关于rhcs报错：
数据库A：主机名：ehrdb1
BMC:192.168.133.70
eth0:192.168.133.60
eth1:10.0.133.60
数据库B：主机名：ehrdb2
BMC:192.168.133.71
eth0:192.168.133.61
eth1:10.0.133.61
虚拟IP： 10.0.133.69
版本是redhat 5.0 updata 2 ,安装的rhcs包有：cman, rgmanager
现在的状况是：
停掉cman,rgmanager服务或者重启当前服务的主机，能自动切换到另一台机器
但拔掉网线，服务就down在那，不能切换
tail -f /var/log/messages 内容：
Aug 11 11:01:45 ehrdb2 fenced[5028]: fencing node "ehrdb1"
Aug 11 11:01:45 ehrdb2 fenced[5028]: agent "fence_ipmilan" reports: ipmilan: ipmitool not found! failed: Failed to initialize
Aug 11 11:01:45 ehrdb2 fenced[5028]: fence "ehrdb1" failed
Aug 11 11:01:50 ehrdb2 fenced[5028]: fencing node "ehrdb1"
Aug 11 11:01:50 ehrdb2 fenced[5028]: agent "fence_ipmilan" reports: ipmilan: ipmitool not found! failed: Failed to initialize
Aug 11 11:01:50 ehrdb2 fenced[5028]: fence "ehrdb1" failed
Aug 11 11:01:55 ehrdb2 fenced[5028]: fencing node "ehrdb1"
Aug 11 11:01:55 ehrdb2 fenced[5028]: agent "fence_ipmilan" reports: ipmilan: ipmitool not found! failed: Failed to initialize
Aug 11 11:01:55 ehrdb2 fenced[5028]: fence "ehrdb1" failed
