PATENT CLAIM ANALYSIS

Application Number: 15964977
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2019-10
Patent Classification: ["711", "162000"]

Abstract:
A system and method are presented that reduce the use of snapshot space. One embodiment of the present invention only performs snapshot copies for blocks on the source volume that have not yet been backed up. Another embodiment stores the data in the snapshot space in multiple files, and then deletes those files that contain data whose corresponding blocks have been backed up. A third embodiment stores the data in the snapshot space directly onto a dedicated device and then reuses the data blocks for data already backed up when the dedicated device is full.

Claim (Index 10):
A method for performing copy-on-write snapshot management during a block-level backup of a source volume comprising:\n a) establishing a snapshot of data found on the source volume; b) sequentially performing the block-level backup of the snapshot of the source volume while maintaining a backup offset location identifying a location in the snapshot currently being backed up; c) copying a plurality of source data blocks on the source volume to a plurality of snapshot data files in a snapshot space maintained by a file system, wherein a particular snapshot data file is selected to receive a particular source data block by using a known assignment criteria on a source offset for the particular source data block; and d) during the block-level backup, periodically deleting snapshot data files in the snapshot space by analyzing the backup offset location against the known assignment criteria, wherein the deleted snapshot data files contain only data from the source volume that has already been backed up by the block-level backup.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 91.0
- Lexical Diversity: 1.78571
- Patent Class: 711.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11382851', '10925928', '10624858', '11960488', '12877186']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5363281496981386
- 35 USC 102 Novelty (BERT): 0.4896048861019693
- Combined Prediction Score: 0.5316558233385217
- Mean Citation Score: 236.509402
- Max Citation Score: 246.79933
- Similarity Product: 192.0213815560627

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