Hybrid logical block virtualization system for a storage...

Details Hybrid logical block virtualization system for a storage... Hybrid logical block virtualization system for a storage...

2006-03-28

2006-03-28

Bataille, Pierre (Department: 2186)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S004000, C711S154000, C711S006000, C711S111000, C711S112000

Reexamination Certificate

active

07020760

ABSTRACT:
A method and structure for a system for managing logical blocks of storage is disclosed. An out-of-band mapping unit is adapted to process data requests from a host. The mapping unit includes a first table and a second table. An in-band virtualization engine is operatively connected to the out-of-band mapping unit. The first table is adapted to map to locations on a memory device. The second table is adapted to map to the in-band virtualization engine. The in-band virtualization engine is adapted to perform storage management functions and directly map to the locations on the memory device. The out-of-band mapping unit is adapted to be dynamically altered by the in-band virtualization engine to determine which of the first table and the second table is chosen.

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