磁盘空间爆掉时nginx报错 An error occurred

nginx报错了,消息如下错误如下nginx_Error_disk_empty

An error occurred.

Sorry, the page you are looking for is currently unavailable.
Please try again later.

If you are the system administrator of this resource then you should check the error log for details.

Faithfully yours, nginx.

1分钟前还是好的,至少wordpress后台可以正常打开,突然就成这样子了。静态页面还正常,就ssh上,检查php-fpm进程是正常的,没有僵局。算了,杀死,连nginx一起杀死,虽然这是很不优雅的行为,所不齿的行为。然而结果是没用。随手查了下df -h ,分区满了,怪不得,查了下,删除几个备份文件,然后一切恢复正常了。空间不够,还是个问题,要进一步清理了。