mysqlbackup 恢复特定表

mysqlbackup使用TTS恢复指定表.  *************************************************************4.恢复特定表*************************************************************--4.1新建测试环境CREATE DATABASE `wind`  DEFAULT CHARACTER SET gbk ;use wind;create table t1(sid int not null ,sname varchar(100)  not null)engine=innodb charset=gbk  ; DELIMITER //create PROCEDURE proc1()BEGIN      DECLARE i int DEFAULT 0;    set i=1 ;set autocommit=0;  WHILE i<=1000000 DOINSERT INTO t1 values(i,'mysql测试');set i=i+1; END WHILE; commit;set autocommit=1;      END  //DELIMITER ;call proc1;create table t2asselect * from t1;--4.2.全备# rm -rf /backup && mkdir /backup#mysqlbackup --defaults-file=/usr/local/mysql/my.cnf  \--host=127.0.0.1   --port=3306  --protocol=tcp  \--user=root  --password=123  --use-tts --include-tables='wind.t2' \--with-timestamp   --backup-dir=/backup   \--log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \backup-and-apply-log # cat /backup/2015-04-02_12-41-45/meta/backup_variables.txt  | grep 'end'end_lsn=138866623--4.3 增量备份mysql> select count(*) from t1;+----------+| count(*) |+----------+|  1000000 |+----------+1 row in set (0.75 sec)mysql> select count(*) from t2;+----------+| count(*) |+----------+|  1000000 |+----------+1 row in set (0.68 sec)mysql> delete from t2  limit 10;Query OK, 10 rows affected (0.00 sec)mysql> commit;Query OK, 0 rows affected (0.00 sec)mysql> select count(*) from t2;+----------+| count(*) |+----------+|   999990 |+----------+1 row in set (0.80 sec)# rm -rf /backupinc && mkdir /backupinc--第一次增量备份#mysqlbackup --defaults-file=/usr/local/mysql/my.cnf  \--host=127.0.0.1   --port=3306  --protocol=tcp  \--user=root  --password=123  --use-tts --include-tables='wind.t2' \--with-timestamp  --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \--incremental --start-lsn=138866623  \--incremental-backup-dir=/backupinc backup   # cat /backupinc/2015-04-02_12-44-02/meta/backup_variables.txt  | grep 'end' end_lsn=138868639--第二次增量备份mysql> select count(*) from wind.t2;+----------+| count(*) |+----------+|   999990 |+----------+1 row in set (0.83 sec)mysql> desc t2    -> ;+-------+--------------+------+-----+---------+-------+| Field | Type         | Null | Key | Default | Extra |+-------+--------------+------+-----+---------+-------+| sid   | int(11)      | NO   |     | NULL    |       || sname | varchar(100) | NO   |     | NULL    |       |+-------+--------------+------+-----+---------+-------+2 rows in set (0.00 sec)mysql> update t2 set sname='ocpyang mysql test!' limit 5000;Query OK, 5000 rows affected (0.24 sec)Rows matched: 5000  Changed: 5000  Warnings: 0mysql> commit;Query OK, 0 rows affected (0.00 sec)mysql> select count(*) from wind.t2 where sname='ocpyang mysql test!';+----------+| count(*) |+----------+|     5000 |+----------+1 row in set (0.86 sec)#mysqlbackup --defaults-file=/usr/local/mysql/my.cnf  \--host=127.0.0.1   --port=3306  --protocol=tcp  \--user=root  --password=123  --use-tts --include-tables="wind.t2" \--with-timestamp  --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \--incremental --start-lsn=138868639  \--incremental-backup-dir=/backupinc  backup # cat /backupinc/2015-04-02_12-46-48/meta/backup_variables.txt  | grep endend_lsn=139571560--4.4 合并增量备份到全备ls /backupinc/2015-04-02_12-44-02  2015-04-02_12-46-48ls /backup2015-04-02_12-41-45mysqlbackup --backup-dir=/backup/2015-04-02_12-41-45/ \--incremental-backup-dir=/backupinc/2015-04-02_12-44-02 \--log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \apply-incremental-backup mysqlbackup --backup-dir=/backup/2015-04-02_12-41-45 \--incremental-backup-dir=/backupinc/2015-04-02_12-46-48 \--log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \apply-incremental-backup --4.5  模拟删除指定表#cat /usr/local/mysql/my.cnf |grep datadirdatadir=/usr/local/mysql/datamysql> select count(*) from t2;+----------+| count(*) |+----------+|   999990 |+----------+1 row in set (0.80 sec)mysql> select count(*) from wind.t2 where sname='ocpyang mysql test!';+----------+| count(*) |+----------+|     5000 |+----------+1 row in set (0.86 sec)mysql> drop table t2;--4.6 还原指定表(使用mysql用户)chown -R mysql /backupchgrp -R mysql /backupchown -R mysql /usr/local/mysqlchgrp -R mysql /usr/local/mysql[mysql@mysql ~]$ whoami   #避免权限问题mysql/***********************NOTE:权限问题出现的错误 150402 13:29:26 mysqlbackup: INFO: Importing table: wind.t2. mysqlbackup: ERROR: mysql query: 'ALTER TABLE wind.t2 IMPORT TABLESPACE': Internal error: Cannot reset LSNs in table '"wind"."t2"' : Tablespace not found mysqlbackup: ERROR: Failed to import tablespace wind.t2.mysqlbackup failed with errors!