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US 11,899,932 B2Granted
Storage system having cross node data redundancy and method and computer readable medium for same
AssigneeNEC Corporation
InventorsWing-Yee Au, Alan Rowe
Life of this patent
Estimating the term…
Abstract
Embodiments of the present invention generally provide for multi-dimensional disk arrays and methods for managing same and can be used in video surveillance systems for the management of real-time video data, image data, or combinations thereof.
Claims20
A method, comprising:
- forming a second level disk array based on a plurality of disk drives of a node;
- restoring data using the second level disk array responsive to failure of the node receiving an indication of unavailability of a particular disk of the second level disk array;
- and
- rebuilding only portions of a disk array corresponding to certain bits of a bitmap corresponding to locations of the particular disk.
1 more element
A non-transitory computer readable medium comprising instructions that when read by a processor perform:
- forming a second level disk array based on a plurality of disk drives of a node;
- restoring data using the second level disk array responsive to failure of the node receiving an indication of unavailability of a particular disk of the second level disk array;
- and
- rebuilding only portions of a disk array corresponding to certain bits of a bitmap corresponding to locations of the particular disk.
1 more element
Dependencies are inferred from the claim text.