I'm pretty new to administering my own VPS - but thus far am finding it quite a compelling experience. There's something quite refreshing about having complete control over everything it does.

One thing that I would like to look at is a suitable backup solution (a few times a day).

My current setup is as follows:

I'm running a CENTOS 6.3 VPS with a single 25GB hard drive solely for the purpose of hosting websites. I'm using WHM & cPanel for administering them.

I now plan on adding an additional hard disk and hooking it up to my VPS. What I'm not sure about is how I get the two disks talking and get the backup process going. I'm not a seasons SSH-er so don't really know where to start.

I'm hosting with Serverlove (one of the best hosting providers I've used) and am provided with a number of unique identifiers for each hard disk so I imagine these may play a part in linking them together.

I appreciate that this is a little vague (I'm clutching at straws) but any assistance is very much appreciated.