*************************************************/mysqlbackup --host=127.0.0.1   --port=3306  --protocol=tcp  \--user=root  --password=123  \--datadir=/usr/local/mysql/data/   \--log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \--backup-dir=/backup/2015-04-02_12-41-45/ \--include-tables='wind\.t2$' \copy-back[mysql@mysql ~]$ mysqlbackup --host=127.0.0.1   --port=3306  --protocol=tcp  \> --user=root  --password=123  \> --datadir=/usr/local/mysql/data/   \> --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index \> --backup-dir=/backup/2015-04-02_12-41-45/ \> --include-tables='wind\.t2$' \> copy-backMySQL Enterprise Backup version 3.12.0 Linux-2.6.18-194.el5-x86_64 [2015/03/10] Copyright (c) 2003, 2015, Oracle and/or its affiliates. All Rights Reserved. mysqlbackup: INFO: Starting with following command line ... mysqlbackup --host=127.0.0.1 --port=3306 --protocol=tcp --user=root         --password=xxx --datadir=/usr/local/mysql/data/         --log-bin-index=/usr/local/mysql/mysql_logs/binary_log/mysql-bin.index         --backup-dir=/backup/2015-04-02_12-41-45/ --include-tables=wind\.t2$         copy-back  mysqlbackup: INFO: IMPORTANT: Please check that mysqlbackup run completes successfully.           At the end of a successful 'copy-back' run mysqlbackup           prints "mysqlbackup completed OK!".150402 13:38:25 mysqlbackup: INFO: MEB logfile created at /backup/2015-04-02_12-41-45/meta/MEB_2015-04-02.13-38-25_copy_back.log mysqlbackup: INFO: MySQL server version is '5.6.23-enterprise-commercial-advanced-log'. mysqlbackup: INFO: Got some server configuration information from running server.--------------------------------------------------------------------                       Server Repository Options:--------------------------------------------------------------------  datadir = /usr/local/mysql/data/  innodb_data_home_dir = /usr/local/mysql/innodb_data  innodb_data_file_path = ibdata1:800M;ibdata2:800M:autoextend  innodb_log_group_home_dir = /usr/local/mysql/mysql_logs/innodb_log/  innodb_log_files_in_group = 3  innodb_log_file_size = 2147483648  innodb_page_size = 16384  innodb_checksum_algorithm = innodb  innodb_undo_directory = .  innodb_undo_tablespaces = 0  innodb_undo_logs = 128--------------------------------------------------------------------                       Backup Config Options:--------------------------------------------------------------------  datadir = /backup/2015-04-02_12-41-45/datadir  innodb_data_home_dir = /backup/2015-04-02_12-41-45/datadir  innodb_data_file_path = ibdata1:800M;ibdata2:800M:autoextend  innodb_log_group_home_dir = /backup/2015-04-02_12-41-45/datadir  innodb_log_files_in_group = 3  innodb_log_file_size = 2147483648  innodb_page_size = 16384  innodb_checksum_algorithm = innodb mysqlbackup: INFO: Creating 14 buffers each of size 16777216.150402 13:38:25 mysqlbackup: INFO: Copy-back operation starts with following threads1 read-threads    1 write-threads 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.150402 13:38:25 mysqlbackup: INFO: Creating table: wind.t2.150402 13:38:25 mysqlbackup: INFO: Copying /backup/2015-04-02_12-41-45/datadir/wind/t2.ibd.150402 13:38:26 mysqlbackup: INFO: Completing the copy of all non-innodb files.150402 13:38:27 mysqlbackup: INFO: Importing table: wind.t2.150402 13:38:28 mysqlbackup: INFO: Analyzing table: wind.t2.150402 13:38:29 mysqlbackup: INFO: Copy-back operation completed successfully.150402 13:38:29 mysqlbackup: INFO: Finished copying backup files to '/usr/local/mysql/data'mysqlbackup completed OK!# ls -ll /usr/local/mysql/data/wind/total 57360-rw-rw----. 1 mysql mysql       61 Apr  2 13:26 db.opt-rw-rw----. 1 mysql mysql     8590 Apr  2 13:38 t2.frm-rw-rw-r--. 1 mysql mysql 58720256 Apr  2 13:38 t2.ibd/*******ALTER TABLE t2 discard TABLESPACE;ALTER TABLE t2 IMPORT TABLESPACE;*********/ --4.7验证表恢复情况mysql> use wind;Database changedmysql> show tables;+----------------+| Tables_in_wind |+----------------+| t2             |+----------------+1 row in set (0.00 sec)mysql> select count(*) from t2;+----------+| count(*) |+----------+|   999990 |+----------+1 row in set (1.34 sec)mysql> select count(*) from wind.t2 where sname='ocpyang mysql test!';+----------+| count(*) |+----------+|     5000 |+----------+1 row in set (0.78 sec)