ansible 运行出错

Question

[root@linuxtest ~]#  ansible storm_cluster -m command -a 'uptime'

10.254.4.4 | UNREACHABLE! => {

    "changed": false, 

    "msg": "Failed to connect to the host via ssh.", 

    "unreachable": true

}

10.254.4.200 | UNREACHABLE! => {

    "changed": false, 

    "msg": "Failed to connect to the host via ssh.", 

    "unreachable": true

}

10.254.4.2 | UNREACHABLE! => {

    "changed": false, 

    "msg": "Failed to connect to the host via ssh.", 

    "unreachable": true

}

10.254.4.3 | UNREACHABLE! => {

    "changed": false, 

    "msg": "Failed to connect to the host via ssh.", 

    "unreachable": true

}