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Date:      Thu, 13 Jun 2013 15:40:24 +0300
From:      Kimmo Paasiala <kpaasial@gmail.com>
To:        Johan Hendriks <joh.hendriks@gmail.com>
Cc:        freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: zpool labelclear destroys GPT data
Message-ID:  <CA%2B7WWSdrS2QYKe8-w31dnxYRriYbhYjj_dwOjhXtTvSsh8Cisw@mail.gmail.com>
In-Reply-To: <51B9BB14.6020103@gmail.com>
References:  <51B9BB14.6020103@gmail.com>

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The 'device' can be a partition as well as the whole disk, use 'zpool
labelclear' on the freebsd-zfs partition instead of the whole disk.

-Kimmo

On Thu, Jun 13, 2013 at 3:29 PM, Johan Hendriks <joh.hendriks@gmail.com> wrote:
> When i use zpool labelclear, it wipes the whole disk including gpt data.
> So the whole disk is empty and i need to create the gpt partitions again.
>
> Is this supposed to work like this?
> The man page suggests that it only wipes the ZFS metadata.
>
> zpool labelclear [-f] device
>
>          Removes ZFS label information from the specified device. The device
>          must not be part of an active pool configuration.
>
>          -v      Treat exported or foreign devices as inactive.
>
> This is on FreeBSD 9.1 stable r251213 memstick install.
>
> regards
>
> Johan Hendriks
> Neuteboom Automatisering
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