Fatal error: Can't open and lock privilege tables: Can't find file: './mysql/host.frm' (errno: 13)
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Fatal error: Can't open and lock privilege tables: Can't find file: './mysql/host.frm' (errno: 13)

启动服务时错误:

错误日志: 

	080724 16:50:23 [ERROR] /usr/libexec/mysqld: Can't find file: './mysql/host.frm' (errno: 13)
	080724 16:50:23 [ERROR] /usr/libexec/mysqld: Can't find file: './mysql/host.frm' (errno: 13)
	080724 16:50:23 [ERROR] Fatal error: Can't open and lock privilege tables: Can't find file: './mysql/host.frm' (errno: 13)
	080724 16:50:23 mysqld ended

解决方法:

重新运行一次 mysql_install_db，重设一次权限，此问题是mysql的一些文件丢失或所属者不是mysql

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