xtrabackup全备方案，备份恢复全过程记录
mysql> use inno
Database changed
mysql> insert into mm select 1;
Query OK, 1 row affected (0.01 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> insert into mm select 2;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> insert into mm select 3;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> select * from mm;
+------+
| a |
+------+
| 1 |
| 2 |
| 3 |
+------+
3 rows in set (0.00 sec)
mysql> show create table mm;
+-------+-------------------------------------------------------------------------------------+
| Table | Create Table |
+-------+-------------------------------------------------------------------------------------+
| mm | CREATE TABLE `mm` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
+-------+-------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> exit
mysql> use inno
Database changed
mysql> create table t(a int)
-> ;
Query OK, 0 rows affected (0.06 sec)
mysql> show create table t;
+-------+------------------------------------------------------------------------------------+
| Table | Create Table |
+-------+------------------------------------------------------------------------------------+
| t | CREATE TABLE `t` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
+-------+------------------------------------------------------------------------------------+
1 row in set (0.01 sec)
mysql> insert into t select 1;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> insert into t select 2;
Query OK, 1 row affected (0.01 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> insert into t select 3;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> select * from t;
+------+
| a |
+------+
| 1 |
| 2 |
| 3 |
+------+
3 rows in set (0.00 sec)
mysql>
以上是准备环境，以下开始进行测试；
全备：
[root@Slave02 back_up]# xtrabackup_55 --defaults-file=/etc/my.cnf --backup --target-dir=/data/back_up/
xtrabackup_55 version 1.6.2 for MySQL server 5.5.10 Linux (i686) (revision id: undefined)
xtrabackup: uses posix_fadvise().
xtrabackup: cd to /usr/local/mysql/data
xtrabackup: Target instance is assumed as followings.
xtrabackup: innodb_data_home_dir = ./
xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend
xtrabackup: innodb_log_group_home_dir = ./
xtrabackup: innodb_log_files_in_group = 2
xtrabackup: innodb_log_file_size = 5242880
130327 14:11:12 InnoDB: Using Linux native AIO
130327 14:11:12 InnoDB: Warning: allocated tablespace 2, old maximum was 0
>> log scanned up to (893330211)
[01] Copying ./ibdata1
to /data/back_up//ibdata1
>> log scanned up to (893330211)
>> log scanned up to (893330211)
[01] ...done
[01] Copying ./inno/mm.ibd
to /data/back_up//inno/mm.ibd
[01] ...done
[01] Copying ./inno/t.ibd
to /data/back_up//inno/t.ibd
[01] ...done
xtrabackup: The latest check point (for incremental): '893330211'
>> log scanned up to (893330211)
xtrabackup: Stopping log copying thread.
xtrabackup: Transaction log of lsn (893330211) to (893330211) was copied.
[root@Slave02 back_up]#
[root@Slave02 back_up]# ls
ibdata1 inno xtrabackup_checkpoints xtrabackup_logfile
[root@Slave02 back_up]# cd inno/
[root@Slave02 inno]# ls
mm.ibd t.ibd
[root@Slave02 inno]# ll
total 208
-rw-r--r-- 1 root root 98304 Mar 27 14:11 mm.ibd
-rw-r--r-- 1 root root 98304 Mar 27 14:11 t.ibd
[root@Slave02 inno]#
[root@Slave02 inno]# cp /usr/local/mysql/data/inno/*.frm /data/back_up/inno/ --复制表结构文件进行到备份目录内；
[root@Slave02 inno]# cd /data/back_up/inno/
[root@Slave02 inno]# ls
mm.frm mm.ibd t.frm t.ibd ----此目录内有完整的IBD数据文件和frm表结构文件；
[root@Slave02 inno]#
[root@Slave02 inno]# cd ..
[root@Slave02 data]# ls
book log.1 mysql-bin.000004 prod
ibdata1 mysql mysql-bin.index Slave02.err
ib_logfile0 mysql-bin.000001 mysqld_multi.log Slave02.pid
ib_logfile1 mysql-bin.000002 mysql.pid slow.log
inno mysql-bin.000003 performance_schema test
---以下开始测试全库innodb的恢复过程
[root@Slave02 data]# rm -rf inno/ ----删除inno里的所有文件（ibd,from等）
[root@Slave02 data]# ls
book mysql mysql-bin.index Slave02.err
ibdata1 mysql-bin.000001 mysqld_multi.log Slave02.pid
ib_logfile0 mysql-bin.000002 mysql.pid slow.log
ib_logfile1 mysql-bin.000003 performance_schema test
log.1 mysql-bin.000004 prod
[root@Slave02 data]# cp -r /data/back_up/inno/ /usr/local/mysql/data/ --使用备份的数据进行还原到相关目录
[root@Slave02 data]# ls
book log.1 mysql-bin.000004 prod
ibdata1 mysql mysql-bin.index Slave02.err
ib_logfile0 mysql-bin.000001 mysqld_multi.log Slave02.pid
ib_logfile1 mysql-bin.000002 mysql.pid slow.log
inno mysql-bin.000003 performance_schema test
[root@Slave02 data]# cd inno/
[root@Slave02 inno]# ll ---查看到相关的目前权限不对，进行修改
total 240
-rw-r----- 1 root root 8554 Mar 27 14:20 mm.frm
-rw-r--r-- 1 root root 98304 Mar 27 14:20 mm.ibd
-rw-r----- 1 root root 8554 Mar 27 14:20 t.frm
-rw-r--r-- 1 root root 98304 Mar 27 14:20 t.ibd
[root@Slave02 inno]#
[root@Slave02 inno]# ll
total 240
-rw-r----- 1 root root 8554 Mar 27 14:20 mm.frm
-rw-r--r-- 1 root root 98304 Mar 27 14:20 mm.ibd
-rw-r----- 1 root root 8554 Mar 27 14:20 t.frm
-rw-r--r-- 1 root root 98304 Mar 27 14:20 t.ibd
[root@Slave02 inno]# chown -R mysql:mysql /usr/local/mysql/data/inno/
[root@Slave02 inno]# ll -la
total 256
drwx------ 2 mysql mysql 4096 Mar 27 14:20 .
drwxr-xr-x 8 mysql mysql 4096 Mar 27 14:20 ..
-rw-r----- 1 mysql mysql 8554 Mar 27 14:20 mm.frm
-rw-r--r-- 1 mysql mysql 98304 Mar 27 14:20 mm.ibd
-rw-r----- 1 mysql mysql 8554 Mar 27 14:20 t.frm
-rw-r--r-- 1 mysql mysql 98304 Mar 27 14:20 t.ibd
[root@Slave02 inno]#
[root@Slave02 inno]# service mysqld restart -----重启msyql，进行校验下数据；
Shutting down MySQL. [ OK ]
Starting MySQL.. [ OK ]
[root@Slave02 inno]# mysql -uroot -proot
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.13-log Source distribution
Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> use inno;
Database changed
mysql> show tables;
+----------------+
| Tables_in_inno |
+----------------+
| mm |
| t |
+----------------+
2 rows in set (0.00 sec)
mysql> select * from mm; ---恢复无误正常；
+------+
| a |
+------+
| 1 |
| 2 |
| 3 |
| 4 |
+------+
4 rows in set (0.00 sec)
mysql>
mysql> select * from t;
+------+
| a |
+------+
| 1 |
| 2 |
| 3 |
+------+
3 rows in set (0.00 sec)
mysql>
