Problem with corrupted file on raidz.

[Peter Ankerstål]

And oh. 

scrub runs fine and reports 0 errors. But zpool clear does not clear these errors but from what I've read this is expected behavior. 

On Mar 13, 2012, at 11:37 PM, Peter Ankerstål wrote:

> Hi, I have a newly installed 3 disk raidz but I just got this:
> 
> # uname -a
> FreeBSD torus 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan  3 07:46:30 UTC 2012     root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> # zpool status -v
> pool: store
> 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
> scan: scrub repaired 0 in 1h50m with 0 errors on Tue Mar 13 23:02:53 2012
> config:
> 
> 	NAME        STATE     READ WRITE CKSUM
> 	store       ONLINE       0     0     0
> 	  raidz1-0  ONLINE       0     0     0
> 	    ada0    ONLINE       0     0     0
> 	    ada1    ONLINE       0     0     0
> 	    ada2    ONLINE       0     0     0
> 
> errors: Permanent errors have been detected in the following files:
> 
>      <0x7e>:<0x1f3>
> 
> 
> The <0x7e>:<0x1f3> was store/backup:somefile but then I first removed the file and <0x1f3> appeared and then I removed
> the whole zfs filesystem and the <0x7e> appeared.. 
> 
> First of all, how could I get this type of error when I have a redundant disk setup, also it doesn't show any checksum errors. And second, is there a way to clear this error? After all only one file was affected and is now removed. Actually the whole filesystem is removed.
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