PATENT CLAIM ANALYSIS

Application Number: 15755930
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-12
Patent Classification: ["711", "114000"]

Abstract:
The storage system defines, a RAID group having one or more logical devices, and manages the logical devices by assigning them to a pool. When a data write request is received from the host for the virtual volume, the storage system allocates an unused logical storage area in the pool to the virtual volume and writes the data to the storage device having the allocated logical storage area. The storage device compresses the data, stores it in the physical area, and manages the physical area in association with the logical storage region. A computer system may increase the amount of the physical area assigned to the pool when a physical usage amount of the physical area belonging to the pool exceeds a predetermined threshold value, and increase the amount of the logical storage area assigned to the pool when the logical usage amount exceeds a predetermined threshold value.

Claim (Index 1):
A computer system comprising:\n a storage system for providing a virtual volume to a host, \u2003the storage system including:\n a plurality of storage devices, each storage device having a predetermined amount of physical area, and \n a processor; and \n a management server for managing the storage system, wherein the processor is configured to:\n define, using logical storage areas provided by the plurality of storage devices, a RAID group having one or more logical devices, \n manage, by assigning it to a pool, a logical device having a logical storage area allocatable to the virtual volume, \n allocate, in response to receiving a data write request from the host for a virtual page in the virtual volume, an unused logical storage area in the pool to the virtual page and perform a data write to the storage device having the allocated logical storage area, wherein the storage device is configured to: \n generate, in response to receiving a write request for the data from the processor with respect to the logical storage area, compressed data by compressing the data, \n store the compressed data in the physical area, and \n manage, in association with the logical storage area, the physical area in which the compressed data is stored; and \n wherein the processor is further configured to:\n increase, among the physical areas assigned to the pool, the amount of the physical area assigned to the pool when a physical usage amount that indicates the amount of the physical area associated with the logical storage area allocated to the virtual volume exceeds a predetermined threshold value, and \n increase, among the logical storage areas assigned to the pool, the amount of the logical storage area assigned to the pool when a logical usage amount that indicates the amount of the logical storage area allocated to the virtual volume exceeds a predetermined threshold value.

Metadata:
- Claim Count in Document: 10.0
- Percentile: 88.0
- Lexical Diversity: 2.50794
- Patent Class: 711.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14291031', '12594648', '13964185', '14458372', '12594226']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5630767201931882
- 35 USC 102 Novelty (BERT): 0.5021560939230781
- Combined Prediction Score: 0.5569846575661772
- Mean Citation Score: 292.85309600000005
- Max Citation Score: 300.97943
- Similarity Product: 259.1284893486464

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test