[linux-lvm] clvmd on cman waits forever holding the P_#global lock on node re-join

Jacek Konieczny jajcus at jajcus.net
Fri Dec 14 07:14:00 UTC 2012

On Wed, Dec 12, 2012 at 11:14:09PM +0000, Dmitry Panov wrote:
> 1. If the problem with stuck entry in the updown hash is fixed it will 
> cause operations to fail until clvmd is started on the re-joined node. 
> Is there any particular reason for making them fail? Is it to avoid a 
> race condition when newly started clvmd might not receive a message 
> generated by an 'old' node?

For me clvmd would not work (refuse any cluster locking) if any node
leaves the cluster (making cluster LVM useless for fail-over), unless I
applied this patch:



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