[zfs-discuss] When should I replace a disk?

Eric Schrock
2005-11-18T19:09:48Z

This sounds suspiciously like bad hardware - that''s a lot of consistent
read errors.  Are there any syslog messages from sd/your favorite
driver?

- Eric

On Fri, Nov 18, 2005 at 10:44:36AM -0800, Per ?berg
wrote:
> I''m getting the following status from a ZFS mirror.
>
> unknown# zpool status
>   pool: mypool
>  state: ONLINE
> status: One or more devices has experienced an unrecoverable error.  An
>         attempt was made to correct the error.  Applications are
unaffected.
> action: Determine if the device needs to be replaced, and clear the errors
>         using ''zpool online'' or replace the device with
''zpool replace''.
>    see: http://www.sun.com/msg/ZFS-8000-9P
>  scrub: scrub stopped with 0 errors on Fri Nov 18 12:08:27 2005
> config:
>
>         NAME        STATE     READ WRITE CKSUM
>         mypool      ONLINE       0     0     0
>           mirror    ONLINE       0     0     0
>             c2d0    ONLINE       0     0     0
>             c3d0    ONLINE     601     0     0  201K repaired
> unknown# zfs list mypool
> NAME                   USED  AVAIL  REFER  MOUNTPOINT
> mypool                2,78G   227G     8K  /mypool
> unknown#
>
> I''ve made a scrub, but READ errors increase. Should I replace HW
with this level of errors? Pool has just been used for a zone install.
>
> /Per
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--
Eric Schrock, Solaris Kernel Development       http://blogs.sun.com/eschrock