U.S. patents available from 1976 to present.
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System and method for data protection with multidimensional parity

Patent 6826711 Issued on November 30, 2004. Estimated Expiration Date: Icon_subject February 13, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventors

Assignee

Application

No. 09782613 filed on 02/13/2001

US Classes:

714/6, Redundant stored data accessed (e.g., duplicated data, error correction coded data, or other parity-type data)711/114Arrayed (e.g., RAIDs)

Examiners

Primary: Baderman, Scott

Attorney, Agent or Firm

Foreign Patent References

  • 4062-2813 JP 07/01/1994

International Classes

G06F 1100
G06F 306

Abstract

A high availability, high reliability storage system that leverages rapid advances in commodity computing devices and the robust nature of internetwork technology such as the Internet. A system of parity distribution in accordance with the present invention allows for greater fault tolerance and levels of storage efficiency than possible with conventional RAID (levels 0-5) paradigms. Data can be recovered or made available even in the case of loss of N, N+1, or more devices or storage elements over which stripes of the data set have been distributed or partitioned. The present invention provides a parity distribution that can be used to distribute data stored in a single storage device or across multiple connected or otherwise networked devices.

Other References

  • Tridgell, Andrew, Efficient Algorithms for Sorting and Synchronization, Apr. 2000, pp. i-viii, pp. 1-106.
  • Tewari, Renu et al., High Availability in Clustered Multimedia Servers, 1996, IEEE, pp. 645-654.
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