| 标题 | Mysql修改datadir导致无法启动问题解决方法 |
| 内容 | centos6.2，停止mysqld然后修改/etc/my.cnf datadir的位置，启动mysqld提示FAILED，查看日志 代码如下: 120609 11:31:31 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 120609 11:35:12 mysqld_safe Starting mysqld daemon with databases from /mnt/hgfs/mysql_data 120609 11:35:13 [Warning] Can't create test file /mnt/hgfs/mysql_data/data.lower-test 120609 11:35:13 [Warning] Can't create test file /mnt/hgfs/mysql_data/data.lower-test /usr/libexec/mysqld: Can't change dir to '/mnt/hgfs/mysql_data/' (Errcode: 13) 120609 11:35:13 [ERROR] Aborting 120609 11:35:13 [Note] /usr/libexec/mysqld: Shutdown complete 120609 11:35:13 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 新的datadir路径确实没问题，而且目录和目录下所有文件都是777权限，上层目录也有rx权限，只不过datadir和下属文件owner都是root（因为我用虚拟机挂载的windows的文件系统）。后来想到应该是selinux搞的鬼，设置为permissive模式之后正常启动mysqld。 代码如下: [root@data selinux]# getenforce Enforcing [root@data selinux]# setenforce 0 [root@data selinux]# getenforce Permissive setenforce 1 设置SELinux 成为enforcing模式 setenforce 0 设置SELinux 成为permissive模式 彻底关闭，vi /etc/selinux/config 修改 SELINUX=disabled 代码如下: # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced. # permissive - SELinux prints warnings instead of enforcing. # disabled - No SELinux policy is loaded. SELINUX=disabled # SELINUXTYPE= can take one of these two values: # targeted - Targeted processes are protected, # mls - Multi Level Security protection. SELINUXTYPE=targeted |
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