Systems and methods for providing a storage virtualization...

Details Systems and methods for providing a storage virtualization... Systems and methods for providing a storage virtualization...

2007-06-26

2007-06-26

Wu, Yicun (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C711S206000, C711S203000

Reexamination Certificate

active

10787217

ABSTRACT:
A storage virtualization environment is provided that includes a system for providing one or more virtual volumes. The system may include a host system and a set of storage devices, each of which includes physical block addresses that stores data. Further, the system includes a network switch system connecting the host system and the set of storage devices and is configured to define and manage a virtual volume associated with data distributed across the physical block addresses. The network switch system includes a first virtualization layer that maintains first tier objects including information reflecting a relationship between the physical block addresses and one or more logical partitions of virtual volume data. Moreover, the network switch system includes a second virtualization layer that maintains second tier objects including information reflecting a logical configuration of the virtual volume. The network switch system manages the virtual volume for the host system using the first and second tier objects.

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Yongdae Kim et al., Secure Group Services for Storage Area Networks, 2002, pp. 1-14.

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