zpool errors

[Adam]

On Wed, Jul 10, 2019 at 9:50 AM Daniel Braniss <danny at cs.huji.ac.il> wrote:

> hi,
> i got a degraded pool, but can’t make sense  of the file name:
>
> protonew-2# zpool status -vx
>  pool: h
> 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://illumos.org/msg/ZFS-8000-8A <
> http://illumos.org/msg/ZFS-8000-8A>
>  scan: scrub repaired 6.50K in 17h30m with 0 errors on Wed Jul 10 12:06:14
> 2019
> config:
>
>        NAME          STATE     READ WRITE CKSUM
>        h             ONLINE       0     0 14.4M
>          gpt/r5/zfs  ONLINE       0     0 57.5M
>
> errors: Permanent errors have been detected in the following files:
>
>        <0x102>:<0x30723>
>        <0x102>:<0x30726>
>        <0x102>:<0x3062a>
>  …
>        <0x281>:<0x0>
>        <0x6aa>:<0x305cd>
>        <0xffffffffffffffff>:<0x305cd>
>
>
> any hints as how I can identify third files?
>
> thanks,
>         danny
>

You can brute force it like this:

find /data -type file -exec sh -c 'dd if="$0" bs=1m status=progress
of=/dev/null' {} \;

to check each file for readability, but it's a hack that has diminishing
usefulness for larger file systems.


-- 
Adam