Obtaining mirrored data so that the original data can be recovered after failure without transmitting the entire mirrored data between computers. A write request at a primary computer is stored in a delay buffer and a copy is transmitted to a backup computer, where it is stored in a delta queue. The...http://www.google.es/patents/US6526487?utm_source=gb-gplus-sharePatente US6526487 - Performing acknowledged operations on original and mirrored copies of data
Performing acknowledged operations on original and mirrored copies of data
