mysql常见报错

1.　　Starting MySQL...... ERROR! The server quit without updating PID file (/server/mysql/var/db.pid).

2.　　Page [page id: space=0, page number=3] log sequence number 672776061621 is in the future! Current sys

tem log sequence number 3290141.

3.　　Your database may be corrupt or you may have copied the InnoDB tablespace but not the InnoDB log file

s. Please refer to http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html for information about forcing recovery.