If you had to carry out RAID recovery at any time, you will appreciate surely that this is not something that you can do by your regular upkeep technician. And if the idea did happen, you would have surely not enjoyed the ability. When this happens, it means that a minimum of one of the drives provides failed, and most likely the idea contained crucial data that you must get back somehow. You can't really take a chance in this particular situation. You have to show to a professional RAID info recovery service. That's because only seasoned RAID recovery professionals will know what shall be done to get again the critical data quickly. If it's lost once and for all, then it could trigger business loss.