Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 11 Aug 2011 18:17:03 +0200
From:      Olivier Smedts <olivier@gid0.org>
To:        Martin Cracauer <cracauer@cons.org>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: ZFS zpool mirror drive replacement confusion
Message-ID:  <CABzXLYMZJJfpw=3ALn7EkvZvYizrKgogQor-vkpfpo5BnTKTQg@mail.gmail.com>
In-Reply-To: <20110811160314.GA25076@cons.org>
References:  <20110811160314.GA25076@cons.org>

next in thread | previous in thread | raw e-mail | index | archive | help
2011/8/11 Martin Cracauer <cracauer@cons.org>:
> My computer keeps doing what I say, not what I want :-)
>
> This zpool with a 2-drive mirror had a dead drive (ad10) which I
> removed. =A0After I tried to put ad2 as a replacement drive I ended up
> with the drive not in the mirror, it seems to have extended the zpool
> (it's size?).
>
> =A0 =A0 =A0 =A0NAME =A0 =A0 =A0 =A0STATE =A0 =A0 READ WRITE CKSUM
> =A0 =A0 =A0 =A0cbackup3 =A0 =A0DEGRADED =A0 =A0 0 =A0 =A0 0 =A0 =A0 0
> =A0 =A0 =A0 =A0 =A0mirror =A0 =A0DEGRADED =A0 =A0 0 =A0 =A0 0 =A0 =A0 0
> =A0 =A0 =A0 =A0 =A0 =A0ad6 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0=
 0
> =A0 =A0 =A0 =A0 =A0 =A0ad10 =A0 =A0REMOVED =A0 =A0 =A00 =A0 =A0 0 =A0 =A0=
 0
> =A0 =A0 =A0 =A0 =A0ad2 =A0 =A0 =A0 ONLINE =A0 =A0 =A0 0 =A0 =A0 0 =A0 =A0=
11
>
> Unfortunately I didn't keep note of the specific command that I used.
>
> Two questions:
>
> - Does somebody know offhand what I did and what I should have done
> =A0instead to get ad2 into the mirror?

Maybe try :
zpool history

> - Would there have been a way to remove ad2 from this set? It didn't
> =A0let me, saying it can only remove drives from mirror or raid sets.
> =A0I think it should have been possible before I mounted the filesystem
> =A0in there read-write for the first time after the drive add. =A0This
> =A0seems like an easy mistake to make.

Unfortunately, There is no way to shrink a pool, or remove vdevs.

> The array doesn't contain important data, just trying to sort out
> things for the future.
>
> Martin
> --
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> Martin Cracauer <cracauer@cons.org> =A0 http://www.cons.org/cracauer/
> _______________________________________________
> freebsd-fs@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
>



--=20
Olivier Smedts=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 _
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 ASCII ribbon campaign ( )
e-mail: olivier@gid0.org=A0 =A0 =A0 =A0 - against HTML email & vCards=A0 X
www: http://www.gid0.org=A0 =A0 - against proprietary attachments / \

=A0 "Il y a seulement 10 sortes de gens dans le monde :
=A0 ceux qui comprennent le binaire,
=A0 et ceux qui ne le comprennent pas."



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CABzXLYMZJJfpw=3ALn7EkvZvYizrKgogQor-vkpfpo5BnTKTQg>