Date: Wed, 21 Aug 2013 10:31:10 -0400 From: Outback Dingo <outbackdingo@gmail.com> To: Adam Nowacki <nowakpl@platinum.linux.pl> Cc: freebsd-fs@freebsd.org Subject: Re: How do we clear a bogus zpool? Message-ID: <CAKYr3zxTcYLX78r1YgMnTD2YADPiK3TPOwtcJsj0n228R%2BBnNQ@mail.gmail.com> In-Reply-To: <5214CB21.8080206@platinum.linux.pl> References: <1377015858.1450.3.camel@localhost> <CAOaKuAVuJXf-Ceuh0Z4ToLtCc2D%2BBTVEabcVNWK=vktKjqoQcQ@mail.gmail.com> <1377026509.1478.3.camel@localhost> <5214CB21.8080206@platinum.linux.pl>
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On Wed, Aug 21, 2013 at 10:13 AM, Adam Nowacki <nowakpl@platinum.linux.pl>wrote: > On 2013-08-20 21:21, Sean Bruno wrote: > >> On Tue, 2013-08-20 at 20:28 +0200, Johan Hendriks wrote: >> >>> # zpool import >>> pool: zroot >>> id: 854190767471294680 >>> state: UNAVAIL >>> status: One or more devices are missing from the system. >>> action: The pool cannot be imported. Attach the missing >>> devices and try again. >>> see: http://illumos.org/msg/ZFS-**8000-3C<http://illumos.org/msg/ZFS-8000-3C>; >>> config: >>> >>> zroot UNAVAIL insufficient >>> replicas >>> raidz1-0 UNAVAIL insufficient >>> replicas >>> 17925463268209287656 UNAVAIL cannot open >>> 11020448220822113890 UNAVAIL corrupted data >>> 10143858893287711942 UNAVAIL corrupted data >>> 7542790596970715955 UNAVAIL corrupted data >>> 10811885036534933813 UNAVAIL corrupted data >>> 13343774937261906429 UNAVAIL corrupted data >>> >>> # zpool destroy -f zroot >>> cannot open 'zroot': no such pool >>> # zpool clear -F zroot >>> cannot open 'zroot': no such pool >>> >>> >>> Sean >>> >>> >>> >>> There is a label clear option for zpool # zpool labelclear devicename >>> It will wipe ALL labels, and not only zpool/zfs labels. >>> >> >> >> Sure, but which device to pass in as an argument? I'm not sure where >> the zpool information is even coming from. >> >> > sysctl -b kern.geom.conftxt | sh -c 'while read a b c d; do zdb -l /dev/$c > | grep -q version && echo $c; done' > > nice snippet, now output that to a variable and then for disk in /dev/$c; do dd if=/dev/zero of=${disk} bs=512 count=1; dd if=/dev/zero of=${disk} bs=512 seek=$(( $(diskinfo -v ${disk} | grep "mediasize in sectors" | awk '{ print $1 }') - 1 )); done and that will nuke them clean This should list all devices with zfs labels. > > ______________________________**_________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-fs<http://lists.freebsd.org/mailman/listinfo/freebsd-fs>; > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@**freebsd.org<freebsd-fs-unsubscribe@freebsd.org> > " >
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