1、按照常規安裝。
[root@ff_girl MySQL5122]# chown -R root .
[root@ff_girl mysql5122]# chown -R MySQL data
[root@ff_girl mysql5122]# chgrp -R MySQL .
[root@ff_girl MySQL5122]# cp support-files/my-small.cnf /etc/my5122.cnf
[root@ff_girl mysql5122]# scripts/mysql_install_db --basedir=/usr/local/mysql5122/ --datadir=/usr/local/mysql5122/data/ --user=MySQL
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
。。。
首次啟動MySQL
[root@ff_girl mysql5122]# bin/MySQLd_safe --defaults-file=/etc/my5122.cnf &
[1] 13700
[root@ff_girl mysql5122]# 080124 15:01:46 mysqld_safe Logging to '/usr/local/MySQL5122/data/localhost.localdomain.err'.
080124 15:01:46 mysqld_safe Starting mysqld daemon with databases from /usr/local/MySQL5122/data
[root@ff_girl mysql5122]# bin/mysql -uroot -p -S/tmp/MySQL5122.sock
Enter passWord:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.1.22-rc MySQL Community Server (GPL)
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.
MySQL> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| MySQL |
| test |
+--------------------+
3 rows in set (0.00 sec)
給MySQLD_MULTI賦SHUTDOWN權限。
MySQL> grant shutdown on *.* to multi_admin@'localhost' identifIEd by '123456';
Query OK, 0 rows affected (0.00 sec)
MySQL> flush privileges;
Query OK, 0 rows affected (0.00 sec)
MySQL> exit
Bye
停掉MySQL服務。
[root@ff_girl ~]# /usr/local/mysql5122/bin/mysqladmin -uroot -p -S/tmp/MySQL5122.sock shutdown
Enter passWord:
[root@ff_girl ~]#
拷貝元數據。
[root@ff_girl MySQL5122]# cp data data2
[root@ff_girl MySQL5122]# mv data data1
[root@ff_girl mysql5122]# chown -R MySQL data2
[root@ff_girl mysql5122]# chgrp -R MySQL .
示例配置文件
[
root@ff_girl MySQL5122]# cat /etc/my5122.cnf
[MySQLd_multi]
mysqld = /usr/local/mysql5122/bin/MySQLd_safe
mysqladmin = /usr/local/mysql5122/bin/MySQLadmin
user = multi_admin
passWord = 123456
# The MySQL Server
[MySQLd1]
socket = /tmp/MySQL1.sock
port = 3307
pid-file = /usr/local/MySQL5122/data1/david_yeung.pid1
datadir = /usr/local/MySQL5122/data1
language = /usr/local/mysql5122/share/MySQL/english
user = MySQL
# The MySQL Server
[MySQLd2]
port = 3308
socket = /tmp/MySQL2.sock
pid-file = /usr/local/MySQL5122/data2/david_yeung.pid2
datadir = /usr/local/MySQL5122/data2
language = /usr/local/mysql5122/share/MySQL/english
user = MySQL
。。。
[isamchk]
key_buffer = 8M
sort_buffer_size = 8M
[myisamchk]
key_buffer = 8M
sort_buffer_size = 8M
[MySQLhotcopy]
interactive-timeout
[root@ff_girl MySQL5122]#
啟動兩個MySQL服務
[root@ff_girl mysql5122]# /usr/local/mysql5122/bin/MySQLd_multi --config-file=/etc/my5122.cnf start 1-2
[root@ff_girl MySQL5122]# netstat -an | grep 3307
tcp 0 0 0.0.0.0:3307 0.0.0.0:* LISTEN
[root@ff_girl MySQL5122]# netstat -an | grep 3308
tcp 0 0 0.0.0.0:3308 0.0.0.0:* LISTEN
[root@ff_girl mysql5122]# /usr/local/mysql/bin/mysql -uroot -p -S/tmp/MySQL1.sock
Enter passWord:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.1.22-rc-log MySQL Community Server (GPL)
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.
MySQL> q
Bye
[root@ff_girl mysql5122]# /usr/local/mysql/bin/mysql -uroot -p -S/tmp/MySQL2.sock
Enter passWord:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.1.22-rc-log MySQL Community Server (GPL)
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.
MySQL> q
Bye
[root@ff_girl MySQL5122]#
2、另外一種。
[root@ff_girl MySQL512]# chown -R root .
[root@ff_girl mysql512]# chown -R MySQL data
[root@ff_girl mysql512]# chgrp -R MySQL .
[root@ff_girl mysql512]# scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql512/ --datadir=/usr/local/MySQL512/data/
[root@ff_girl MySQL512]# cp support-files/my-huge.cnf /etc/my512.cnf
並且修改如下部分。
[clIEnt]
port = 3308
socket = /tmp/MySQL512.sock
# The MySQL Server
[MySQLd]
user=MySQL
basedir=/usr/local/MySQL512
datadir=/usr/local/MySQL512/data
port = 3308
socket = /tmp/MySQL512.sock
[root@ff_girl mysql512]# /usr/local/mysql512/bin/MySQLd_safe --defaults-file=/etc/my512.cnf &
[root@ff_girl mysql512]# /usr/local/mysql/bin/mysql -uroot -p -S/tmp/MySQL512.sock
Enter passWord:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.1.22-rc-log MySQL Community Server (GPL)
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.
MySQL> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| MySQL |
| test |
+--------------------+
3 rows in set (0.00 sec)
MySQL> q
Bye
確定3308端口是否在運行。
[root@ff_girl MySQL512]# netstat -an |grep 3308
tcp 0 0 0.0.0.0:3308 0.0.0.0:* LISTEN
把腳本寫到啟動文件裡：
/usr/local/mysql512/bin/MySQLd_safe --defaults-file=/etc/my512.cnf
