Have successfully setup centos 5.5 -
# crm status
============
Last updated: Wed Mar 23 22:32:40 2011
Stack: openais
Current DC: cluster1 - partition with quorum
Version: 1.0.10-da7075976b5ff0bee71074385f8fd02f296ec8a3
2 Nodes configured, 2 expected votes
2 Resources configured.
============
Online: [ cluster1 cluster2 ]
ClusterIP (ocf::heartbeat:IPaddr2): Started cluster1
WebSite (ocf::heartbeat:apache): Started cluster1
Everything appears to work fine when failing over. However I don't
understand why
crm configure show
node cluster1 \
attributes standby="off"
node cluster2 \
attributes standby="off"
primitive ClusterIP ocf:heartbeat:IPaddr2 \
params ip="192.168.0.155" cidr_netmask="32" \
op monitor interval="30s"
primitive WebSite ocf:heartbeat:apache \
params configfile="/etc/httpd/conf/httpd.conf" \
op monitor interval="1min"
colocation website-with-ip inf: WebSite ClusterIP
property $id="cib-bootstrap-options" \
dc-version="1.0.10-da7075976b5ff0bee71074385f8fd02f296ec8a3" \
cluster-infrastructure="openais" \
expected-quorum-votes="2" \
stonith-enabled="false" \
no-quorum-policy="ignore"
rsc_defaults $id="rsc-options" \
resource-stickiness="100"
cluster1 IP is 192.168.0.150
cluster2 IP is 192.168.0.151
The cluster fail over IP is 192.168.0.155
I don't see any IP alias -
[root@cluster1 ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:8B:71:2C
inet addr:192.168.0.150 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe8b:712c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:20758 errors:0 dropped:0 overruns:0 frame:0
TX packets:28449 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2319277 (2.2 MiB) TX bytes:3419927 (3.2 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:584 errors:0 dropped:0 overruns:0 frame:0
TX packets:584 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:307860 (300.6 KiB) TX bytes:307860 (300.6 KiB)
[root@cluster1 ~]# ping 192.168.0.155
PING 192.168.0.155 (192.168.0.155) 56(84) bytes of data.
64 bytes from 192.168.0.155: icmp_seq=1 ttl=64 time=0.021 ms
64 bytes from 192.168.0.155: icmp_seq=2 ttl=64 time=0.025 ms
[root@cluster1 ~]# ssh 192.168.0.155
root@192.168.0.155's password:
Last login: Wed Mar 23 22:15:11 2011 from cluster2
[root@cluster1 ~]#
How does this work?
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Project Home: http://www.clusterlabs.org
Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
