Data recovery is the process of extracting data from damaged, failed, or corrupted storage media when it cannot be accessed normally. Often the data is being salvaged from storage media formats such as hard disks, storage tapes, CDs, DVDs, RAID data recovery, and other electronics. Recovery may be required due to physical damage to the storage device or logical damage to the file system that keeps it from being read by the host operating system. Although there is some confusion as to the term,