clear old pools remains from active vdevs

[Andriy Gapon]

On 26/04/2018 10:28, Eugene M. Zheganin wrote:
> Hello,
> 
> 
> I have some active vdev disk members that used to be in pool that clearly have
> not beed destroyed properly, so I'm seeing in a "zpool import" output something
> like
> 
> 
> # zpool import
>    pool: zroot
>      id: 14767697319309030904
>   state: UNAVAIL
>  status: The pool was last accessed by another system.
>  action: The pool cannot be imported due to damaged devices or data.
>    see: http://illumos.org/msg/ZFS-8000-EY
>  config:
> 
>         zroot                    UNAVAIL  insufficient replicas
>           mirror-0               UNAVAIL  insufficient replicas
>             5291726022575795110  UNAVAIL  cannot open
>             2933754417879630350  UNAVAIL  cannot open
> 
>    pool: esx
>      id: 8314148521324214892
>   state: UNAVAIL
>  status: The pool was last accessed by another system.
>  action: The pool cannot be imported due to damaged devices or data.
>    see: http://illumos.org/msg/ZFS-8000-EY
>  config:
> 
>         esx                       UNAVAIL  insufficient replicas
>           mirror-0                UNAVAIL  insufficient replicas
>             10170732803757341731  UNAVAIL  cannot open
>             9207269511643803468   UNAVAIL  cannot open
> 
> 
> is there any _safe_ way to get rid of this ? I'm asking because a gptzfsboot
> loader in recent -STABLE stumbles upon this and refuses to boot the system
> (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227772). The workaround is to
> use the 11.1 loader, but I'm afraid this behavior will now be the intended one.

You can try to use zdb -l to find the stale labels.
And then zpool labelclear to clear them.


-- 
Andriy Gapon