Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2007
0Patent Application Number
098739770
Date Filed
June 2, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods, systems, and configured storage media are provided for flexible data mirroring. In particular, the invention provides local-remote role reversal, implementation of hot standby server status through a “media not ready” signal, several alternate buffer contents and buffering schemes, transactioning, many-to-one mirroring through use of “virtual” remote mirroring units, identification of frequently accessed data without application-specific knowledge but based instead on an application's logged and analyzed behavior, and use of the secondary server in a non-authoritative manner.
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