????7. ????????weibo.sql??binlog??pos?
????# head -25 weibo.sql
????-- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001'?? MASTER_LOG_POS=107;   #???22??
????8. ??????????????????????????
????mysql> change master to master_host='192.168.18.212'??
????-> master_user='sync'??
????-> master_password='sync'??
????-> master_log_file='mysql-bin.000001'??
????-> master_log_pos=107;
????mysql> start slave;
????mysql> show slave statusG;
????ERROR 2006 (HY000): MySQL server has gone away
????No connection. Trying to reconnect...
????Connection id:    90
????Current database: *** NONE ***
????*************************** 1. row ***************************
????Slave_IO_State: Waiting for master to send event
????Master_Host: 192.168.18.212
????Master_User: sync
????Master_Port: 3306
????Connect_Retry: 60
????Master_Log_File: mysql-bin.000001
????Read_Master_Log_Pos: 358
????Relay_Log_File: mysqld-relay-bin.000003
????Relay_Log_Pos: 504
????Relay_Master_Log_File: mysql-bin.000001
????Slave_IO_Running: Yes
????Slave_SQL_Running: Yes
????......
???????????IO??SQL?????YES????????????ó????
????9. ????weibo????????
????mysql> show tables;
????+---------------------------+
????| Tables_in_weibo           |
????+---------------------------+
????| test_tb                   |
?????????????????test_tb??????????????
????????xtrabackup??????????
???????????????????????飬??????????????
????mysql> stop slave;         #?????
????mysql> reset slave;        #????????????
????mysql> show slave statusG;   #????????????????IO??SQL?????NO
????mysql> drop database weibo;   #???weibo??
????????????????????????????????????
????1. ???????xtrabackup????
????# innobackupex --user=root --password=123 ./
??????????????????????????????2015-07-01_16-49-43
????# ll 2015-07-01_16-49-43/
????total 18480
????drwxr-xr-x 5 root root     4096 Jul  1 16:49 ./
????drwx------ 4 root root     4096 Jul  1 16:49 ../
????-rw-r--r-- 1 root root      188 Jul  1 16:49 backup-my.cnf
????-rw-r----- 1 root root 18874368 Jul  1 16:49 ibdata1
????drwxr-xr-x 2 root root     4096 Jul  1 16:49 mysql/
????drwxr-xr-x 2 root root     4096 Jul  1 16:49 performance_schema/
????drwxr-xr-x 2 root root    12288 Jul  1 16:49 weibo/
????-rw-r--r-- 1 root root       21 Jul  1 16:49 xtrabackup_binlog_info
????-rw-r----- 1 root root       89 Jul  1 16:49 xtrabackup_checkpoints
????-rw-r--r-- 1 root root      563 Jul  1 16:49 xtrabackup_info
????-rw-r----- 1 root root     2560 Jul  1 16:49 xtrabackup_logfile
????2. ??????????????????
????# scp -r 2015-07-01_16-49-43 root@192.168.18.214:/home/root
????3. ??????MySQL???????????datadir???????????????????datadir??
????# sudo rm -rf /var/lib/mysql/
????# sudo mv 2015-07-01_16-49-43/ /var/lib/mysql
????# sudo chown mysql.mysql -R /var/lib/mysql
????# sudo /etc/init.d/mysql start
????# ps -ef |grep mysql    #????????????
????mysql     8832     1  0 16:55 ?        00:00:00 /usr/sbin/mysqld
????4. ????????test_tb2???????????????????
????mysql> create table test_tb2(id int??name varchar(30));
????5. ?????????xtrabackup_info????????binlog??posλ??
????# cat /var/lib/mysql/xtrabackup_info
????uuid = 201af9db-1fce-11e5-96b0-525400e4239d
????name =
????tool_name = innobackupex
????tool_command = --user=root --password=... ./
????tool_version = 1.5.1-xtrabackup
????ibbackup_version = xtrabackup version 2.2.11 based on MySQL server 5.6.24 Linux (x86_64) (revision id: )
????server_version = 5.5.43-0ubuntu0.12.04.1-log
????start_time = 2015-07-01 16:49:43
????end_time = 2015-07-01 16:49:46
????lock_time = 1
????binlog_pos = filename 'mysql-bin.000001'?? position 429    #???λ??
????innodb_from_lsn = 0
????innodb_to_lsn = 1598188
????partial = N
????incremental = N
????format = file
????compact = N
????compressed = N
????6. ??????????????????????????
????mysql> change master to master_host='192.168.18.212'??
????-> master_user='sync'??
????-> master_password='sync'??
????-> master_log_file='mysql-bin.000001'??
????-> master_log_pos=429;
????mysql> start slave;
????mysql> show slave statusG;
????*************************** 1. row ***************************
????Slave_IO_State: Waiting for master to send event
????Master_Host: 192.168.18.212
????Master_User: sync
????Master_Port: 3306
????Connect_Retry: 60
????Master_Log_File: mysql-bin.000001
????Read_Master_Log_Pos: 539
????Relay_Log_File: mysqld-relay-bin.000002
????Relay_Log_Pos: 363
????Relay_Master_Log_File: mysql-bin.000001
????Slave_IO_Running: Yes
????Slave_SQL_Running: Yes
????......
???????????IO??SQL?????YES????????????ó????
????7. ????weibo????????
????mysql> show tables;
????+---------------------------+
????| Tables_in_weibo           |
????+---------------------------+
????| test_tb                   |
?????????????????test_tb2??????????????