Errors on a file on a zpool: How to remove?

[Rich]

I can't; any operations on the file yield EIEIO...err, EIO, input/output error.

- Rich

On Sat, Jan 23, 2010 at 7:48 AM, Andrew Snow <andrew at modulus.org> wrote:
> Rich wrote:
>>
>> zpool clear always clears the checksum column whenever I run it.
>>
>> Then, as soon as I touch those files again, or run a scrub, the
>> checksum error numbers tick up on those three disks, and those entries
>> appear in /var/log/messages.
>
> That is the normal behaviour if there are no additional copies of the data
> to go from (via mirroring or RAIDZ): it sees that the file has blocks with
> incorrect checksums, but it won't take action as there's no way to know if
> the file data is corrupt or the checksum value is wrong.
>
> You might be able to clear it by renaming the file and copying it back in
> place, and thus the new file will not have any bad checksums (but likely
> will contain corrupt data).
>
> - Andrew
>



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