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  • mysql enterprise backup入门使用

    **************************************************************
    --1.全备
    **************************************************************

    #mysqlbackup --defaults-file=/usr/local/mysql/my.cnf
    --host=127.0.0.1 --port=3306 --protocol=tcp
    --user=root --password=passwd123! --databases="wind"
    --with-timestamp --backup-dir=/backup
    --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysqldb01-bin.index
    backup-and-apply-log


    ----NOTE:
    mysqlbackup: INFO: Could not find binlog index file. binlogs will not be copied for this backup.
    Point-In-Time-Recovery will not be possible.
    If this is online backup then server may not have started with --log-bin.
    You may specify its location with --log-bin-index option.


    #cat /backup/2015-04-01_09-39-09/meta/backup_variables.txt |grep 'lsn'

    end_lsn=70249846
    start_lsn=70249472


    /***************************参数


    [backup_variables]
    apply_log_done=1 # 是否释放检测ibbackup_logfile文件(0表示没有,1表示已经释放)
    binlog_index=mysqldb01-bin.index #二进制日志索引文件
    binlog_position=mysqldb01-bin.000011:338 #二进制日志文件大小
    end_lsn=70249846 # 结束LSN点
    has_external_plugins=0 #外部插件
    is_compressed=0 #是否压缩(0:否,1:是)
    is_incremental=0 #是否是增量为增量备份文件(0:否,1:是)
    is_incremental_with_redo_log_only=0 只配置重做日志,当输入数据大小重做日志大小时,会有一场抛出
    is_onlyinnodb=0 #是否只备份了innodb的表
    is_partial=1 #是服务器备份还是部分备份(0表示全服务器备份,1表示部分备份)
    is_skip_unused_pages=0
    meb_version=3.12.0 #版本号
    start_lsn=70249472 #开始备份的LSN点


    ***************************/


    **************************************************************
    ---2.增量备份
    **************************************************************

    mysqlbackup --defaults-file=/usr/local/mysql/my.cnf
    --host=127.0.0.1 --port=3306 --protocol=tcp
    --user=root --password=passwd123! --databases="wind"
    --with-timestamp --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysqldb01-bin.index
    --incremental --start-lsn=70249846
    --incremental-backup-dir=/backupinc backup


    mysqlbackup --defaults-file=/usr/local/mysql/my.cnf
    --host=127.0.0.1 --port=3306 --protocol=tcp
    --user=root --password=passwd123! --databases="wind"
    --with-timestamp --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysqldb01-bin.index
    --incremental --start-lsn=138861169
    --incremental-backup-dir=/backupinc backup


    **************************************************************
    --3.还原指定表空间
    **************************************************************

    --3.1 合并增量备份到全备

    ls /backupinc/
    2015-04-01_10-03-16 2015-04-01_10-11-51


    mysqlbackup --backup-dir=/backup/2015-04-01_09-39-09
    --incremental-backup-dir=/backupinc/2015-04-01_10-03-16
    apply-incremental-backup


    mysqlbackup --backup-dir=/backup/2015-04-01_09-39-09
    --incremental-backup-dir=/backupinc/2015-04-01_10-11-51
    apply-incremental-backup

    --3.2 模拟删除指定表空间

    #cat /usr/local/mysql/my.cnf |grep datadir
    datadir=/usr/local/mysql/data


    MariaDB [(none)]> show databases;
    +--------------------+
    | Database |
    +--------------------+
    | information_schema |
    | jason |
    | mysql |
    | performance_schema |
    | test |
    | wind |
    +--------------------+
    6 rows in set (0.01 sec)


    MariaDB [wind]> select count(*) from t1;
    +----------+
    | count(*) |
    +----------+
    | 3000000 |
    +----------+
    1 row in set (0.60 sec)


    MariaDB [(none)]> drop database wind;
    Query OK, 1 row affected (0.24 sec)

    MariaDB [(none)]> commit;
    Query OK, 0 rows affected (0.00 sec)

    MariaDB [(none)]> show databases;
    +--------------------+
    | Database |
    +--------------------+
    | information_schema |
    | jason |
    | mysql |
    | performance_schema |
    | test |
    +--------------------+
    5 rows in set (0.00 sec)


    --3.3 还原指定表空间

    mysqlbackup --defaults-file=/usr/local/mysql/my.cnf
    --datadir=/usr/local/mysql/data/
    --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysqldb01-bin.index
    --backup-dir=/backup/2015-04-01_09-39-09
    --databases="wind"
    copy-back

    chown -R mysql /usr/local/mysql
    chgrp -R mysql /usr/local/mysql



    --3.4验证表空间恢复情况


    MariaDB [(none)]> show databases;
    +--------------------+
    | Database |
    +--------------------+
    | information_schema |
    | jason |
    | mysql |
    | performance_schema |
    | test |
    | wind |
    +--------------------+
    6 rows in set (0.01 sec)


    MariaDB [wind]> select count(*) from t1;
    +----------+
    | count(*) |
    +----------+
    | 3000000 |
    +----------+
    1 row in set (0.60 sec)

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  • 原文地址:https://www.cnblogs.com/php5/p/4565721.html
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