Storage system and storage area allocation method...

Details Storage system and storage area allocation method... Storage system and storage area allocation method...

2006-05-24

2009-06-02

Lane, Jack A (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S114000, C711S170000

Reexamination Certificate

active

07543129

ABSTRACT:
A storage apparatus is provided with a storage area for storing data sent from a host computer, and a virtual/logical volume to which a dynamically variable storage area is allocated from within the storage area, the volume being provided to the host computer, and this storage apparatus is configured to include: a pool area generation unit for generating a plurality of pool areas composed from the storage area; a setting unit for setting, for each of the plurality of pool areas generated by the pool area generation unit, an allocation unit size for allocating a storage area from within the storage area provided by the pool area to the virtual/logical volume; a selecting unit for selecting, when data to be stored in the storage area is sent from the host computer, a pool area from among the plurality of pool areas having the allocation unit size set by the setting unit, in accordance with the size of the sent data; and an allocation unit for allocating a storage area from within the storage area provided by the pool area selected by the selecting unit to the virtual/logical volume.

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patent: 2007/0113041 (2007-05-01), Sakashita et al.
patent: 2007/0271429 (2007-11-01), Eguchi et al.
patent: 2003-015915 (2001-07-01), None

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