ip resource "Failed to ping <address>" as soon as it starts in a RHEL 5 or 6 High Availability cluster
Issue
- "rgmanager" fails to check the status on 'Virtual IP' in my cluster as soon as the service starts
May 24 22:58:17 node01 rgmanager[8019]: [ip] Adding IPv4 address 10.10.82.55/28 to eth0
[...]
May 24 22:59:28 node01 rgmanager[10453]: [ip] Failed to ping 10.10.82.55 <----------------------
May 24 22:59:28 node01 rgmanager[3818]: status on ip "10.10.82.55" returned 7 (unspecified)
May 24 22:59:28 node01 rgmanager[3818]: Stopping service service:myService
ip
resource always fails a ping right afterrgmanager
starts it.
Environment
- Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On
rgmanager
- One or more
<ip/>
resources in a service in/etc/cluster/cluster.conf
net.ipv4.icmp_echo_ignore_all = 1
in/etc/sysctl.conf
or/proc/net/ipv4/icmp_echo_ignore_all
has a value of 1
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