I'm planning on using this for a backup system, supports almost everything.

https://github.com/meskyanichi/backup

Even Amazon.

Install Ruby

$ sudo yum groupinstall 'Development Tools'
$ sudo yum install readline-devel
$ cd /usr/local/src
$ wget ftp://ftp.ruby-lang.org/pub/ruby/1.9....1-p376.tar.gz
$ tar xzvf ruby-1.9.1-p376.tar.gz
$ cd ruby-1.9.1-p376
$ ./configure && make
$ sudo make install
Source: http://mjijackson.com/2010/02/ruby-1.9-centos-5

Install Backup

gem install backup
Source: https://rubygems.org/gems/backup

or use a Bash Script like supplied.

Regards,
Cory