Electrical computers and digital processing systems: multicomput – Computer network managing
Reexamination Certificate
2006-03-28
2006-03-28
Vaughn, Jr., William C. (Department: 2143)
Electrical computers and digital processing systems: multicomput
Computer network managing
Reexamination Certificate
active
07020695
ABSTRACT:
A quorumless network cluster provides a highly available system by addressing the partition-in-space and partition-in-time problems in network clusters.In a particular solution, a cluster manager (CM) can use disk based messaging to manage the operation of the cluster. Each node within the cluster must have access to a shared disk to operate within the cluster.A particular methodology can operate the cluster in a closed loop between nodes1to N. If a node fails to receive a heartbeat message from its predecessor in the loop, it initiates a cluster reconfiguration by sending a reconfiguration message to each other node in the cluster.The quorumless cluster can also include a common storage for a cluster definition. Each node may provide a proposed change to the cluster definition, however only a single coordinator node may update the cluster definition and apply the suggested changes.
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Cusson Michael J.
Frank Richard L.
Kundu Joydip
O'Shaughnessy Daniel E.
Hamilton Brook Smith & Reynolds P.C.
Oracle International Corporation
Vaughn, Jr. William C.
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