Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual do Utilizador descarregar pdf (Página 5)

Clustering – “ buzzwords”

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Application Failover

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Detect service failures and failover to standby systems

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Load Balancing

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Distribute service load over multiple systems

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Common for network based systems

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Active/Passive

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Active node owns service, passive node is idle

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Failover requires “ hand-over” of resources to passive node

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Advantage: generally any application

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Active/Active

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Multiple nodes are owning the service

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Requires typically data sharing

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Application needs active/active-support

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Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual do Utilizador Página 5