在今天下午两点左右的时候，网站突然访问不了，通过ssh连接服务器也显示连接超时，然后登录亚马逊，发现当时正显示数据不足，并且状态检查也显示有告警，然后在通知里面看到了一个Health Event： 
One of your Amazon EC2 instances associated with your AWS account in the eu-west-1 Region was successfully recovered after a failed System status check.

The Instance ID is listed in the 'Affected resources' tab.

* What do I need to do?
Your instance is running and reporting healthy. If you have st...