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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