[linux-lvm] Mirrored LVM volumes and UUID
alessandro.macuz at gmail.com
Wed Sep 25 00:24:07 UTC 2013
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
> which are in /lib/udev/rules.d). In this case, it's the lvm01-root only
> is scanned by blkid within udev processing, not the *_mimage devices. Then
> end up with a symlink created only for the top-level volume in
> 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
> priority to the origin volume.
Many thanks Peter for your explanation,
I'll have a look at it.
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