U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Redundant storage for multiple processors in a ring network

Patent 6862609 Issued on March 1, 2005. Estimated Expiration Date: Icon_subject March 7, 2022. 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.

Patent References

Raid-5 parity generation and data reconstruction
Patent #: 5805788
Issued on: 09/08/1998
Inventor: Johnson

Raid system using I/O buffer segment to temporary store striped and parity data and connecting all disk drives via a single time multiplexed network
Patent #: 5862313
Issued on: 01/19/1999
Inventor: Johnson, et al.

System and method to reduce a computer system's interrupt processing overhead
Patent #: 6185639
Issued on: 02/06/2001
Inventor: Kailash, et al.

Apparatus and method for computer host system and adaptor interrupt reduction including clustered command completion
Patent #: 6219727
Issued on: 04/17/2001
Inventor: Kailash, et al.

Method and apparatus for managing clustered computer systems
Patent #: 6393485
Issued on: 05/21/2002
Inventor: Chao, et al.

Apparatus system and method for N-way RAID controller having improved performance and fault tolerance Patent #: 6601138
Issued on: 07/29/2003
Inventor: Otterness, et al.

Inventor

Assignee

Application

No. 10092707 filed on 03/07/2002

US Classes:

709/214, Plural shared memories714/6, Redundant stored data accessed (e.g., duplicated data, error correction coded data, or other parity-type data)714/5, Of memory or peripheral subsystem709/251, RING COMPUTER NETWORKING709/216, Accessing another computer's memory709/250, NETWORK-TO-COMPUTER INTERFACING711/148, Plural shared memories718/105Load balancing

Examiners

Primary: Peikari, B. James

Attorney, Agent or Firm

International Classes

G06F011/14
G06F011/10
G06F012/16

Abstract

A dual-axis RAID system includes a plurality of X-axis ordinal series of disks, configured to store parity data and a tape drive, and a Y-axis ordinal series of parity disks. The Y-axis series is smaller than the X-axis series, because the X-axis series contains an extra disk configured as a segment journal disk. The RAID system communicates with clients on a network a network via an SCI network interface.

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