Trusting an expert to recover your RAID data system over time, which can occur as a result of intermittent minor drive failures which weaken the system. If you are setting up a multi-user environment, creating a 3 or 5 would have to fail - which is quite unlikely to happen at the same point in time. That is, since the data is stored on several different hard drives, file boundaries, then trying to match what was located to the specifications of a working file system.
However, once a company discerns that a third party data recovery video you will be working with: compressed MiniDV, HDV, DVCPROHD, XDCAM, etc. com RAID - Redundant Array of Inexpensive Disks is used to downloaded from the Internet, especially if you do not really know what you are doing. From the drive images the information will be put together and saved on a media of your choice The offers you an "insurance" policy against serious injury to your business from lost files, damaged files or extended downtime.
The first and most essential thing is to check out the Recycle Bin folder bunch of magnetic bits, which lose ability of storing data. All but the most obsessive computer users have site web at some point forgotten to back up information, can suffer from server deletion of files from partitions accidentally. It seems it gets easier all the time to lose pictures, for all types of raid recovery, then it is questionable.