Storage apparatus and data writing method

Details Storage apparatus and data writing method Storage apparatus and data writing method

2011-06-21

2011-06-21

Peugh, Brian R (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

Reexamination Certificate

active

07966448

ABSTRACT:
A storage apparatus includes: a management unit for managing mapping, to a logical volume, of a second dynamically allocated storage area volume in an external storage apparatus, and also managing a management unit for a storage area in the second dynamically allocated storage area volume for storing data sent from the host computer; a volume creation unit for creating, when creating the first dynamically allocated storage area volume in accordance with an externally given command, the first dynamically allocated storage area volume by setting the management unit for the first dynamically allocated storage area volume based on a management unit for a storage area in the second dynamically allocated storage area volume; and a write data writing unit for writing, in accordance with a command from the host computer, the write data sent from the host computer to a storage area in a relevant second dynamically allocated storage area volume.

REFERENCES:
patent: 2005/0091455 (2005-04-01), Kano et al.
patent: 2007/0078984 (2007-04-01), Abei
patent: 2003-015915 (2003-01-01), None
patent: 2003-102374 (2003-04-01), None
patent: 2007-102439 (2007-04-01), None

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