A fault-tolerant transaction processing system and method stores records associated with operations of the system in order to permit recovery in the event of a need to roll back a transaction or to restart the system. At least some of the operational records are stored as a recovery log in low-speed...http://www.google.ca/patents/US6493826?utm_source=gb-gplus-sharePatent US6493826 - Method and system for fault tolerant transaction-oriented data processing system
