[linux-lvm] Grow Live GFS volume in clustered environment?

Eric Adair cberic3 at comcast.net
Tue Oct 3 01:32:32 UTC 2006

Is it possible to grow live GFS volumes in a clustered environment?  
Or even grow them at all if they are clustered? I am assuming this is  
possible, but I am running into serious roadblocks.

I am trying to grow a live GFS volume in a 2 node cluster. We have 3  
LVM volume groups (1 physical volume each) all mounted to 3 different  
mount points. Everything works great as far as both nodes reading,  
writing, etc to each. Both nodes mount and use each volume  
simultaneously without a hitch.

Now that the volumes are mounted and all in use, I get "error locking  
on node" errors when trying to create new volume groups with new  
physical volumes, or even just adding physical volumes to existing  
logical volume groups. This happens even if I unmount the volume on  
both nodes. I can't even deactivate and reactivate the existing  
volume groups, no matter what I do, without getting the same error.

Am I missing something basic?


	FC5 kernel-smp 2.6.17-1.2174

	dlm locking, all necessary lvm.conf changes set for cluster locking,  
lvm's set for 2 node 		
	clustering, etc.


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