mysql 基于binlog进行恢复
Jun 07, 2016 pm 03:33 PM1.binlog 日志打开方法 在 my.cnf 这个文件中加一行( Windows 为 my.ini )。 #vi /etc/my.cnf [mysqld] log-bin=mysqlbin-log # 添加这一行就 ok 了 = 号后面的名字自己定义吧 然后我们可以对数据库做简单的操作后到 mysql 数据文件所在的目录来看 binlog
1.binlog日志打开方法
在my.cnf这个文件中加一行(Windows为my.ini)。
#vi /etc/my.cnf
[mysqld]
log-bin=mysqlbin-log #添加这一行就ok了=号后面的名字自己定义吧
然后我们可以对数据库做简单的操作后到mysql数据文件所在的目录来看binlog文件。
2. 查看自己的BINLOG的名字是什么
命令:show binary logs
3. 做了几次操作后,它就记录了下来。
命令:show binlog events
4. 用mysqlbinlog 工具来显示记录的二进制结果,然后导入到文本文件,为了以后的恢复。
详细过程如下:
C:\Program Files\MySQL\MySQL Server 5.0\bin>mysqlbinlog --start-position=4 --sto
p-position=106 mysqlbin-log.000001 > c:\\test1.txt
或者全部导出:
C:\Program Files\MySQL\MySQL Server 5.0\bin>mysqlbinlog mysqlbin-log.000001 > c:\\test1.txt
test1.txt的文件内容:
;
;
DELIMITER ;
# at 4
#110916
# Warning: this binlog was not closed properly. Most probably mysqld crashed writing it.
ROLLBACK;
# at 98
#110916 10:11:21 server id 1
SET INSERT_ID=2;
# at 126
#110916 10:11:21 server id 1
use test;
SET TIMESTAMP=1316139081;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
SET @@session.sql_mode=1344274432;
;
SET @@session.character_set_client=33,@@session.collation_connection=33,@@session.collation_server=8;
insert into User (name,password) values('ddd','222');
DELIMITER ;
# End of log file
ROLLBACK ;
;
5. 导入结果到MYSQL中进行数据恢复。
C:\Program Files\MySQL\MySQL Server 5.0\bin>mysqlbinlog --start-position=134 --stop-position=330 mysqlbin-log.000001 | mysql -uroot -p
或者
C:\Program Files\MySQL\MySQL Server 5.0\bin>mysqlbinlog --start-position=134 --stop-position=330 mysqlbin-log.000001 >test1.txt
进入MYSQL导入
mysql> source c:\\test1.txt
还有一种办法是根据日期来恢复
C:\Program Files\MySQL\MySQL Server 5.0\bin >mysqlbinlog --start-datetime="2009-09-14 0:20:00" --stop-datetim="2009-09-15 01:25:00" /diskb/bin-logs/xxx_db-bin.000001 | mysql -u root
6、查看数据
Select * from User

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