NMP_

NMP stands for Native Multipathing.

The NMP is an extensible module that manages subplugins.

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– Manages physical path claiming and unclaiming.
– Registers and de-registers logical devices.
– Associates physical paths with logical devices.
– Processes I/O requests to logical devices:
– Selects an optimal physical path for the request (load balance)
– Performs actions necessary to handle failures and request retries.
– Supports management tasks such as abort or reset of logical devices.

NMP warnings/errors are reported in ESXi logs:

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The NMP_ dashboard comes in to help you visualize those events:

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dashboard-nmp

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 This dashboard is embedded in SexiLog. If you want up-to-date version for your own platform, the Gist code for this dashboard is:  https://gist.github.com/sexibytes/7b2b8ba36a6b9d4acf21
More information about dashboard import in Kibana is available here

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