mysql5.5启动报错：The server quit without updating PID file ([FAILED]localhost.localdomain.pid).

刚安装完了mysql 5.5.23，启动时报错：

[root@localhost /]# service mysqld restart
MySQL server PID file could not be found!                  [FAILED]
Starting MySQL..The server quit without updating PID file ([FAILED]localhost.localdomain.pid).
 

查看错误日志发现：

[root@localhost /]# cat /mydata/localhost.localdomain.err
 

120723 11:41:20 [Note] Event Scheduler: Purging the queue. 0 events
120723 11:41:20  InnoDB: Starting shutdown...
120723 11:41:21  InnoDB: Shutdown completed; log sequence number 1595675
120723 11:41:21 [Note] /usr/local/mysql5.5.25/bin/mysqld: Shutdown complete

120723 11:41:21 mysqld_safe Number of processes running now: 0
120723 11:41:21 mysqld_safe mysqld restarted
/usr/local/mysql5.5.25/bin/mysqld: File './mysql-bin.index' not found (Errcode: 13)
120723 11:41:21 [ERROR] Aborting
 

网上说法也不一，但是我这里是权限问题，把mydata目录权限授予mysql即可，

[root@localhost /]# chown mysql.mysql -R mydata

[root@localhost /]# service mysqld start
Starting MySQL                                             [  OK  ]
[root@localhost /]#
 

 

 

 

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