From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio M. Di Nitto <fdinitto@redhat.com>
Date: Tue, 10 Jul 2012 13:43:52 +0200
Subject: [Cluster-devel] cluster.cman.nodename vanish on config reload
In-Reply-To: <24E144B8C0207547AD09C467A8259F75574EFF76@lisa.maurer-it.com>
References: <24E144B8C0207547AD09C467A8259F75574EFF76@lisa.maurer-it.com>
Message-ID: <4FFC1578.3000005@redhat.com>
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If are running stable32 from git, can you please revert:

commit 8975bd6341b2d94c1f89279b1b00d4360da1f5ff

and see if it?s still a problem?

Thanks
Fabio

On 7/10/2012 1:33 PM, Dietmar Maurer wrote:
> I just updated from 3.1.8 to latest STABLE32:
> 
>  
> 
> I use this cluster.conf:
> 
>  
> 
> # cat /etc/cluster/cluster.conf
> 
> <?xml version="1.0"?>
> 
> <cluster config_version="235" name="test">
> 
>   <cman keyfile="/var/lib/pve-cluster/corosync.authkey" transport="udpu"/>
> 
>   <clusternodes>
> 
>     <clusternode name="maui" nodeid="3" votes="1"/>
> 
>     <clusternode name="cnode1" nodeid="1" votes="1"/>
> 
>   </clusternodes>
> 
>   <rm>
> 
>     <pvevm autostart="0" vmid="100"/>
> 
>   </rm>
> 
> </cluster>
> 
>  
> 
> cman service starts without problems:
> 
>  
> 
> # /etc/init.d/cman start
> 
> Starting cluster:
> 
>    Checking if cluster has been disabled at boot... [  OK  ]
> 
>    Checking Network Manager... [  OK  ]
> 
>    Global setup... [  OK  ]
> 
>    Loading kernel modules... [  OK  ]
> 
>    Mounting configfs... [  OK  ]
> 
>    Starting cman... [  OK  ]
> 
>    Waiting for quorum... [  OK  ]
> 
>    Starting fenced... [  OK  ]
> 
>    Starting dlm_controld... [  OK  ]
> 
> Starting GFS2 Control Daemon: gfs_controld.
> 
>    Unfencing self... [  OK  ]
> 
>    Joining fence domain... [  OK  ]
> 
>  
> 
> And the corosync objdb contains:
> 
>  
> 
> # corosync-objctl|grep cluster.cman
> 
> cluster.cman.keyfile=/var/lib/pve-cluster/corosync.authkey
> 
> cluster.cman.transport=udpu
> 
> cluster.cman.nodename=maui
> 
> cluster.cman.cluster_id=1678
> 
>  
> 
> Note: there is a value for ?nodename? and ?cluster_id?
> 
>  
> 
> Now I simply increase the version inside cluster.conf (on both nodes):
> 
>  
> 
> # cat /etc/cluster/cluster.conf
> 
> <?xml version="1.0"?>
> 
> <cluster config_version="236" name="test">
> 
>   <cman keyfile="/var/lib/pve-cluster/corosync.authkey" transport="udpu"/>
> 
>   <clusternodes>
> 
>     <clusternode name="maui" nodeid="3" votes="1"/>
> 
>     <clusternode name="cnode1" nodeid="1" votes="1"/>
> 
>   </clusternodes>
> 
>   <rm>
> 
>     <pvevm autostart="0" vmid="100"/>
> 
>   </rm>
> 
> </cluster>
> 
>  
> 
> And trigger a reload:
> 
>  
> 
> # cman_tool version -r ?S
> 
> cman_tool: Error loading configuration in corosync/cman
> 
>  
> 
> And the syslog have more details:
> 
>  
> 
> Jul 10 13:28:25 maui corosync[488675]:   [CMAN  ] cman was unable to
> determine our node name!
> 
> Jul 10 13:28:25 maui corosync[488675]:   [CMAN  ] Can't get updated
> config version: Successfully read config from /etc/cluster/cluster.conf#012.
> 
> Jul 10 13:28:25 maui corosync[488675]:   [CMAN  ] Continuing activity
> with old configuration
> 
>  
> 
> Somehow the nodename and cluster_id values are removed from the corosync
> objdb:
> 
>  
> 
> # corosync-objctl|grep cluster.cman
> 
> cluster.cman.keyfile=/var/lib/pve-cluster/corosync.authkey
> 
> cluster.cman.transport=udpu
> 
>  
> 
>  
> 
> Any Idea why that happens?
> 
>  
> 
> - Dietmar
> 
>  
>