The authenticity of host 'node3 (192.168.96.155)' can't be established.
RSA key fingerprint is 5e:0a:d5:26:d5:ac:71:b1:84:09:2b:1b:28:ea:10:b7.
Are you sure you want to continue connecting (yes/no)? no
Host key verification failed.
添加以下两行
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
centos6.5 vim /etc/sysconfig/network
centos 7