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R: [Linux-cluster] CS4 U2 / problem to configure a 3 nodes cluster



 

> -----Messaggio originale-----
> Da: linux-cluster-bounces redhat com 
> [mailto:linux-cluster-bounces redhat com] Per conto di Alain Moulle
> Inviato: martedì 11 aprile 2006 8.09
> A: linux-cluster redhat com
> Oggetto: R: [Linux-cluster] CS4 U2 / problem to configure a 3 
> nodes cluster
> 
> >Hi
> >>
> >> I'm trying to configure a simple 3 nodes cluster with simple tests 
> >> scripts.
> >> But I can't start cman, it remains stalled with this message in 
> >> syslog :
> >> Apr 10 11:37:44 s_sys yack21 ccsd: startup succeeded Apr 
> 10 11:38:00 
> >> s_kernel yack21 kernel: CMAN 2.6.9-39.5 (built Sep 20 2005
> >> 16:04:34) installed
> >> Apr 10 11:38:00 s_kernel yack21 kernel: NET: Registered protocol 
> >> family 30 Apr 10 11:38:00 s_sys yack21 ccsd[25004]:
> >> cluster.conf (cluster name = HA_METADATA_3N, version = 8) found.
> >> Apr 10 11:38:00 s_kernel yack21 kernel: CMAN: Waiting to 
> join or form 
> >> a Linux-cluster Apr 10 11:38:01 s_sys yack21
> >> ccsd[25004]: Connected to cluster infrastruture
> >> via: CMAN/SM Plugin v1.1.2
> >> Apr 10 11:38:01 s_sys yack21 ccsd[25004]: Initial status::
> >> Inquorate Apr 10 11:38:32 s_kernel yack21 kernel: CMAN:
> >> forming a new cluster
> >>
> >> and nothing more.
> >>
> >> The graphic tool dos not detect any error in configuration; I 've 
> >> attached my cluster.conf for the three nodes, knowing that 
> I wanted 
> >> two nodes (yack10 and yack21) running theirs applications 
> and the 3rd 
> >> one (yack23) as a backup for yack10 and/or yack21, but I 
> don't want 
> >> any failover between yack10 and yack21.
> >>
> >> PS : I 've verified all ssh connections between the 3 
> nodes, and all 
> >> the fence paths as described in the cluster.conf.
> >> Thanks again for your help.
> >>
> >> Alain
> >>
> 
> 
> >Are you starting the cman on all three nodes in the same 
> time? A node 
> >doesn't start until each other node is starting. Timing is 
> important during booting.
> 
> >Leandro
> 
> Hi, no I wasn't ...
> I've tried now, and this is ok on yack21 and yack23, but not 
> on yack10, is there something wrong in the cluster.conf to 
> explain this behavior ?
> On yack10 , cman is trying to :
> CMAN: forming a new cluster
> but fails with a timeout ...
> 
> ??
> Thanks
> Alain
> -- 
> 

Maybe this time is due to a firewall setup, as already stated on the list. A tcpdump from yack10 to the other nodes may help you catch the bug.

Leandro


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