strange zpool status output

[Andriy Bakay]

 On Tue, 12 Jul 2011 13:22:53 +0100, Steven Hartland wrote:
> zpool status
>  pool: tank
> 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
> scrub: scrub in progress for 307445734561825859h27m, 6.96% done,
> 307445734561825849h8m to go
> config:
>
>        NAME        STATE     READ WRITE CKSUM
>        tank        ONLINE       0     0     0
>          da0s3h    ONLINE       0     0     0
>
> This has only just started scrubbing after a reboot into single user 
> mode
> about 5 mins ago, so something looks odd here ;-)
>
>    Regards
>    Steve
>
> ================================================
> This e.mail is private and confidential between Multiplay (UK) Ltd.
> and the person or entity to whom it is addressed. In the event of
> misdirection, the recipient is prohibited from using, copying,
> printing or otherwise disseminating it or any information contained 
> in
> it.
>
> In the event of misdirection, illegible or incomplete transmission
> please telephone +44 845 868 1337
> or return the E.mail to postmaster at multiplay.co.uk.
>
> _______________________________________________
> freebsd-fs at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"

 I had similar "strange" numbers and some READ/WRITE/CKSUM intermittent 
 recoverable error (in your case it could be not recoverable) when my 
 non-ECC RAM was corrupted. Maybe you should run memtest86+?