ZFS trashed by bad import

[Andriy Gapon]

On 17/02/2018 18:33, James Phillips wrote:
> 
> --------------------------------------------
> On Sat, 2/17/18, Andriy Gapon <avg at FreeBSD.org> wrote:
> 
>  Subject: Re: ZFS trashed by bad import
>  To: "James Phillips" <anti_spam256 at yahoo.ca>
>  Received: Saturday, February 17, 2018, 2:46 PM
>  
>  On 17/02/2018 09:41, James
>  Phillips via freebsd-fs wrote:
>  > # zpool import  ->
>  shows list of available pools, including degraded striped
>  mirror.
>  > # zpool import -f
>  8255478166520290766 granny
>  > # zpool
>  status (any zpool command cause same error):
>  >      internal error: failed to
>  initialize ZFS library
>  
>  Not sure if this is what happened, but it looks
>  like the pool might have a
>  filesystem with
>  mountpoint set to / and it got mounted over the real / after
>  import.
>  So, you might have a mismatch
>  between userland and kernel that causes the
>  further issues.
> 
> I did import by number because the zroot label conflicted.

This is not directly related.
It's better to import a new pool using -R (altroot) option, so that it does not
interfere with the already mounted filesystems and you can examine and modify it.


-- 
Andriy Gapon