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vf_vmnic linkstate alerts after vMotion

We upgraded our UCS infrastructure from 2.1 (1f) -> 2.1 (3c). Ever since we've started receiving linkstate down/up alerts from vCenter whenever a VM is vMotion'ed. We're not doing high performance / DirectPath I/O.

I understand with the nature of dynamic vNIC's, these linkstate changes are normal with a vMotion. What I don't understand is why we only started receiving alerts after the upgrade. I've had a case open with Cisco TAC for more than 2 months, they can't reproduce the behavior - though their test environment is running 2.2 and they don't want to downgrade.

Does anyone know how to suppress these messages? Either from the UCS or ESXi side of things? We get a couple dozen emails each day due to this from vCOPS, and unfortunately vCOPS notifications aren't flexible enough to weed them out. I've been told vCOPS v6 contains a complete retooling of the notification system, but the beta isn't due until the end of the year.

Thanks,

Reece

VMware ESXi 5.1u1

vem status -v

Package vssnet-esxmn-next-release
Version 5.1-1.1.1.1
Build 1
Date Mon Sep 24 11:51:42 PDT 2012

Number of PassThru NICs are 48
VEM modules are loaded

DVS Name         Num Ports   Used Ports  Configured Ports  MTU     Uplinks
VM-FEX           256         73          256               1500    vmnic12,vmnic10
DVS Name         Num Ports   Used Ports  Configured Ports  MTU     Uplinks
Management       256         7           256               1500    vmnic1,vmnic0
DVS Name         Num Ports   Used Ports  Configured Ports  MTU     Uplinks
NAS              256         6           256               9000    vmnic4,vmnic2
DVS Name         Num Ports   Used Ports  Configured Ports  MTU     Uplinks
vMotion          256         6           256               9000    vmnic8,vmnic6

Number of PassThru NICs are 48
VEM Agent (vemdpa) is running

hostd.log:2014-08-07T15:13:31.002Z [45C82B90 info 'Vimsvc.ha-eventmgr'] Event 38445 : Physical NIC vf_vmnic7 linkstate is down.

vmkernel.log:2014-08-07T15:13:30.047Z cpu14:8243)<6>enic 0000:17:00.0: vf_vmnic7: Link DOWN
vmkernel.log:2014-08-07T15:13:30.502Z cpu11:8714)hardPts: hard_niv_port_update:4912: Unclaimed VF<vf_vmnic7/0x2000008/Idx:8>
vmkernel.log:2014-08-07T15:13:30.502Z cpu11:8714)hardPts: hard_niv_process_link_event_vf:916: Got a Link DOWN on VF vf_vmnic7 in state: Connected Unclaimed, Ignoring

vobd.log:2014-08-07T15:13:30.503Z: [netCorrelator] 6561411644570us: [vob.net.vmnic.linkstate.down] vmnic vf_vmnic7 linkstate down
vobd.log:2014-08-07T15:13:31.000Z: [netCorrelator] 6561695768710us: [esx.problem.net.vmnic.linkstate.down] Physical NIC vf_vmnic7 linkstate is down

 

 

 

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