Step 1: Create new data folder for mysql (For example: /u01/mysql/data)
[root@ptudvtg149 ~]# mkdir -p /u01/mysql/data |
Step 2: Copy all old data of mysql to new folder ( old folder: /var/lib/mysql)
[root@ptudvtg149 mysql]# cp -r /var/lib/mysql /u01/mysql/data/
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Step 3: Edit /etc/my.cnf
[root@ptudvtg149 data]# vi /etc/my.cnf [mysqld] datadir=/u01/mysql/data socket=/u01/mysql/data/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid [mysqld] default-time-zone='+00:00' [client] socket=/u01/mysql/data/mysql.sock port=3306 |
Step 4: Init new data_dir
[root@ptudvtg149 mysql]# mysql_install_db --user=mysql --datadir=/u01/mysql/data Installing MySQL system tables... OK Filling help tables... OK To start mysqld at boot time you have to copy support-files/mysql.server to the right place for your system PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER ! To do so, start the server, then issue the following commands: /usr/bin/mysqladmin -u root password 'new-password' /usr/bin/mysqladmin -u root -h ptudvtg149 password 'new-password' Alternatively you can run: /usr/bin/mysql_secure_installation which will also give you the option of removing the test databases and anonymous user created by default. This is strongly recommended for production servers. See the manual for more instructions. You can start the MySQL daemon with: cd /usr ; /usr/bin/mysqld_safe & You can test the MySQL daemon with mysql-test-run.pl cd /usr/mysql-test ; perl mysql-test-run.pl Please report any problems with the /usr/bin/mysqlbug script! |
Step 5: Restart and check again mysql
[root@ptudvtg149 mysql]# service mysqld restart Stopping mysqld: [ OK ] Starting mysqld: [ OK ] [root@ptudvtg149 mysql]# ps -ef | grep mysql root 8365 1 0 14:42 pts/1 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/u01/mysql/data --socket=/u01/mysql/data/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql mysql 8470 8365 0 14:42 pts/1 00:00:00 /usr/libexec/mysqld --basedir=/usr --datadir=/u01/mysql/data --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/u01/mysql/data/mysql.sock root 8593 6957 0 14:43 pts/1 00:00:00 grep mysql |
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