ZFS unable to import pool
ronald-lists at klop.ws
Tue Apr 22 09:49:28 UTC 2014
On Mon, 21 Apr 2014 21:29:27 +0200, Gena Guchin <ggulchin at icloud.com>
> Hello FreeBSD users,
> my appologies for reposting, but I'd really need your help!
> I have this huge problem with my ZFS server. I have accidentally
> formatted one of the drives in exported ZFS pool. and now I can’t import
> the pool back. this is extremely important pool for me. device that is
> missing is still attached to the system. Any help would be greatly
> #uname -a
> FreeBSD XXX 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16
> 22:34:59 UTC 2014
> root at snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
> #zpool import
> pool: storage
> id: 11699153865862401654
> 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-8000-6X
> storage UNAVAIL missing device
> raidz1-0 DEGRADED
> ada3 ONLINE
> ada4 ONLINE
> ada5 ONLINE
> ada6 ONLINE
> 248348789931078390 UNAVAIL cannot open
> ada1s1 ONLINE
> Additional devices are known to be part of this pool, though their
> exact configuration cannot be determined.
> # zpool list
> NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
> zroot 920G 17.9G 902G 1% 1.00x ONLINE -
> # zpool upgrade
> This system supports ZFS pool feature flags.
> All pools are formatted using feature flags.
> Every feature flags pool has all supported features enabled.
> # zfs upgrade
> This system is currently running ZFS filesystem version 5.
> All filesystems are formatted with the current version.
> Thanks a lot!
Does FreeBSD see the disk? Is it in /dev/ada2 (or another number)?
If FreeBSD does not know anything about the disk, ZFS can't either. A
reboot or some fiddling (partitioning?) with GEOM might make the disk
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