PowerScale OneFS: Cluster Composition, Quorum, and Group State

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  Overview
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  Audience
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  Revisions
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  We value your feedback

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  Cluster composition, quorum, and group state

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  Cluster composition and group state
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  Minimum access level for capabilities per node state
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  GMP scalability
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  The isi_array_d daemon

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  Understanding and analyzing group membership
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  Identifying accelerator nodes
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  SmartFailed and down nodes
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  SmartFailed and down drives
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  Read-only nodes
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  NANON nodes
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  Dead nodes
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  Dead drives
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  SmartFailed and stalled drives
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  Reading group sequence numbers

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  Interpreting group changes

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  Constructing an event timeline
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  Interpreting group changes
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  OneFS 8.2.x enhancements
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  OneFS 9.1 enhancements

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  Group management considerations

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  Summary