Michael,
what version of knet you are using? We had quite a few problems with
older versions of knet, so current stable is recommended (1.16). Same
applies for corosync because 3.0.4 has vastly improved display of links
status.
Hello,
We have massive problems with the redundant ring operation of our Corosync /
pacemaker 3 Node NFS clusters.
Most of the nodes either have an entire ring offline or only 1 node in a ring.
Example: (Node1 Ring0 333 Ring1 n33 | Node2 Ring0 033 Ring1 3n3 | Node3 Ring0
333 Ring 1 33n)
Doesn't seem completely wrong. You can ignore 'n' for ring 1, because
that is localhost which is connected only on Ring 0 (3.0.4 has this
output more consistent) so all nodes are connected at least via Ring 1.
Ring 0 on node 2 seems to have some trouble with connection to node 1
but node 1 (and 3) seems to be connected to node 2 just fine, so I think
it is ether some bug in knet (probably already fixed) or some kind of
firewall blocking just connection from node 2 to node 1 on ring 0.
corosync-cfgtool -R don't help
All nodes are VMs that build the ring together using 2 VLANs.
Which logs do you need to hopefully help me?
syslog/journal should contain everything needed especially when debug is
enabled (corosync.conf - logging.debug: on)
Regards,
Honza
Corosync Cluster Engine, version '3.0.1'
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