这篇文章给大家介绍怎样进行percona-xtrabackup安装，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。

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Linux系统环境：

Red Hat Enterprise Linux Server release 6.5 (Santiago)

MySQL版本：5.7.9 Source distribution

1. Install the Percona repository

[root@ora yum.repos.d]# wget 
[root@ora yum.repos.d]# rpm -ivh percona-release-0.1-3.noarch.rpm 
warning: percona-release-0.1-3.noarch.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Preparing...              ########################################### [100%]
   1:percona-release        ########################################### [100%]

2. Testing the repository

[root@ora yum.repos.d]# yum list | grep percona-xtrabackup
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
percona-xtrabackup.x86_64          2.3.8-1.el6            percona-release-x86_64
percona-xtrabackup-20.x86_64       2.0.8-587.rhel6        percona-release-x86_64
percona-xtrabackup-20-debuginfo.x86_64
percona-xtrabackup-20-test.x86_64  2.0.8-587.rhel6        percona-release-x86_64
percona-xtrabackup-21.x86_64       2.1.9-746.rhel6        percona-release-x86_64
percona-xtrabackup-21-debuginfo.x86_64
percona-xtrabackup-22.x86_64       2.2.13-1.el6           percona-release-x86_64
percona-xtrabackup-22-debuginfo.x86_64
percona-xtrabackup-24.x86_64       2.4.7-2.el6            percona-release-x86_64
percona-xtrabackup-24-debuginfo.x86_64
percona-xtrabackup-debuginfo.x86_64
percona-xtrabackup-test.x86_64     2.3.8-1.el6            percona-release-x86_64
percona-xtrabackup-test-21.x86_64  2.1.9-746.rhel6        percona-release-x86_64
percona-xtrabackup-test-22.x86_64  2.2.13-1.el6           percona-release-x86_64
percona-xtrabackup-test-24.x86_64  2.4.7-2.el6            percona-release-x86_64

3. Install the packages

[root@ora yum.repos.d]# yum install percona-xtrabackup-24
Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package percona-xtrabackup-24.x86_64 0:2.4.7-2.el6 will be installed
--> Processing Dependency: libev.so.4()(64bit) for package: percona-xtrabackup-24-2.4.7-2.el6.x86_64
--> Finished Dependency Resolution
Error: Package: percona-xtrabackup-24-2.4.7-2.el6.x86_64 (percona-release-x86_64)
           Requires: libev.so.4()(64bit)
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

yum install percona-xtrabackup-21

yum install percona-xtrabackup-22

执行以上两条命令安装是没有错误提示的

percona-xtrabackup-24依赖libev.so.4()，安装对应的包即可解决

4. Install the libev-4.15-1.el6.rf.x86_64.rpm 

[root@ora yum.repos.d]# wget 
[root@ora yum.repos.d]# rpm -ivh libev-4.15-1.el6.rf.x86_64.rpm
warning: libev-4.15-1.el6.rf.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 6b8d79e6: NOKEY
Preparing...                ########################################### [100%]
   1:libev                  ########################################### [100%] 
[root@ora yum.repos.d]# yum install percona-xtrabackup-24
Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package percona-xtrabackup-24.x86_64 0:2.4.7-2.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================
 Package                     Arch         Version             Repository                    Size
=================================================================================================
Installing:
 percona-xtrabackup-24       x86_64       2.4.7-2.el6         percona-release-x86_64       7.9 M

Transaction Summary
=================================================================================================
Install       1 Package(s)

Total download size: 7.9 M
Installed size: 31 M
Is this ok [y/N]: y
Downloading Packages:
percona-xtrabackup-24-2.4.7-2.el6.x86_64.rpm                              | 7.9 MB     04:41     
warning: rpmts_HdrFromFdno: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Importing GPG key 0xCD2EFD2A:
 Userid : Percona MySQL Development Team 
 Package: percona-release-0.1-3.noarch (installed)
 From   : /etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Is this ok [y/N]: y
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : percona-xtrabackup-24-2.4.7-2.el6.x86_64                                      1/1 
  Verifying  : percona-xtrabackup-24-2.4.7-2.el6.x86_64                                      1/1 

Installed:
  percona-xtrabackup-24.x86_64 0:2.4.7-2.el6                                                     

Complete!

5. Uninstalling Percona XtraBackup

[root@ora yum.repos.d]# yum remove percona-xtrabackup-24

6. backup database

全备的最小权限

mysql> CREATE USER 'bkpuser'@'localhost' IDENTIFIED BY 's3cret';
Query OK, 0 rows affected (0.49 sec)
mysql> GRANT RELOAD, LOCK TABLES, REPLICATION CLIENT,PROCESS ON *.* TO 'bkpuser'@'localhost';
Query OK, 0 rows affected (0.00 sec)

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.35 sec)

[root@ora backup]# innobackupex --user=bkpuser --password=s3cret --socket=/tmp/mysql.sock /oracle/app/backup
170620 16:15:27 innobackupex: Starting the backup operation

IMPORTANT: Please check that the backup run completes successfully.
           At the end of a successful backup run innobackupex
           prints "completed OK!".

170620 16:15:27  version_check Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup;mysql_socket=/tmp/mysql.sock' as 'bkpuser'  (using password: YES).
170620 16:15:28  version_check Connected to MySQL server
170620 16:15:28  version_check Executing a version check against the server...
170620 16:15:28  version_check Done.
170620 16:15:28 Connecting to MySQL server host: localhost, user: bkpuser, password: set, port: not set, socket: /tmp/mysql.sock
Using server version 5.7.9
innobackupex version 2.4.7 based on MySQL server 5.7.13 Linux (x86_64) (revision id: 05f1fcf)
xtrabackup: uses posix_fadvise().
xtrabackup: cd to /oracle/app/mysql-5.7/data/
xtrabackup: open files limit requested 0, set to 1024
xtrabackup: using the following InnoDB configuration:
xtrabackup:   innodb_data_home_dir = .
xtrabackup:   innodb_data_file_path = ibdata1:12M:autoextend
xtrabackup:   innodb_log_group_home_dir = ./
xtrabackup:   innodb_log_files_in_group = 2
xtrabackup:   innodb_log_file_size = 50331648
InnoDB: Number of pools: 1
170620 16:15:28 >> log scanned up to (2476814)
省略。。。
170620 16:15:36 [00]        ...done
170620 16:15:36 Backup created in directory '/oracle/app/backup/2017-06-20_16-15-27/'
170620 16:15:36 [00] Writing backup-my.cnf
170620 16:15:36 [00]        ...done
170620 16:15:36 [00] Writing xtrabackup_info
170620 16:15:36 [00]        ...done
xtrabackup: Transaction log of lsn (2476805) to (2476814) was copied.
170620 16:15:36 completed OK!


backup_type说明为全备。

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