Date: Fri, 05 May 2006 13:35:26 -0400 From: Robert Fitzpatrick <lists@webtent.net> To: FreeBSD <freebsd-questions@freebsd.org> Subject: removing geom config left over from previous install Message-ID: <1146850526.11355.49.camel@columbus.webtent.org>
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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. Done. files# ls /dev/mirror ls: /dev/mirror: No such file or directory files# gmirror load files# ls /dev/mirror data datas1c gm0 gm0s1 datas1 datas1cc gm0s1 files# ls -la /dev/mirror total 1 dr-xr-xr-x 2 root wheel 512 May 5 13:15 . dr-xr-xr-x 5 root wheel 512 Dec 31 1969 .. crw-r----- 1 root operator 0, 114 May 5 13:07 data crw-r----- 1 root operator 0, 124 May 5 13:07 datas1 crw-r----- 1 root operator 0, 126 May 5 13:07 datas1c crw-r----- 1 root operator 0, 128 May 5 13:07 datas1cc crw-r----- 1 root operator 0, 123 May 5 13:07 gm0 crw-r----- 1 root operator 0, 125 May 5 13:07 gm0s1 crw-r----- 1 root operator 0, 125 May 5 13:07 gm0s1 files# bsdlabel -w -B /dev/mirror/gm0s1 bsdlabel: Geom not found -- Robert
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