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TheBobkin
Champion
Champion

Possibly unrelated but maybe worth checking (as without detailed packet analysis I would not make any assumptions)

- Is RX and TX Flow Control disabled as per best practice?

p7-8 of:

http://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/whitepaper/products/vsan/vmware-vir...

Check if is enabled using:

# ethtool -a vmnic<#OfNic(s)InUseForVsanTrafficHere>

Set to off:

# ethtool --pause VMNic_Name tx off rx off

More info:

https://kb.vmware.com/kb/1013413

(checked and set on every host in the vSAN cluster of course)

Bob

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