[Linux-cluster] Clvm on imported Gnbd Problem

Jonathan E Brassow jbrassow at redhat.com
Mon May 22 15:11:02 UTC 2006

What do you have for 'locking_type' and 'locking_library' in 

If these are not set to '2' and 'liblvm2clusterlock.so' respectively, 
your second node will know nothing of what is taking place on your 
first node.

Do you have lvm2-cluster installed?


On May 21, 2006, at 12:55 PM, nattapon viroonsri wrote:

> rhel4.0,rhcs4 gfs6.1 , gnbd1.0, piranha-0.8.0-1
> Load balance Structure:
> director: director1
> 2 node(real server): cluster1, cluster2
> gnbd server: gnbd_serv
> Gnbd server have no cluster software enable.
> I have export disk as block deives on gnbd server with following step
> #gnbd_serv -n
> # gnbd_export -c -e slice0 -d /dev/sdb
> then import device on both real server node(cluster1,cluster2) 
> completely
> #gnbd_impoart -i gnbd_serv
> and start all cluster service successfull( ccsd, cman,fence, clvm, 
> gfs).
> I builded  lvm at cluster1 (first real server node)  on imported 
> device from gnbd server
> and have no any error and can format device with gfs.
> But when i list lvm on another node (cluster2)  with pvs and lvs 
> command It have not found lvm i have created on cluster1.
> cluster2 only see the original block device that import from gnbd_serv.
> Clvm have start successfully but look like both node cannot sync 
> status of lvm.
> Do i miss some thing before create lvm on imported block device  ?
> Nattapon,
> Regard
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