Testing apparatus for digital storage device

G - Physics – 11 – B

Patent

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Details

G11B 20/18 (2006.01) G06F 11/263 (2006.01) G06F 11/267 (2006.01) G06F 11/273 (2006.01) G11B 5/455 (2006.01) G11B 33/10 (2006.01)

Patent

CA 2235268

An apparatus for testing electro-mechanical storage devices, such as disk drives, is provided. A testing device (14) in a digital computer (10) selects test parameters from an array of test parameters stored in the digital computer (10). A random number generator is used in the selection of the test parameters. When errors occur, the array of test parameters is dynamically adapted during testing to change the probability of selecting certain test parameters in response to the error.

Cette invention porte sur un appareil permettant de procéder à des essais d'unités électromécaniques de stockage, des mécanismes d'entraînement de disque, par exemple. Un dispositif d'essai (14) dans un calculateur numérique (10) sélectionne des paramètres d'essai dans un ensemble de paramètres d'essai mémorisés dans le calculateur numérique (10). On utilise un générateur de nombres aléatoires pour la sélection des paramètres d'essai. Si des erreurs surviennent, on adapte de manière dynamique l'ensemble de paramètres d'essai durant l'essai afin de modifier la probabilité de sélection de certains paramètres d'essai en réaction à l'erreur survenue.

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