Hybrid media storage system architecture

G - Physics – 06 – F

Patent

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G06F 3/06 (2006.01)

Patent

CA 2714745

A hybrid media storage architecture has a log-structured file system configured to control a plurality of different storage media organized as hybrid storage media that cooperate to provide a total storage space of a storage system. The log-structured file system is configured to perform initial placement and migration of data, as well as fine-grain write allocation of the data, among storage space locations of the hybrid storage media to thereby improve the performance characteristics of the media. By defming and implementing heuristics and policies directed to, e.g., types of data, the file system may initially place data on any of the different media and thereafter migrate data between the media at fine granularity and without the need for manual enforcement.

L'invention porte sur une architecture de stockage à supports hybrides qui a un système de fichiers structuré en journal configuré pour commander une pluralité de différents supports de stockage organisés sous forme de supports de stockage hybrides qui coopèrent pour fournir un espace de stockage total d'un système de stockage. Le système de fichiers structuré en journal est configuré pour effectuer un placement initial et une migration de données, ainsi qu'une attribution d'écriture à granularité fine des données, parmi des emplacements d'espace de stockage des supports de stockage hybrides pour ainsi améliorer les caractéristiques de fonctionnement des supports. Par la définition et la mise en uvre d'heuristiques et de politiques dirigées vers des types de données, par exemple, le système de fichiers peut initialement placer des données sur l'un quelconque des différents supports, puis faire migrer des données entre les supports à une granularité fine et sans le besoin d'une application manuelle.

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