======Overview======
Percona XTRABACKUP provides online(hot) backup functionality for InnoDB database and is the 2nd tool, apart from the Oracle mysqlbackup, which offers online(hot) backup for InnoDB.


=====Installation=====
Installation of the percona: XtraBackup is done via 3 packages:

<sxh bash>
[root@mysqlmaster ~]# ls -lart
-rw-rw-r--   1 root root   7704656 Nov 23 04:15 percona-xtrabackup-24-2.4.9-1.el7.x86_64.rpm
-rw-rw-r--   1 root root  37655180 Nov 23 04:15 percona-xtrabackup-24-debuginfo-2.4.9-1.el7.x86_64.rpm
-rw-rw-r--   1 root root  13576972 Nov 23 04:15 percona-xtrabackup-test-24-2.4.9-1.el7.x86_64.rpm
[root@mysqlmaster ~]#
</sxh>

Which can be downloaded from: [[https://www.percona.com/downloads/XtraBackup/LATEST/|here]]

These packages require 4 additional packages:

<sxh bash>
[root@mysqlmaster ~]# rpm -Uvh percona-xtrabackup-*
warning: percona-xtrabackup-24-2.4.9-1.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-24-2.4.9-1.el7.x86_64
        perl(DBD::mysql) is needed by percona-xtrabackup-24-2.4.9-1.el7.x86_64
        perl(Digest::MD5) is needed by percona-xtrabackup-24-2.4.9-1.el7.x86_64
        rsync is needed by percona-xtrabackup-24-2.4.9-1.el7.x86_64
[root@mysqlmaster ~]#
</sxh>


All of these packages can be downloaded with installing: 
  * Percona-Server-shared-compat

Or by simply installing all the packages yourself:


<sxh bash>
[root@mysqlmaster ~]# yum -y install libev.* rsync perl-DBD-MySQL perl-Digest-MD5
</sxh>