Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual do Utilizador descarregar pdf (Página 4)

Clustering - motivation

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Reduce TCO by:

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Consolidate services to fewer systems

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Simplify management tasks

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Increase service uptime

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Approaches:

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Scale-up: few very powerful systems running multiple services

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Scale-out: many small systems collaborate on several services

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Requirements:

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Data sharing

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Monitoring infrastructure

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Service management layer

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