Alternate server system

G - Physics – 06 – F

Patent

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Details

G06F 9/00 (2006.01) H04L 1/22 (2006.01)

Patent

CA 2514845

An alternate server system (10) for continued network operation in the event of a network server failure. The alternate server system integrates a number of main servers (12, 12A, 12B) with a backup server (14) and a number of workstations (16, 16A, 16B, 16C). The backup server (14) periodically takes snapshots of selected application data sets on the main server (12, 12A, 12B). In the event of a main server failure, the backup server (14) gives users of the workstations (16, 16A, 16B, 16C) the option to continue running applications on the backup server using the selected backup data. When the main server (12, 12A, 12B) is returned to operation, the alternate server system discontinues execution of applications on the backup server, updates modified data, and restarts the applications on the main server.

Cette invention concerne un système de serveur auxiliaire (10) pour fonctionnement ininterrompu d'un réseau en cas de défaillance des serveurs dudit réseau. Le système de serveur auxiliaire comprend un certain nombre de serveurs principaux (12, 12A, 12B) avec un serveur d'appoint (14) et un certain nombre de postes de travail (16, 16A, 16B, 16C). Le serveur auxiliaire (14) <= photographie >= périodiquement des ensembles choisis de donnés d'application de serveur principal (12, 12A, 12B). En cas de défaillance des serveurs principaux, le serveur auxiliaire (14) offrent aux utilisateurs des postes de travail (16, 16A, 16B, 16C) la possibilité de continuer d'utiliser des applications sur le serveur auxiliaire au moyens de certaines données d'appoint. Dès que le serveur principal (12, 12A, 12B) redevient opérationnel, le système de serveur auxiliaire cesse d'exécuter les applications sur ce serveur, met à jour les données modifiées et relance l'application sur le serveur principal.

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