[Linux-cluster] Problems with cluster (fencing?)

vu pham vu at sivell.com
Thu Mar 19 13:35:17 UTC 2009


  Mikko Partio wrote:
> 
> 
> 2009/3/19 <Harri.Paivaniemi at tieto.com <mailto:Harri.Paivaniemi at tieto.com>>
> 
> 
>     ""Also, if I shut down both nodes and start just one of them, the
>     starting node still waits in the "starting fencing" part many
>     minutes even though the cluster should be quorate (there's a quorum
>     disk)!
>     ""
> 
>     I had a similar situation and the reason why the first node couldn't
>     get up alone was, that cman was starting before qdiskd and so it
>     didn't see quorum disk votes and was not quorate at the moment. I
>     changed those (boot order) vice-versa and immediately node boots up
>     ok and is up'n running...
> 
> 
> 
> That does make sense. Do you know if there's a reason for cman to start 
> before qdisk or is it just a bug? Any Red Hat developers looking at this 
> thread?
> 


The section *Limitations* in man page of qdisk(5), in my RHEL 5.2, has :
" * CMAN must be running before the qdisk program  can  operate  in 
full capacity.  If CMAN is not running, qdisk will wait for it."


Vu






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