[ClusterLabs] Phantom Node
Allan Brand
allan.brand at gmail.com
Thu Aug 13 21:53:39 UTC 2015
I can't seem to track this down and am hoping someone has seen this or can
tell me what's happening.
I have a 2 node test cluster, node01.private and node02.private.
[root at node01 ~]# cat /etc/hosts
127.0.0.1 localhost
::1 localhost
192.168.168.9 node01.private
192.168.168.10 node02.private
192.168.168.14 cluster.private
The issue is when I run 'pcs status' it shows both nodes online but a 3rd
node, node01, to be offline:
[root at node01 ~]# pcs status
Cluster name: cluster.private
Last updated: Thu Aug 13 16:41:54 2015
Last change: Wed Aug 12 18:23:22 2015
Stack: cman
Current DC: node01.private - partition with quorum
Version: 1.1.11-97629de
3 Nodes configured
1 Resources configured
Online: [ node01.private node02.private ]
OFFLINE: [ node01 ]
Full list of resources:
privateIP (ocf::heartbeat:IPaddr2): Started node01.private
[root at node01 ~]#
[root at node01 ~]# pcs config
Cluster Name: cluster.private
Corosync Nodes:
node01.private node02.private
Pacemaker Nodes:
node01 node01.private node02.private
Resources:
Resource: privateIP (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=192.168.168.14 cidr_netmask=32
Operations: start interval=0s timeout=20s (privateIP-start-interval-0s)
stop interval=0s timeout=20s (privateIP-stop-interval-0s)
monitor interval=30s (privateIP-monitor-interval-30s)
Stonith Devices:
Fencing Levels:
Location Constraints:
Resource: privateIP
Enabled on: node01.private (score:INFINITY)
(id:location-privateIP-node01.private-INFINITY)
Ordering Constraints:
Colocation Constraints:
Resources Defaults:
No defaults set
Operations Defaults:
No defaults set
Cluster Properties:
cluster-infrastructure: cman
dc-version: 1.1.11-97629de
expected-quorum-votes: 2
no-quorum-policy: ignore
stonith-enabled: false
[root at node01 ~]#
[root at node01 ~]# cat /etc/cluster/cluster.conf
<cluster config_version="8" name="cluster.private">
<fence_daemon/>
<clusternodes>
<clusternode name="node01.private" nodeid="1">
<fence>
<method name="pcmk-redirect">
<device name="pcmk" port="node01.private"/>
</method>
</fence>
</clusternode>
<clusternode name="node02.private" nodeid="2">
<fence>
<method name="pcmk-redirect">
<device name="pcmk" port="node02.private"/>
</method>
</fence>
</clusternode>
</clusternodes>
<cman/>
<fencedevices>
<fencedevice agent="fence_pcmk" name="pcmk"/>
</fencedevices>
<rm>
<failoverdomains/>
<resources/>
</rm>
</cluster>
[root at node01 ~]#
Everything appears to be working correctly, just that phantom offline node
shows up.
Thanks,
Allan
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