Storage device

Details Storage device Storage device

2011-04-12

2011-04-12

Patel, Kaushikkumar (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C707S651000, C707S821000

Reexamination Certificate

active

07925851

ABSTRACT:
A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.

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