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Date:      Wed, 18 Nov 2009 22:21:17 -0500
From:      Glen Barber <>
To:        Rolf Nielsen <>,
Subject:   Re: Loader does not load after reinstall with previous mirrored disk attached
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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Hi Rolf and Adam,

Since you both seemingly responded with the same solution, I'll
respond including the more verbose response:

On Wed, Nov 18, 2009 at 10:01 PM, Rolf Nielsen
<> wrote:
> I recently, successfully, broke a gmirror by simply issuing gmirror clear on
> all the disks, three in my case. Since gmirror stores metadata in the last
> sector of the disks (according to the gmirror man page) and everything else
> is untouched, issuing a gmirror clear reverts the disks to single disk
> usage, and since the data isn't striped, the system will be able to read the
> data and mount the filesystem(s).

This makes sense, and hopefully I will not have to try it for some
time, next time I need to break a mirror, I will try 'clear'-ing it


Glen Barber

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