[INS-41112]Specified network interface doesnt maintain connectivity across cluster nodes

尝试ping  所有的节点看看是否能通过

[root@rac1 media]# ssh rac1
The authenticity of host 'rac1 (192.168.4.20)' can't be established.
RSA key fingerprint is 59:45:33:75:ae:e3:ac:09:4a:ed:9c:86:bf:41:8c:47.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac1,192.168.4.20' (RSA) to the list of known hosts.

[root@rac1 ~]# ssh rac2
The authenticity of host 'rac2 (192.168.4.40)' can't be established.
RSA key fingerprint is f0:fb:b3:bb:17:5f:29:9d:ac:db:e2:af:60:25:75:d6.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac2,192.168.4.40' (RSA) to the list of known hosts.
root@rac2's password: 
Last login: Sun Jul 17 01:44:46 2016 from 192.168.4.100

root@rac2 ~]# ssh rac1-priv date
The authenticity of host 'rac1-priv (172.16.1.1)' can't be established.
RSA key fingerprint is 59:45:33:75:ae:e3:ac:09:4a:ed:9c:86:bf:41:8c:47.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac1-priv,172.16.1.1' (RSA) to the list of known hosts.
root@rac1-priv's password: 
Permission denied, please try again.
root@rac1-priv's password: 
Sun Jul 17 03:06:53 CST 2016

[root@rac2 ~]# ssh rac2-priv date
The authenticity of host 'rac2-priv (172.16.1.2)' can't be established.
RSA key fingerprint is f0:fb:b3:bb:17:5f:29:9d:ac:db:e2:af:60:25:75:d6.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac2-priv,172.16.1.2' (RSA) to the list of known hosts.
root@rac2-priv's password: 
Sun Jul 17 03:08:14 CST 2016

防火墙没有关闭

[root@rac2 ~]# service iptables stop
iptables: Setting chains to policy ACCEPT: filter [  OK  ]
iptables: Flushing firewall rules: [  OK  ]
iptables: Unloading modules: [  OK  ]
[root@rac2 ~]# chkconfig iptables off