From: Alessandro MACUZ <alessandro.macuz@gmail.com>
To: Peter Rajnoha <prajnoha@redhat.com>
Cc: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Mirrored LVM volumes and UUID
Date: Wed, 25 Sep 2013 02:24:07 +0200 [thread overview]
Message-ID: <CAFrGbuWYBEF7TYS61d6jZhOYMAg8-Ax1vuFMvgjfXyud1HgFVA@mail.gmail.com> (raw)
In-Reply-To: <523FF01F.4000403@redhat.com>
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When the mirror volume is activated, only top-level volumes are scanned
> by blkid in udev rules (it's coordinated by 11-dm-lvm.rules and
> 13-dm-disk.rules
> which are in /lib/udev/rules.d). In this case, it's the lvm01-root only
> that
> is scanned by blkid within udev processing, not the *_mimage devices. Then
> we
> end up with a symlink created only for the top-level volume in
> /dev/disk/by-uuid
> directory. And this is what is being looked for at boot...
>
> The similar situation happens with snapshot volumes which would end up with
> same FS UUID for the origin and all its snapshots. In this case, we always
> give
> priority to the origin volume.
>
> Peter
>
Many thanks Peter for your explanation,
I'll have a look at it.
Alex
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prev parent reply other threads:[~2013-09-25 0:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-20 11:30 [linux-lvm] Mirrored LVM volumes and UUID Alessandro MACUZ
2013-09-23 7:39 ` Peter Rajnoha
2013-09-25 0:24 ` Alessandro MACUZ [this message]
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