G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 11/14 (2006.01)
Patent
CA 2453082
A system for backing up and restoring information includes at least one storage device, a primary server for granting and denying a global lock to devices requesting access to the at least one storage device and at least one secondary server including internal tables for storing information relating to storage in the at least one storage device, the at least one secondary server requesting a global lock from the primary server, wherein after the global lock is granted by the primary server, the at least one secondary server checks its own internal tables to determine whether access to the at least one storage device can be granted.
L'invention concerne un système de sauvegarde et de restitution d'informations comportant au moins une mémoire, un serveur primaire pour accorder ou refuser le verrouillage global aux dispositifs qui demandent l'accès à ladite mémoire, et au moins un serveur secondaire contenant des tables internes dans lesquelles sont stockées des informations relatives à l'enregistrement dans ladite mémoire. Ledit serveur secondaire demande un verrouillage global au serveur primaire. Lorsque le serveur primaire accorde le verrouillage global, ledit serveur secondaire vérifie ses propres tables internes pour déterminer si l'accès à ladite mémoire peut être accordé.
Bereskin & Parr
Computer Associates Think Inc.
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