Verifying primary and backup copies of vital information for a processing system employing a pseudo-fixed reference identifier

摘要: Verification of a primary or backup copy vital information processing system employs pseudo-fixed reference identifier, defined as an identifier unlikely to change over the life system, and controls which is correct. The associated with identifier. A processor, when triggered, reads compares it stored copies non-volatile storage. ( 1 ) If read matches processor indicates valid. 2 only, indicating that be restore copied become copy.