/da1s1. The geom metadata is stored in the last block of the slice. Zero it as well and you can have a clean start. -gayn Bristol Systems Inc. 714/532-6776 www.bristolsystems.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?005f01c67070$c27d7dd0$6501a8c0>