Identifying at-risk components in systems with redundant components

Patent 6081812 Issued on June 27, 2000. Estimated Expiration Date:

February 6, 2018. 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.

Abstract Claims Description Full Text

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Inventors

Assignee

NCR Corporation

Application

No. 020026 filed on 02/06/1998

US Classes:

707/202, Recoverability707/102, Generating database or data structure (e.g., via user interface)707/206Garbage collection

Examiners

Primary: Amsbury, Wayne

Attorney, Agent or Firm

Gates & Cooper

Foreign Patent References

WO 92/05485 WO. 04/13/1992
WO 92/14207 WO. 08/13/1992

International Class

G06F 017/30

Abstract

A method and apparatus for identifying at-risk data in systems with redundant components is described. The method comprises the steps of representing the system by a plurality of nodes representing components and a plurality of paths representing communication paths among the components, each node having a path count representing the number of paths leading into the node, decrementing the path count for each node by one, for each failure of a path leading to the node, decrementing the path count for each node by one, for every path leading from each node having a zero path count, decrementing the path count for each node by one, for every path leading from a failed node, and presenting a graphical depiction of the nodes and the paths to a user.