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!
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