Have you ever lost pictures, logbooks or the source code you have worked so hard on during the last few nights? Then you have already experienced how painful the loss of data can be. If you want to avoid this unpleasant experience, it’s definitely the right moment to think about a data backup strategy. I’ll split up this topic in two separated posts. In this post I would like to present you the most important factors you need to consider when defining a backup strategy. In the second post I’ll present you my backup strategy and how I implemented it.