Re: Having a disk double listes in a zraid3 pool

From: Julien Cigar <julien_at_perdition.city>
Date: Mon, 17 Jul 2023 12:10:02 UTC
On Mon, Jul 17, 2023 at 01:59:32PM +0200, Willem Jan Withagen wrote:
> Hi,
> 
> I admit it is on Linux, but still hope to find the answer here...
> 
> When Replacing a broken disk I ended up with 2 times the same disk

How did you replace the broken disk?

The correct way is to issue 1) zpool offline, 2) replace physical disk and
3) gpart backup good_disk|gpart restore -F new_disk 4) zpool replace

Also, don't forget to boot code on the EFI partition

> and thus the zraid is in DEGRADED state:
>   pool: zfs-data
>  state: DEGRADED
> 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 clear' or replace the device with 'zpool replace'.
>    see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-9P
>   scan: resilvered 1.09G in 00:01:10 with 0 errors on Mon Jul 17 13:36:10
> 2023
> config:
> 
>         NAME        STATE     READ WRITE CKSUM
>         zfs-data    DEGRADED     0     0     0
>           raidz3-0  DEGRADED     0     0     0
>             sdb     ONLINE       0     0     0
>             sdd     ONLINE       0     0     0
>             sde     ONLINE       0     0     0
>             sdf     ONLINE       0     0     0
>             sdg     ONLINE       0     0     0
>             sdh     ONLINE       0     0     0
>             sdi     ONLINE       0     0     0
>             sdj     ONLINE       0     0     0
>             sdk     ONLINE       0     0     0
>             sdl     OFFLINE      0     0     0
>             sdl     ONLINE       0     0     0
>           raidz3-1  ONLINE       0     0     0
>             sdm     ONLINE       0     0     0
>             sdn     ONLINE       0     0     0
>             sdo     ONLINE       0     0     0
>             sdq     ONLINE       0     0     5
>             sdp     ONLINE       0     0     5
>             sdr     ONLINE       0     0     0
>             sds     ONLINE       0     0     0
>             sdt     ONLINE       0     0     0
>             sdu     ONLINE       0     0     0
>             sdv     ONLINE       0     0     0
>             sdw     ONLINE       0     0     0
>             sdx     ONLINE       0     0     0
> 
> errors: No known data errors
> 
> Any idea how to fix this?
> 
> Regards,
> --WjW
> 

-- 
Julien Cigar
Belgian Biodiversity Platform (http://www.biodiversity.be)
PGP fingerprint: EEF9 F697 4B68 D275 7B11  6A25 B2BB 3710 A204 23C0
No trees were killed in the creation of this message.
However, many electrons were terribly inconvenienced.