演示环境：
操作系统：Linux-x86-64
数据库版本：5.7.19
本次演示包括：xtrabackup软件的安装， 全量备份，增量备份，恢复 操作
1、安装xtrabackup软件
--查看软件
[root@single-instance oracle_setup]# ll *xtrabackup*
-rw-r--r-- 1 root root 7745224 Mar 19 21:21 percona-xtrabackup-24-2.4.10-1.el7.x86_64.rpm
--安装报错 一些依赖包没有
[root@single-instance oracle_setup]# rpm -ivh percona-xtrabackup-24-2.4.10-1.el7.x86_64.rpm
warning: percona-xtrabackup-24-2.4.10-1.el7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
libev.so.4()(64bit) is needed by percona-xtrabackup-24-2.4.10-1.el7.x86_64
perl(DBD::mysql) is needed by percona-xtrabackup-24-2.4.10-1.el7.x86_64
perl(Digest::MD5) is needed by percona-xtrabackup-24-2.4.10-1.el7.x86_64
--安装依赖包
[root@single-instance oracle_setup]# rpm -ivh libev4-4.24-alt1.x86_64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:libev4-4.24-alt1 ################################# [100%]
[root@single-instance yum.repos.d]# yum -y install perl-Digest-MD5.x86_64
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Resolving Dependencies
--> Running transaction check
---> Package perl-Digest-MD5.x86_64 0:2.52-3.el7 will be installed
--> Processing Dependency: perl(Digest::base) >= 1.00 for package: perl-Digest-MD5-2.52-3.el7.x86_64
--> Running transaction check
---> Package perl-Digest.noarch 0:1.17-245.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================
Package Arch Version Repository Size
=============================================================================================================================================================
Installing:
perl-Digest-MD5 x86_64 2.52-3.el7 rhel7 30 k
Installing for dependencies:
perl-Digest noarch 1.17-245.el7 rhel7 23 k
Transaction Summary
=============================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 53 k
Installed size: 82 k
Downloading packages:
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 6.8 MB/s | 53 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
** Found 1 pre-existing rpmdb problem(s), 'yum check' output follows:
cyrus-sasl-lib-2.1.26-20.el7_2.x86_64 is a duplicate with cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64
Installing : perl-Digest-1.17-245.el7.noarch 1/2
Installing : perl-Digest-MD5-2.52-3.el7.x86_64 2/2
Verifying : perl-Digest-1.17-245.el7.noarch 1/2
Verifying : perl-Digest-MD5-2.52-3.el7.x86_64 2/2
Installed:
perl-Digest-MD5.x86_64 0:2.52-3.el7