连接数据库，出现下面这种错误： 我的服务器环境：oneinstack Starting MySQL.The server quit without updating PID file (/[FAILED]ql/mysql.pid) ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/r
连接数据库，出现下面这种错误：
我的服务器环境：oneinstack
Starting MySQL.The server quit without updating PID file (/[FAILED]ql/mysql.pid)
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
错误情况：
就是硬盘爆满了，没有空间了，请删除备份文件（备份文件太多）