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Õ¾³¤£º Glen
ÐÅÏ䣺 root@domsn.net
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One Step Ahead
Mysql Replication    2006-10-05 22:35:26

Mysql Replication




ÀàËÆÓÚ´Óһ̨·þÎñÆ÷¿½±´Êý¾Ý¿âµ½Áíһ̨·þÎñÆ÷ÉÏ£¬µ«ËüÊÇͨ¹ý¶¨ÒåMaster ºÍSlaveµÄ¹ØÏµÈ¥ÊµÊ±µØ±£Ö¤Á½¸öÊý¾Ý¿âµÄÍêȫͬ²½£¬Õâ¸ö¹¦ÄÜÔÚMysqlµÄ3.23°æÖпªÊ¼³öÏÖ¡£





Master/Slaveģʽ±¸·Ý





TestEnv:





Master£ºMysql-4.1.12 on Redhat9.0   IP:192.168. 0.217
Slave£º Mysql-4.1.12 on Redhat9.0     IP:192.168.10.244





1¡¢±àÒ룬°²×°





1.  #tar ¨Czxvf Mysql-4.1.12.tar.gz





2.  #cd Mysql-4.1.12





3.  .#/configure ¨Cprefix=/var/eyou/mysql





4.  #make





5.  #make install





6.  #chown ¨CR root /var/eyou/mysql





7.  # chown ¨CR mysql /var/eyou/mysql/var





8.  #chgrp ¨CR mysql /var/eyou/mysql





9.  #scripts/mysql_install_db





10.  #cp support-files/my-medium.cnf /etc/my.cnf








Mysql Replication




ÀàËÆÓÚ´Óһ̨·þÎñÆ÷¿½±´Êý¾Ý¿âµ½Áíһ̨·þÎñÆ÷ÉÏ£¬µ«ËüÊÇͨ¹ý¶¨ÒåMaster ºÍSlaveµÄ¹ØÏµÈ¥ÊµÊ±µØ±£Ö¤Á½¸öÊý¾Ý¿âµÄÍêȫͬ²½£¬Õâ¸ö¹¦ÄÜÔÚMysqlµÄ3.23°æÖпªÊ¼³öÏÖ¡£





Master/Slaveģʽ±¸·Ý





TestEnv:





Master£ºMysql-4.1.12 on Redhat9.0   IP:192.168. 0.217
Slave£º Mysql-4.1.12 on Redhat9.0     IP:192.168.10.244





1¡¢±àÒ룬°²×°





1.  #tar ¨Czxvf Mysql-4.1.12.tar.gz





2.  #cd Mysql-4.1.12





3.  .#/configure ¨Cprefix=/var/eyou/mysql





4.  #make





5.  #make install





6.  #chown ¨CR root /var/eyou/mysql





7.  # chown ¨CR mysql /var/eyou/mysql/var





8.  #chgrp ¨CR mysql /var/eyou/mysql





9.  #scripts/mysql_install_db





10.  #cp support-files/my-medium.cnf /etc/my.cnf





2¡¢Master »úÆ÷ÉèÖÃȨÏÞ£¬¸³ÓèSlave»úÆ÷FILE¼°Replication SlaveȨÀû£¬²¢´ò°üҪͬ²½µÄÊý¾Ý¿â½á¹¹¡£





Master# pwd
/var/eyou/mysql/bin
Master#./mysql ¨Cu root ¨Cp
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2 to server version: 4.1.12





Type 'help;' or '\h' for help. Type '\c' to clear the buffer.





mysql> GRANT FILE ON *.* TO rep@192.168.0.244 IDENTIFIED BY ¡®eyou¡¯;





mysql> GRANT REPLICATION SLAVE ON *.* TO rep@192.168.0.244 IDENTIFIED BY ¡®eyou¡¯;





