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 Configuring OPS Clusters with MC/LockManager:

Chapter 2 Understanding MC/LockManager Hardware Configurations
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Table of Contents

Redundancy of Cluster Components
HP 9000 Systems
Redundant Network Components
Redundant Ethernet Configuration
Providing Redundant FDDI Connections
Using Dual Attach FDDI Stations
Fibre Channel Switched Configurations
Using a Serial (RS232) Heartbeat Line
Redundant Disk Storage
Supported Disk Interfaces
Data Protection using Disk Arrays
Monitoring of Disks with Event Monitoring Service
Replacement of Failed Disk Mechanisms
Root Disk Limitations on Shared Buses
Redundant Power Supplies
Larger Clusters
Up to Four Nodes with SCSI Storage
Up to Eight Nodes with EMC Disk Arrays

This chapter gives a broad overview of how the MC/LockManager hardware components work. The following topics are presented:

  • Redundancy of Cluster Components

  • Redundant Network Components

  • Redundant Disk Storage

  • Redundant Power Supplies

  • Larger Clusters



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Redundancy of Cluster Components  
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