ZFS help!

[Mike Tancsa]

On 1/29/2011 10:13 PM, James R. Van Artsdalen wrote:
> On 1/28/2011 4:46 PM, Mike Tancsa wrote:
>>
>> I had just added another set of disks to my zfs array. It looks like the
>> drive cage with the new drives is faulty.  I had added a couple of files
>> to the main pool, but not much.  Is there any way to restore the pool
>> below ? I have a lot of files on ad0,1,4,6 and ada4,5,6,7 and perhaps
>> one file on the new drives in the bad cage.
> 
> Get another enclosure and verify it works OK.  Then move the disks from
> the suspect enclosure to the tested enclosure and try to import the pool.
> 
> The problem may be cabling or the controller instead - you didn't
> specify how the disks were attached or which version of FreeBSD you're
> using.
> 

OK, good news (for me) it seems. New cage and all seems to be recognized correctly.  The history is 

...
2010-04-22.14:27:38 zpool add tank1 raidz /dev/ada4 /dev/ada5 /dev/ada6 /dev/ada7
2010-06-11.13:49:33 zfs create tank1/argus-data
2010-06-11.13:49:41 zfs create tank1/argus-data/previous
2010-06-11.13:50:38 zfs set compression=off tank1/argus-data
2010-08-06.12:20:59 zpool replace tank1 ad1 ad1
2010-09-16.10:17:51 zpool upgrade -a
2011-01-28.11:45:43 zpool add tank1 raidz /dev/ada0 /dev/ada1 /dev/ada2 /dev/ada3

FreeBSD RELENG_8 from last week, 8G of RAM, amd64.

 zpool status -v
  pool: tank1
 state: ONLINE
status: One or more devices has experienced an error resulting in data
        corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
        entire pool from backup.
   see: http://www.sun.com/msg/ZFS-8000-8A
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        tank1       ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            ad0     ONLINE       0     0     0
            ad1     ONLINE       0     0     0
            ad4     ONLINE       0     0     0
            ad6     ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            ada0    ONLINE       0     0     0
            ada1    ONLINE       0     0     0
            ada2    ONLINE       0     0     0
            ada3    ONLINE       0     0     0
          raidz1    ONLINE       0     0     0
            ada5    ONLINE       0     0     0
            ada8    ONLINE       0     0     0
            ada7    ONLINE       0     0     0
            ada6    ONLINE       0     0     0

errors: Permanent errors have been detected in the following files:

        /tank1/argus-data/previous/argus-sites-radium.2011.01.28.16.00
        tank1/argus-data:<0xc6>
        /tank1/argus-data/argus-sites-radium

0(offsite)# zpool get all tank1
NAME   PROPERTY       VALUE       SOURCE
tank1  size           14.5T       -
tank1  used           7.56T       -
tank1  available      6.94T       -
tank1  capacity       52%         -
tank1  altroot        -           default
tank1  health         ONLINE      -
tank1  guid           7336939736750289319  default
tank1  version        15          default
tank1  bootfs         -           default
tank1  delegation     on          default
tank1  autoreplace    off         default
tank1  cachefile      -           default
tank1  failmode       wait        default
tank1  listsnapshots  on          local


Do I just want to do a scrub ?

Unfortunately, http://www.sun.com/msg/ZFS-8000-8A gives a 503


	---Mike