¸³Óè192.168.10.244Ò²¾ÍÊÇSlave »úÆ÷ÓÐFileȨÏÞ, Õâ¸ö4.1.12°æ¶ÔreplicationµÄȨÏÞºÃÏñ×öÁ˵÷Õû£¬Ö»¸³ÓèSlave»úÆ÷ÓÐFileȨÏÞ»¹²»ÐУ¬»¹Òª¸øËüREPLICATION SLAVEµÄȨÏ޲ſÉÒÔ¡£





È»ºó´ò°üÒª¸´ÖƵÄÊý¾Ý¿â





Master# cd var
Master# tar czvf reptest.tar.gz reptest





ÕâÑù£¬ÎÒÃǵõ½Ò»¸öreptestÊý¾Ý¿âµÄ´ò°üÎļþreptest.tar.gz





2ÉèÖÃÖ÷·þÎñÆ÷MasterµÄmy.cnf£¬Æô¶¯Mysql·þÎñ





Master# vi /etc/my.cnf





ÔÚ[mysqld]Ìí¼Ó»òÐÞ¸ÄÒÔϵÄ





[mysqld]
log-bin          #´ò¿ªlogbinÑ¡ÏîÒÔÄÜдµ½slaveµÄ I/OÏß³Ì;
server-id=1        #±íʾÊDZ¾»úµÄÐòºÅΪ1,Ò»°ãÀ´½²¾ÍÊÇmasterµÄÒâ˼.
sql-bin-update-same
binlog-do-db= reptest   #±íʾͬ²½reptestÊý¾Ý¿â;





È»ºó°ÑMasterÖ÷·þÎñÆ÷µÄMysqlÖØÆô¡£





Master# /var/eyou/mysql/bin/mysqladmin ¨Cu root ¨Cp shutdown
Master# /var/eyou/mysql/bin/safe_mysqld --user=mysql &





3¡¢½¨Á¢SlaveÊý¾Ý¿â
¸Õ²ÅÔÚMasterÖдò°üÁËreptest.tar.gz£¬ËüµÄ×÷ÓþÍÊÇÒªÔÚSlave»Ö¸´³ÉÒ»ÑùµÄÊý¾Ý¿â¡£ÏȰÑMaster µÄreptest.tar.gzÎļþ´«µ½Slave»úÆ÷ÖÐÈ¥¡£È»ºó


Slave# tar zxvf reptest.tar.gz -C /var/eyou/mysql/var/

4¡¢ÐÞ¸ÄSlave·þÎñÆ÷µÄmy.cnf


Slave# vi /etc/my.cnf


ÔÚ[mysqld]Ìí¼Ó»òÐÞ¸ÄÒÔϵÄ

master-host=192.168.10.217
master-user=rep
master-password=eyou
master-port=3306
server-id=2
master-connect-retry=60
replicate-do-db=reptest ¡¡¡¡¡¡[Òª¸üеÄÊý¾Ý¿â]
log-slave-updates


5¡¢É¾³ýSlave¶ËÊý¾Ý¿âĿ¼ÖеÄmaster.info


Slave# rm /var/eyou/mysql/var/master.info

6¡¢ÖØÆô¶¯SlaveµÄslave start¡£

Slave# /var/eyou/mysql/bin/mysqladmin ¨Cu root ¨Cp shutdown
Slave# /var/eyou/mysql/bin/safe_mysqld --user=mysql &

7¡¢²âÊÔ
Ïȼì²âÁ½¸öMysqlÊý¾Ý¿âÖеÄreptestÊÇ·ñÕý³£¡£
Õý³£Çé¿öÓ¦¸ÃÊÇMasterºÍSlave ÖеÄMysql ¶¼ÓÐÏàͬµÄreptest Êý¾Ý¿â£¬²¢ÇÒÀïÃæµÄÊý¾Ý¶¼Ò»Ñù¡£
È»ºó²âÊÔreplication ¹¦ÄÜÊÇ·ñÆðÓá£
ÔÚMasterÖеÄreptestÊý¾Ý¿âÌí¼ÓÒ»±ÊÊý¾Ý£º
Master# /var/eyou/mysql/bin/mysql ¨Cu root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12 to server version: 4.1.12

