Summary | HP Serviceguard specification

Arbitration for Data Integrity in Serviceguard Clusters

Summary

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HP Serviceguard manual Summary

Contents

Arbitration For Data Integrity Serviceguard Clusters Manufacturing Part Number B3936-90078 July Legal Notices Arbitration for Data Integrity in Serviceguard Clusters Cluster Membership Concepts Membership Cluster Membership Concepts Quorum Split-Brain Tie-Breaking Multiple Heartbeat Failures To Arbitrate or Not to ArbitrateNo Arbitration-Multiple Paths No Arbitration-Multiple Media Single Node Failure Multiple Paths with Different Media Additional Multiple Paths with Different Media No 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 Operation Single Cluster Lock Dual Cluster Lock Use of a Lock LUN as the Cluster Lock Oot Irror Lock LUN Operation Use of a Quorum Server as the Cluster Lock Quorum Server Operation Setting up the Quorum Server Running the Quorum Server Specifying a Quorum Server Quorum Server Status and State Viewing Quorum Server Status and State Viewing Quorum Server System Data Use of Arbitrator Nodes Use of Arbitrator Node Metropolitan Clusters Arbitration in Disaster-Tolerant ClustersExtended Distance Clusters Arbitrator Nodes Quorum Server Continental Clusters Use of Dual Lock Disks in Extended Distance Clusters Disk 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