We've got a problem using a mirrored and clustered LV within a 5 nodes cluster.
Everything is fine, except when a node leave the cluster, with cman_tool leave, /etc/init/d/cman stop, electric poweroff or whatever.
In this case the storage just freeze on the others nodes, during 20 seconds, until openais take into account the configuration change.
We can see this during the freeze in /var/log/messages :
openais[3136]: [TOTEM] The token was lost in the OPERATIONAL state.
[...]
kernel: device-mapper: dm-log-clustered: [1lXq0Alc] Request timed out: [DM_CLOG_MARK_REGION/405288] - retrying
[...]
openais[3136]: [TOTEM] entering OPERATIONAL state.
I'm running lastest 5.7, with :
- kernel-xen-2.6.18-274.12.1,
- cman-2.0.115-85,
- lvm2-cluster-2.02.84-6
- cmirror-1.1.39-10
- kmod-cmirror-xen-0.1.22-3
Is this a normal behavior ?
Thanks for help
Nicolas AGIUS
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