HP Serviceguard manual Summary

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Arbitration for Data Integrity in Serviceguard Clusters

Summary

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Contents Arbitration For Data Integrity Serviceguard Clusters Manufacturing Part Number B3936-90078 JulyLegal Notices Arbitration for Data Integrity in Serviceguard Clusters Cluster Membership Concepts MembershipCluster Membership Concepts Quorum Split-BrainTie-Breaking Multiple Heartbeat Failures To Arbitrate or Not to ArbitrateNo Arbitration-Multiple Paths No Arbitration-Multiple Media Single Node FailureMultiple Paths with Different Media Additional Multiple Paths with Different MediaNo Arbitration-Risks Startup and Re-Formation How Serviceguard Uses ArbitrationCluster Startup Cluster Lock Dynamic Cluster Re-FormationCluster Quorum and Cluster Locking No Cluster Lock Lock Requirements Use of a Lock Disk as the Cluster Lock Lock Disk OperationSingle Cluster Lock Dual Cluster LockUse of a Lock LUN as the Cluster Lock Oot Irror Lock LUN OperationUse of a Quorum Server as the Cluster Lock Quorum Server OperationSetting up the Quorum Server Running the Quorum ServerSpecifying a Quorum Server Quorum Server Status and StateViewing Quorum Server Status and State Viewing Quorum Server System DataUse of Arbitrator Nodes Use of Arbitrator NodeMetropolitan Clusters Arbitration in Disaster-Tolerant ClustersExtended Distance Clusters Arbitrator Nodes Quorum ServerContinental Clusters Use of Dual Lock Disks in Extended Distance ClustersDisk area is not mirrored Arbitration for Data Integrity in Serviceguard Clusters Comparison of Different Arbitration Methods Arbitration Advantages Disadvantages ModeSummary Arbitration for Data Integrity in Serviceguard Clusters Summary
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