A method of operating a computer system

Details A method of operating a computer system A method of operating a computer system

G - Physics

06

F

G06F 12/16 (2006.01)

Patent

CA 2153508

A method of operating a computer system, in particular a microcomputer having a storage device shared between several application programs, comprises a backup process including a process for maintaining a record of changes made to the data on the storage device whilst the backup process is executing. The record is used to ensure that the data seen by the backup process does not change while it is executing whilst allowing other processes to continue to update the storage device normally thereby avoiding delays associated with file locking techniques. The additional operations are executed at the level of the operating system interface of the microcomputer in such a manner that normal use of the computer is unaffected.

L'invention a pour objet un procédé d'exploitation d'un système informatique, en particulier d'un micro-ordinateur équipé d'une mémoire partagée entre plusieurs programmes d'applications. Ledit procédé comprend un processus de sauvegarde comportant un processus conçu pour conserver un enregistrement des modifications apportées aux données dans la mémoire pendant l'exécution de la sauvegarde. L'enregistrement sert à faire en sorte que les données lues par le processus de sauvegarde ne changent pas pendant l'exécution tout en permettant à d'autres processus de continuer à mettre à jour la mémoire normalement, empêchant ainsi des retards liés aux techniques de verrouillage de fichiers. Les opérations supplémentaires sont exécutées au niveau de l'interface du système d'exploitation du micro-ordinateur de façon à ne pas affecter l'utilisation normale de l'ordinateur.

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