mysqlµÄmaster/slaveÊý¾Ýͬ²½ÅäÖÃ[ת]
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redhat 9.0
mysql3.23.57
mysqlÊý¾Ýͬ²½±¸·Ý
A·þÎñÆ÷£º 192.168.1.2 Ö÷·þÎñÆ÷master
B·þÎñÆ÷£º 192.168.1.3 ¸±·þÎñÆ÷slave
A·þÎñÆ÷ÉèÖÃ
#mysql –u root –p
mysql>GRANT FILE ON *.* TO backup@192.168.1.3 IDENTIFIED BY ‘1234’;
mysql>\exit
ÉÏÃæÊÇMaster¿ª·ÅÒ»¸öÕ˺ÅbackupÃÜÂë1234¸øIP:192.168.1.3Óеµ°¸´¦ÀíµÄȨÏÞ
mysqladmin –u root –p shutdown
±¸·ÝMasterËùÓÐÊý¾Ý¿â..ͨ³£¶¼ÓÃtarÖ¸Áî.
#tar –cvf /tmp/mysql.tar /var/lib/mysql
×¢Òâ:tarµÄʱºò,MySQLÊÇÒªÔÚstopÇé¿öÏÂ
ÔÚA»úÆ÷ÉÏÐÞ¸Ä/etc/my.cnf
ÔÚ[mysqld]Çø¶ÎÄÚ¼ÓÈë²ÎÊý
log-bin
server-id=1
sql-bin-update-same
binlog-do-db=vbb
ÖØÆôA·þÎñÆ÷mysql
´ËʱÒòΪÓмÓÈëlog-bin²ÎÊý,Òò´Ë¿ªÊ¼ÓÐindex²úÉúÁË,ÔÚ/var/lib/mysqlĿ¼ÏÂÓÐ.indexµµ°¸¼Í¼Êý¾Ý¿âµÄÒ춯log.
B·þÎñÆ÷ÉèÖÃ
É趨/etc/my.cnf
ÔÚ[mysqld]Çø¶Î¼ÓÈë
master-host=192.168.1.2
master-user=backup
master-password=1234
master-port=3306
server-id=2
master-connect-retry=60 Ô¤ÉèÖØÊÔ¼ä¸ô60Ãë
replicate-do-db=vbb ¸æËßslaveÖ»×övbbÊý¾Ý¿âµÄ¸üÐÂ
log-slave-updates
½«AÉϵÄmysql.tar copyµ½BÉÏ
ÓÃftp´«BµÄ/tmp
9.½âѹËõ
#cd /var/lib/
×´¿ö²âÊÔ
1.A¸úBÍøÂç¼°·þÎñ¶¼Õý³£Çé¿öÏÂ,ÓÉA¶Ë±ä»¯Êý¾Ýºó,µ½B¶Ëä¯ÀÀÊý¾Ý,¼ìÊÓÊÇ·ñÓнøÐÐreplication?!
2.Ä£ÄâBµ±»ú,»òÊÇB²»Ò»¶¨ÐèÒªÒ»Ö±¸úAÓÐÁ¬½Ó.
½«ÓÉA¶Ë±ä»¯Êý¾Ýºó,µ½B¶Ëä¯ÀÀÊý¾Ý£¬BµãÓ¦¸ÃÊÇûÓÐÊý¾Ý±ä»¯µÄ
#tar xvf /tmp/mysql-snapshot.tar
#chown –R mysql:mysql mysql
1ÖØÆôB·þÎñÆ÷µÄmysql
ÕâʱÔÚ/var/lib/mysqlĿ¼»á³öÏÖmaster.info,´Ëµµ°¸¼Í¼ÁËMaster MySQL serverµÄÐÅÏ¢.
×´¿ö²âÊÔ
1.A¸úBÍøÂç¼°·þÎñ¶¼Õý³£Çé¿öÏÂ,ÓÉA¶Ë±ä»¯Êý¾Ýºó,µ½B¶Ëä¯ÀÀÊý¾Ý,¼ìÊÓÊÇ·ñÓнøÐÐreplication?!
2.Ä£ÄâBµ±»ú,»òÊÇB²»Ò»¶¨ÐèÒªÒ»Ö±¸úAÓÐÁ¬½Ó.
½«ÓÉA¶Ë±ä»¯Êý¾Ýºó,µ½B¶Ëä¯ÀÀÊý¾Ý£¬BµãÓ¦¸ÃÊÇûÓÐÊý¾Ý±ä»¯µÄ
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