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Re: [Linux-cluster] RHEL5.1 beta and qdisk



On Fri, Aug 03, 2007 at 09:02:10AM +0200, Jacques Botha wrote:
> No fencing being attempted, it just sits there, and the last thing in
> the log is qdisk upgrading the status of the cluser:
> 
> 
> Aug  2 10:36:21 fnbgw01 qdiskd[3519]: <info> Quorum Partition: /dev/sdb1
> Label: fnbgw_qdisk 
> Aug  2 10:36:21 fnbgw01 qdiskd[3520]: <info> Quorum Daemon Initializing 
> Aug  2 10:36:24 fnbgw01 qdiskd[3520]: <info> Heuristic: 'ping
> 172.20.28.193 -c3 -t1' UP 
> Aug  2 10:36:24 fnbgw01 qdiskd[3520]: <info> Heuristic: 'ping
> 172.20.28.195 -c3 -t1' UP 
> Aug  2 10:36:24 fnbgw01 qdiskd[3520]: <info> Heuristic: 'ping
> 172.20.28.196 -c3 -t1' UP 
> Aug  2 10:36:24 fnbgw01 qdiskd[3520]: <info> Heuristic: 'ping
> 172.20.28.197 -c3 -t1' UP 
> Aug  2 10:36:24 fnbgw01 qdiskd[3520]: <info> Heuristic: 'ping
> 172.20.28.198 -c3 -t1' UP 
> Aug  2 10:36:31 fnbgw01 qdiskd[3520]: <info> Initial score 6/6 
> Aug  2 10:36:31 fnbgw01 qdiskd[3520]: <info> Initialization complete 
> Aug  2 10:36:31 fnbgw01 openais[3469]: [CMAN ] quorum device registered 
> Aug  2 10:36:31 fnbgw01 qdiskd[3520]: <notice> Score sufficient for
> master operation (6/6; required=3); upgrading 
> Aug  2 10:36:45 fnbgw01 qdiskd[3520]: <info> Assuming master role 
> 
> And after that you can't get any joy.

Does it happen w/o qdisk?

Note that with qdisk in a 2-node cluster, you want expected_votes = 3,
two_node = 0, one vote per node and 1 vote for qdisk. 

In a 2-node cluster w/o qdisk, you want expected_votes = 1, two_node =
1.  Fencing is required whenever two_node = 1, even if it's manual
fencing.


-- 
Lon Hohberger - Software Engineer - Red Hat, Inc.


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