Distributed data storage

G - Physics – 06 – F

Patent

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Details

G06F 17/30 (2006.01)

Patent

CA 2741477

The present invention relates to a distributed data storage system comprising a plurality of storage nodes. Using unicast and multicast transmission, a server application may read and write data in the storage system. Each storage node may monitor reading and writing operations on the system as well as the status of other storage nodes. In this way, the storage nodes may detect a need for replication of files on the system, and may carry out a replication process that serves to maintain a storage of a sufficient number of copies of files with correct versions at geographically diverse locations.

La présente invention concerne un système distribué de stockage de données comprenant une pluralité de nuds de stockage. La transmission en monodiffusion et en multidiffusion permet à une application de serveur de lire et écrire des données dans le système de stockage. Chaque nud de stockage peut surveiller les opérations de lecture et d'écriture dans le système ainsi que l'état des autres nuds de stockage. L'invention permet ainsi aux nuds de stockage de détecter les besoins de réplication de fichiers dans le système et d'exécuter un traitement de réplication servant à tenir à jour en différents lieux géographiques un stockage d'un nombre suffisant d'exemplaires des fichiers.

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