Automated on-line capacity expansion method for storage device

Details Automated on-line capacity expansion method for storage device Automated on-line capacity expansion method for storage device

2011-04-19

2011-04-19

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S004000

Reexamination Certificate

active

07930474

ABSTRACT:
A volume provider unit in a computer system that detects a logical block address of a read or write I/O accessing a logical volume of a storage device from a host. According to the logical block address fetched, a storage domain of the logical volume is dynamically expanded. Moreover, the storage domain of the logical volume is reduced or expanded according to an instruction of logical volume capacity reduction or expansion from a host commander part to a volume server.

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