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Re: [Linux-cluster] HA LVM won't strip tags



Hi,

On Tue, Sep 18, 2012 at 04:26:43PM +0300,
urgrue <urgrue bulbous org> wrote:
> Using tag-based HA LVM. If NodeA loses access to the disks, it's
> naturally unable to strip the tags out.

> NodeB will not recover the service because the tags of NodeA are in the
> VG. Even though NodeB can fully communicate with the NodeA, quorum is
> established, etc.
> 
> Question 1) couldn't I somehow set up NodeB to fence NodeA and strip the
> tags? This is what it does if it thinks NodeA is offline, anyway.

You can use the self_fence option of the LVM resource agent.
If the node which loses disk-access is not able to clean-up the tags,
it tries to reboot itself by issuing "reboot -fn".

Best Regards,
Volker


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