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vSAN Health Check - vMotion ping failures (2151311)

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Symptoms

  • You see vMotion network connectivity test (Cluster > Monitor > vSAN > Health > Network) reports ping failures.
  • The check fails for vmknics using the vMotion network stack.

Resolution

This is a known issue affecting vSAN 6.6.

This issue is resolved in vSphere 6.5 Update 1, available at VMware Downloads.

To work around this issue, use one of these options:

  • Configure the vmknic to use the default network stack.

    or

  • Disable the vMotion ping check by running the RVC command:

    vsan.health.silent_health_check_configure -i /localhost/"Datacenter name"/computers/"Cluster"

    Note: Disable the following:

    44: vMotion: Basic (unicast) connectivity check
    45: vMotion: MTU check (ping with large packet size)

Tags

vSAN Health Check, vMotion ping failures

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