Home Database Mysql Tutorial 用meb搭建MySQL Master/Slave

用meb搭建MySQL Master/Slave

Jun 07, 2016 pm 05:28 PM

使用meb企业备份工具,自动实现记录二进制相关信息 此种备份方法需要安装一个软件 meb ,软件默认安装在 /opt 目录下,安装

使用meb企业备份工具,自动实现记录二进制相关信息
      此种备份方法需要安装一个软件 meb ,,软件默认安装在 /opt 目录下,安装过程略
 
          备份前在 my.cnf 中增加如下参数 (show variables like 'innodb%' )
              innodb_data_home_dir = /data/mysql                        #指定 datadir路径
              innodb_data_file_path = ibdata1:10M:autoextend
              innodb_log_group_home_dir = /data/mysql              #指定日志路径,一般同datadir路径相同
              innodb_log_files_in_group = 2
              innodb_log_file_size = 5242880
              log-bin = mysql 

 步骤:
 
一、建立帐号
 
mysql> grant replication slave on *.* to slave@'%' identified by '123';
 mysql> flush privileges;
 

二、使用meb去备份Master的数据
 
# mkdir /backup
 # cd /opt/mysql/meb-3.5/
 # ./bin/innobackup --user=root --password=123 --ibbackup=/opt/mysql/meb-3.5/bin/ibbackup --socket=/data/mysqld.sock /etc/my.cnf /backup  --slave-info
 
.....
 ibbackup: A copied database page was modified at 44233.
 ibbackup: Scanned log up to lsn 46136.    #####记录这里的lsn
 ibbackup: Was able to parse the log up to lsn 46136.
 

innobackup: Backup created in directory '/backup/2011-05-19_15-21-21'
 innobackup: MySQL binlog position: filename 'mysqld-binlog.000003', position 1662  #####记录这里的position
 
110519 15:21:55  innobackup: innobackup completed OK!

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