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VSAN-Troubleshooting-Reference-Manual

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Diagnostics and <strong>Troubleshooting</strong> <strong>Reference</strong> <strong>Manual</strong> – Virtual SAN<br />

vmknic throughput<br />

This graph looks at the VMkernel adapter used by <strong>VSAN</strong>, with some good metrics for<br />

troubleshooting and performance monitoring.<br />

<br />

<br />

<br />

<br />

TxMBps – Amount of MB transmitted via the Virtual SAN VMkernel adapter<br />

by this host in MB per second.<br />

RxMbps - Amount of MB received via the Virtual SAN VMkernel adapter by<br />

this host in MB per second.<br />

TxKpps – Number of packets per second transmitted via the Virtual SAN<br />

VMkernel adapter by this host, measured in the 1,000s.<br />

RxKpps – Number of packets per second received via the Virtual SAN<br />

VMkernel adapter by this host, measured in the 1,000s.<br />

vmknic errors<br />

This graph looks at the VMkernel adapter used by <strong>VSAN</strong>, and shows various metrics<br />

related to errors:<br />

<br />

<br />

<br />

<br />

Rexmits – Number of retransmits via the Virtual SAN VMkernel adapter<br />

DupAckRx – Number of duplicate acknowledgements received on the Virtual<br />

SAN VMkernel adapter<br />

DupDataRx- Number of times duplicate data was received on the Virtual<br />

SAN VMkernel adapter<br />

OutOfOrderRx- Number of times out of order frames were received on the<br />

Virtual SAN VMkernel adapter<br />

Pnic Tput<br />

This is looking at the physical adapters (NICs) on the hosts:<br />

<br />

<br />

<br />

<br />

vmnic-TxMBps – Amount of MB transmitted via this physical network<br />

adapter by this host in MB per second.<br />

vmnic-RxMbps - Amount of MB received via this physical network adapter<br />

by this host in MB per second.<br />

vmnic-TxKpps – Number of packets per second transmitted via this physical<br />

network adapter by this host, measured in the 1,000s.<br />

vmnic-RxKpps – Number of packets per second received via this physical<br />

network adapter by this host, measured in the 1,000s.<br />

Pnic Errors<br />

Displays any errors on the physical adapter:<br />

<br />

<br />

vmnic-TxErrs – Physical NIC transmit errors<br />

vmnic-RxErrs – Physical NIC receive errors<br />

V M W A R E S T O R A G E B U D O C U M E N T A T I O N / 2 3 7

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