cdpereira,
Sadly do not have any recommendations for your current issue. However, the best tip I can give you is, always have at least two copies of data you cannot afford to lose, for your future needs.
Here is some simple reading:
http://www.cnet.com/how-to/digital-storage-basics-part-3-backup-vs-redundancy/
Also search this forum for solutions, there are a few… see docomosumor’s post here:
