[Linux-cluster] CLVMD hangs

Christine Caulfield ccaulfie at redhat.com
Fri Jan 15 14:19:34 UTC 2010

On 15/01/10 07:25, cluster at xinet.it wrote:
> Hi all,
> i use redhat cluster my os version is 5.4. I have a three-node cluster
> and clustered VG (XenVG) with many LV (one for each VM). After a cluster
> reboot I’m not able to restart clvmd anymore due to vgscan hangs.
> Is there a way to convert the clustered VG to a non-clustered one? I
> tried changing the locking_typ parameter from 3 to 1 but it wasn’t the
> right solution.

You can remove the cluster flag from a VG with the following command

vgchange -cn <vg> --config 'global {locking_type = 0}'

If you're amenable it would be helpful to try and debug this. Can you add


to the file /etc/sysconfig/cluster

and post the clvmd parts of system to me please.



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