Help needed! ZFS I/O error recovery?

Pawel Jakub Dawidek pjd at FreeBSD.org
Sun Oct 4 21:23:49 UTC 2009


On Sun, Oct 04, 2009 at 03:04:57PM -0500, Aaron Hurt wrote:
> I am experiencing a similar issue with a small box here at the house.  
> It is not on a raid controller, just a standard 4 port non-raid.  It is 
> also giving an I/O error unable to import message.  This started 
> happening after a situation similar to the above where I had a drive 
> going bad that started giving dma read/write errors and causing the 
> machine to lock up...not panic or crash just freeze...so I just turned 
> the machine off until I had time to backup the data and move it to a new 
> array.  However, when I went to do that to this particular raidz1 pool 
> showed faulted and had a status message about corrupt meta data.  I 
> hoped I could export/import that pool to get it back in a readable 
> state.  That didn't work, the array exported fine without error but now 
> refuses to import saying I/O error unable to import.  Long story made 
> short, I would also be very appreciative of any ZFS related data 
> recovery information or processes.

For starters I'd need FreeBSD version you use, 'zpool import' output,
'zdb -l /dev/<disk>' output for each pool component.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-fs/attachments/20091004/835604c1/attachment.pgp


More information about the freebsd-fs mailing list