mysql 更改数据目录

[root@dwh1 ~]# su - mysql
-bash-4.1$ ps -ef | grep mysql
root      6643  6620  0 00:25 pts/6    00:00:00 su - mysql
mysql     6644  6643  0 00:25 pts/6    00:00:00 -bash
mysql     6665  6644  4 00:25 pts/6    00:00:00 ps -ef
mysql     6666  6644  0 00:25 pts/6    00:00:00 grep mysql
mysql    44296     1  0 Apr15 ?        00:00:00 /bin/sh /usr/local/mysql5.6/bin/mysqld_safe --datadir=/usr/local/mysql5.6/data --pid-file=/usr/local/mysql5.6/data/dwh1.pid
mysql    44409 44296  0 Apr15 ?        00:00:11 /usr/local/mysql5.6/bin/mysqld --basedir=/usr/local/mysql5.6 --datadir=/usr/local/mysql5.6/data --plugin-dir=/usr/local/mysql5.6/lib/plugin --log-error=/usr/local/mysql5.6/data/dwh1.err --pid-file=/usr/local/mysql5.6/data/dwh1.pid
 
[root@dwh1 ~]# mkdir /mysql
[root@dwh1 ~]# chown -R mysql:mysql /mysql
[root@dwh1 ~]# su - mysql
-bash-4.1$ cd /usr/local/mysql5.6/
-bash-4.1$ ls
COPYING  INSTALL-BINARY  README  bin  data  docs  include  lib  man  my.cnf  mysql-test  scripts  share  sql-bench  support-files
-bash-4.1$ mv data /mysql/


/usr/local/mysql5.6/bin/mysqld_safe --datadir=/mysql/data 


修改/etc/my.cnf

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 
datadir=/mysql/data

[root@dwh1 data]# /etc/init.d/mysql start
Starting MySQL                                             [确定]

[root@dwh1 data]# ps -ef | grep mysqld
root      8237     1  1 00:35 pts/0    00:00:00 /bin/sh /usr/local/mysql5.6/bin/mysqld_safe --datadir=/mysql/data --pid-file=/mysql/data/dwh1.pid
mysql     8368  8237 61 00:35 pts/0    00:00:01 /usr/local/mysql5.6/bin/mysqld --basedir=/usr/local/mysql5.6 --datadir=/mysql/data --plugin-dir=/usr/local/mysql5.6/lib/plugin --user=mysql --log-error=/mysql/data/dwh1.err --pid-file=/mysql/data/dwh1.pid
root      8393  6415  0 00:35 pts/0    00:00:00 grep mysqld