ZFS unable to import pool

[Gena Guchin]

Linda, 

the pool is exported. I can't import it back in. 
I can't offline or online while the pool is exported.


:(

On Apr 22, 2014, at 9:39 AM, Linda Kateley <lkateley at kateley.com> wrote:

> Have you tried to offline the disk? Then online the disk?
> 
> lk
> 
> 
> On 4/22/14, 11:36 AM, Gena Guchin wrote:
>> Ronald,
>> 
>> system does see the disk, ada7, in this case. Nothing has been disconnected from the system.
>> 
>> what steps do you suggest I take with GEOM?
>> 
>> 
>> thanks!
>> 
>> 
>> On Apr 22, 2014, at 2:49 AM, Ronald Klop <ronald-lists at klop.ws> wrote:
>> 
>>> On Mon, 21 Apr 2014 21:29:27 +0200, Gena Guchin <ggulchin at icloud.com> wrote:
>>> 
>>>> 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 appreciated.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> #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
>>>> config:
>>>> 
>>>>       storage                 UNAVAIL  missing device
>>>>         raidz1-0              DEGRADED
>>>>           ada3                ONLINE
>>>>           ada4                ONLINE
>>>>           ada5                ONLINE
>>>>           ada6                ONLINE
>>>>           248348789931078390  UNAVAIL  cannot open
>>>>       cache
>>>>         ada1s2
>>>>       logs
>>>>         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 reappear.
>>> 
>>> Ronald.
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