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> use reptest;
Database changed
mysql> INSERT INTO rep_table VALUES ('test1', '4321', 'T',24);
Query OK, 1 row affected (0.00 sec)
mysql>


È»ºó²é¿´Slave»úÆ÷µÄreptestÊý¾Ý¿â£º

Slave#/var/eyou/mysql/bin/mysql ¨Cu root ¨Cp


Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12 to server version: 4.1.12

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> use reptest;
Database changed
mysql>select * from reptable;;

+------+------+------+------+


| id | name | sex | age |


+------+------+------+------+



| test1| 4321 | T | 24 |



+------+------+------+------+

1 row in set (0.00 sec)
PS :

1£¬Slave»úÆ÷µÄȨÏÞÎÊÌ⣬²»µ«Òª¸øslave»úÆ÷FileȨÏÞ£¬»¹Òª¸øËüREPLICATION SLAVEµÄȨÏÞ¡£

2£®ÔÚÐÞ¸ÄÍêSlave»úÆ÷/etc/my.cnfÖ®ºó£¬slave»úÆ÷µÄmysql·þÎñÆô¶¯Ö®Ç°£¬¼ÇµÃҪɾ³ýµômaster.info

3£¬ÔÚshow master status »ò×Åshow slave status ²»Õý³£Ê±£¬¿´¿´.errÊÇÔõÑù˵µÄ¡£
4£¬SlaveÉÏMysqlµÄReplication¹¤×÷ÓÐÁ½¸öÏß³Ì, I/O threadºÍSQL thread ¡£I/O µÄ×÷ÓÃÊÇ´Ómaster 3306¶Ë¿ÚÉϰÑËüµÄbinlogÈ¡¹ýÀ´(masterÔÚ±»ÐÞ¸ÄÁËÈκÎÄÚÈÝÖ®ºó,¾Í»á°ÑÐÞ¸ÄÁËʲôдµ½×Ô¼ºµÄbinlogµÈ´ýslave¸üÐÂ),È»ºóдµ½±¾µØµÄrelay-log,¶øSQL threadÔòÊÇÈ¥¶Á±¾µØµÄrelay-log,ÔÙ°ÑËüת»»³É±¾MysqlËùÄÜÀí½âµÄÓï¾ä£¬ÓÚÊÇͬ²½¾ÍÕâÑùÒ»²½Ò»²½µÄÍê³É.¾ö¶¨I/O threadµÄÊÇ/var/lib/mysql/master.info,¶ø¾ö¶¨SQL threadµÄÊÇ/var/lib/mysql/relay-log.info.

Ë«Ïò¸´ÖÆÄ£Ê½

1£º


Slave »úÆ÷ÉèÖÃȨÏÞ£¬¸³ÓèMaster»úÆ÷FILE¼°Replication SlaveȨÀû.


Master#./var/eyou/mysql ¨Cu root ¨Cp
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2 to server version: 4.1.12


Type 'help;' or '\h' for help. Type '\c' to clear the buffer.


mysql> GRANT FILE ON *.* TO rep@192.168.0.217 IDENTIFIED BY ¡®eyou¡¯;

mysql> GRANT REPLICATION SLAVE ON *.* TO rep@192.168.0.217 IDENTIFIED BY ¡®eyou¡¯;

Posted by glen in [ÍøÂç¼¼Êõ] | ÆÀÂÛ:1 | ×Üä¯ÀÀ:401 | [´òÓ¡È«ÎÄ]

¹Ø¼ü×Ö:
¹Ø¼ü×Ö: Mysql Replication,²©Ö¾,soft,glen'blog,blog,weblog,blog,qzhiwu@msn.com
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