Date: Mon, 21 Apr 2014 17:06:20 -0700 From: Gena Guchin <ggulchin@icloud.com> To: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Fwd: ZFS unable to import pool Message-ID: <AC00E63C-E532-4D5A-9417-2286E592EBF1@icloud.com> References: <17405F3F-D209-40B5-85A1-01AB94DC54BE@icloud.com>
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Begin forwarded message: > From: Gena Guchin <ggulchin@icloud.com> > Subject: Re: ZFS unable to import pool > Date: April 21, 2014 at 3:18:43 PM PDT > To: Hakisho Nukama <nukama@gmail.com> >=20 > Hakisho,=20 >=20 > this is weird, while I do not see ONLINE next to cache device ada1s2, = it is the same device as logs ada1s1, just different slice. > I tried to see the difference between zfs labels on that device. >=20 >=20 > [gena@ggulchin]-pts/0:57# zdb -l /dev/ada1s2 > -------------------------------------------- > LABEL 0 > -------------------------------------------- > version: 5000 > state: 4 > guid: 7108193965515577889 > -------------------------------------------- > LABEL 1 > -------------------------------------------- > version: 5000 > state: 4 > guid: 7108193965515577889 > -------------------------------------------- > LABEL 2 > -------------------------------------------- > version: 5000 > state: 4 > guid: 7108193965515577889 > -------------------------------------------- > LABEL 3 > -------------------------------------------- > version: 5000 > state: 4 > guid: 7108193965515577889 > [gena@ggulchin]-pts/0:58# zdb -l /dev/ada1s1 > -------------------------------------------- > LABEL 0 > -------------------------------------------- > version: 5000 > name: 'storage' > state: 1 > txg: 14792113 > pool_guid: 11699153865862401654 > hostid: 3089874380 > hostname: 'ggulchin.homeunix.com' > top_guid: 15354816574459194272 > guid: 15354816574459194272 > is_log: 1 > vdev_children: 3 > vdev_tree: > type: 'disk' > id: 1 > guid: 15354816574459194272 > path: '/dev/ada1s1' > phys_path: '/dev/ada1s1' > whole_disk: 1 > metaslab_array: 125 > metaslab_shift: 27 > ashift: 9 > asize: 16100884480 > is_log: 1 > DTL: 137 > create_txg: 10478480 > features_for_read: > -------------------------------------------- > LABEL 1 > -------------------------------------------- > version: 5000 > name: 'storage' > state: 1 > txg: 14792113 > pool_guid: 11699153865862401654 > hostid: 3089874380 > hostname: 'ggulchin.homeunix.com' > top_guid: 15354816574459194272 > guid: 15354816574459194272 > is_log: 1 > vdev_children: 3 > vdev_tree: > type: 'disk' > id: 1 > guid: 15354816574459194272 > path: '/dev/ada1s1' > phys_path: '/dev/ada1s1' > whole_disk: 1 > metaslab_array: 125 > metaslab_shift: 27 > ashift: 9 > asize: 16100884480 > is_log: 1 > DTL: 137 > create_txg: 10478480 > features_for_read: > -------------------------------------------- > LABEL 2 > -------------------------------------------- > version: 5000 > name: 'storage' > state: 1 > txg: 14792113 > pool_guid: 11699153865862401654 > hostid: 3089874380 > hostname: 'ggulchin.homeunix.com' > top_guid: 15354816574459194272 > guid: 15354816574459194272 > is_log: 1 > vdev_children: 3 > vdev_tree: > type: 'disk' > id: 1 > guid: 15354816574459194272 > path: '/dev/ada1s1' > phys_path: '/dev/ada1s1' > whole_disk: 1 > metaslab_array: 125 > metaslab_shift: 27 > ashift: 9 > asize: 16100884480 > is_log: 1 > DTL: 137 > create_txg: 10478480 > features_for_read: > -------------------------------------------- > LABEL 3 > -------------------------------------------- > version: 5000 > name: 'storage' > state: 1 > txg: 14792113 > pool_guid: 11699153865862401654 > hostid: 3089874380 > hostname: 'ggulchin.homeunix.com' > top_guid: 15354816574459194272 > guid: 15354816574459194272 > is_log: 1 > vdev_children: 3 > vdev_tree: > type: 'disk' > id: 1 > guid: 15354816574459194272 > path: '/dev/ada1s1' > phys_path: '/dev/ada1s1' > whole_disk: 1 > metaslab_array: 125 > metaslab_shift: 27 > ashift: 9 > asize: 16100884480 > is_log: 1 > DTL: 137 > create_txg: 10478480 > features_for_read: >=20 >=20 > does this mean SSD drive is corrupted? > is my pool lost forever? >=20 > thanks! >=20 >=20 > On Apr 21, 2014, at 2:24 PM, Hakisho Nukama <nukama@gmail.com> wrote: >=20 >> Hi Gena, >>=20 >> there are several options to import a pool, which might work. >> It looks like only one device is missing in raidz1, so the pool >> could be importable, if the cache device is also available. >> Try to connect it back, this can cause an non-importable pool. >>=20 >> Try reading the zpool man page and investigate into following flags: >> zpool import -F -o readonly=3Don >>=20 >> Best Regards, >> Nukama >>=20 >> On Mon, Apr 21, 2014 at 7:29 PM, Gena Guchin <ggulchin@icloud.com> = wrote: >>> Hello FreeBSD users, >>>=20 >>> my appologies for reposting, but I'd really need your help! >>>=20 >>>=20 >>> 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=92t = 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 appreciated. >>>=20 >>>=20 >>>=20 >>>=20 >>> #uname -a >>> FreeBSD XXX 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 = 22:34:59 UTC 2014 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC = amd64 >>>=20 >>> #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 >>> config: >>>=20 >>> storage UNAVAIL missing device >>> raidz1-0 DEGRADED >>> ada3 ONLINE >>> ada4 ONLINE >>> ada5 ONLINE >>> ada6 ONLINE >>> 248348789931078390 UNAVAIL cannot open >>> cache >>> ada1s2 >>> logs >>> ada1s1 ONLINE >>>=20 >>> Additional devices are known to be part of this pool, though = their >>> exact configuration cannot be determined. >>>=20 >>>=20 >>> # zpool list >>> NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT >>> zroot 920G 17.9G 902G 1% 1.00x ONLINE - >>>=20 >>> # zpool upgrade >>> This system supports ZFS pool feature flags. >>>=20 >>> All pools are formatted using feature flags. >>>=20 >>> Every feature flags pool has all supported features enabled. >>>=20 >>> # zfs upgrade >>> This system is currently running ZFS filesystem version 5. >>>=20 >>> All filesystems are formatted with the current version. >>>=20 >>>=20 >>> Thanks a lot! >>>=20 >>> =97 Gena >>> _______________________________________________ >>> freebsd-fs@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >>> To unsubscribe, send any mail to = "freebsd-fs-unsubscribe@freebsd.org" >=20
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