Invention Grant
- Patent Title: Quorum establishment based on a vote from a voting device
- Patent Title (中): 以投票方式投票的法定人数
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Application No.: US11419118Application Date: 2006-05-18
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Publication No.: US07644305B2Publication Date: 2010-01-05
- Inventor: Kurt Lawrence Friedrich , David Allen Dion , Rajsekhar Das , Gregory I. Thiel
- Applicant: Kurt Lawrence Friedrich , David Allen Dion , Rajsekhar Das , Gregory I. Thiel
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Main IPC: G06F11/00
- IPC: G06F11/00

Abstract:
A cluster system including as few as two cluster nodes and a plurality of links, each one of the plurality of links coupling one of the cluster nodes to a voting device wherein a single surviving cluster node obtain a vote from the voting device. A method of establishing quorum in a cluster system including as few as two cluster nodes, the method comprising determining a single surviving cluster node of the as few as two cluster nodes, obtaining a vote from a voting device, and establishing quorum such that cluster operations are continued by the single surviving cluster node. A method for preventing a partition-in-time quorum establishment problem in a cluster system including as few as two cluster nodes, the method comprising determining that a revived cluster node is also a sole active cluster node of the cluster system, checking a last-surviving flag of the sole active cluster node, and if the last-surviving flag is set to FALSE, not restarting cluster operations.
Public/Granted literature
- US20070294363A1 Quorum Establishment Based On A Vote From A Voting Device Public/Granted day:2007-12-20
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