mysqld_multi启动报错

命令如下：

sudo mysqld_multi --defaults-extra-file=/etc/mysql/mysqld_multi.cnf start 1-3

错误信息如下：

120801 11:53:06 mysqld_safe mysqld from pid file /var/run/mysqld/mysql1.pid ended
120801 11:53:06 mysqld_safe mysqld from pid file /var/run/mysqld/mysql3.pid ended
120801 11:53:07 mysqld_safe mysqld from pid file /var/run/mysqld/mysql2.pid ended

解决方法：

删除数据存放目录下的ib_logfile0和ib_logfile1两个文件

rm ib_logfile*