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Mysql修改datadir导致无法启动问题解决方法

  • 时间:2022-08-07 11:57 编辑: 来源: 阅读:
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摘要:Mysql修改datadir导致无法启动问题解决方法
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
[u]复制代码[/u] 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。
[u]复制代码[/u] 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
[u]复制代码[/u] 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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