On 23/06/17 08:48 -0500, Ken Gaillot wrote: > On 06/22/2017 09:44 PM, Hui Xiang wrote: >> I have setup 3 nodes(node-1, node-2, node-3) as controller nodes, an >> vip is selected by pacemaker between them, after manually make the >> management interface down in node-1 (used by corosync) but still have >> connectivity to public or non-management network > > How did you make the cluster interface down? If you're blocking it via > firewall, be aware that you have to block *outbound* traffic on the > corosync port.
People using ifdown or the iproute-based equivalent seem far too prevalent, even if for long time bystanders the idea looks continually disproved ad nauseam. Added some previous posts on that topic to lists-dedicated scratchpad at ClusterLabs wiki: http://wiki.clusterlabs.org/w/index.php?title=Lists%27_Digest&diff=1601&oldid=1587#To_Avoid -- Jan (Poki)
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