System and method of erasing non-volatile recording media

Details System and method of erasing non-volatile recording media System and method of erasing non-volatile recording media

G - Physics

06

F

G06F 12/00 (2006.01) G11B 5/024 (2006.01) G11C 16/16 (2006.01)

Patent

CA 2591333

A method and system for the erasing of data from a non-volatile recording medium includes a non-volatile recording medium controller, a non-volatile recording medium, and a CPU. A data pattern used in an erasure command is sent to the non-volatile recording medium a single time. Consequently, the amount of data transferred to the non-volatile recording medium controller is reduced to a minimum. After receiving the erasure command, the non-volatile recording medium controller overwrites an erasure area with the data pattern.

La présente invention concerne un procédé et un système d'effacement de données sur un support d'enregistrement non volatil. Un tel système comporte une unité centrale, ainsi qu'un support d'enregistrement non volatil et son contrôleur. Le procédé consiste à envoyer en une seule fois au support d'enregistrement non volatil la séquence de données à utiliser pour la commande d'effacement. Cela permet de ramener à un minimum la quantité de données transférées vers le contrôleur. A la réception de la commande d'effacement, le contrôleur écrase les données de la zone d'effacement au moyen de la séquence de données.

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