PATENT CLAIM ANALYSIS

Application Number: 15954720
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-10
Patent Classification: ["711", "100000"]

Abstract:
Embodiments of the present disclosure provide a method for establishing a multi-tier flash cache using spare drives. In some embodiments, there is provided a computer-implemented method, comprising: in response to receiving an I/O request, determining whether there is a free page in a main cache; in response to determining that there is no free page in the main cache, establishing a secondary cache by selecting at least one spare drive from spare drives; flushing data from a cold page in the main cache to the secondary cache, an access frequency of the cold page being lower than a predetermined threshold; and writing data related to the I/O request from a persistent storage device to the cold page.

Claim (Index 7):
The method of  claim 1 , further comprising:\n receiving a request for replacement of a failed disk in the storage pool; and in response to determining that there is no available spare drive in the storage pool for the replacement, releasing at least one disk in the secondary cache, the at least one disk having the same type as the failed disk to be replaced.

Metadata:
- Claim Count in Document: 12.0
- Percentile: 91.0
- Lexical Diversity: 1.93939
- Patent Class: 711.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15236171', '14746869', '15086390', '13225912', '14085195']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4948790950426706
- 35 USC 102 Novelty (BERT): 0.4785799584950306
- Combined Prediction Score: 0.4932491813879066
- Mean Citation Score: 158.86250800000005
- Max Citation Score: 168.85732
- Similarity Product: 116.83145626953124

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