Methods and apparatus for multiple cluster locking

G - Physics – 06 – F

Patent

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G06F 9/46 (2006.01) G06F 12/06 (2006.01) G06F 12/08 (2006.01)

Patent

CA 2505259

Methods and devices are provided for controlling lock and unlock operations within a computer system. A home cluster includes a home lock manager. The home lock manager is a master lock manager for the home cluster and for a plurality of remote clusters, the plurality of remote clusters including remote cache coherency controllers and a plurality of remote processors. Lock and unlock commands from the home lock manager are transmitted by a home cache coherency controller to the remote cache coherency controllers and forwarded to the remote processors.

L'invention concerne des procédés et des dispositifs qui permettent de commander les opérations de verrouillage et de déverrouillage dans un système informatique. Une grappe domestique comprend un gestionnaire de verrouillage domestique. Ce gestionnaire de verrouillage domestique est un gestionnaire de verrouillage maître pour la grappe domestique et pour une pluralité de grappes distantes, la pluralité de grappes distantes comprenant des contrôleurs distants de cohésion de la mémoire cache et une pluralité de processeurs distants. Des commandes de verrouillage et de déverrouillage émises par le gestionnaire de verrouillage domestique sont transmises par un contrôleur domestique de cohésion de la mémoire cache aux contrôleurs distants de cohésion de la mémoire cache et retransmises aux processeurs distants.

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