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Knowledge Base

False alarms triggered from IPMI sensors running on VMware ESXi 6.5 and VMware ESXi 6.7 (76611)

Last Updated: 2/27/2024Categories: Known IssueTotal Views: 16857Language:
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Symptoms

False alarms are triggered from IPMI sensors running on ESXi 6.5 and ESXi 6.7.

In ESXi  var/log/hostd.log you will see similar entries to below

2019-09-20T02:02:28.574Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.1.0: type=string, value=Power Module (DC-to-DC) 2 17-VR P2: - Lower Critical
2019-09-20T02:02:28.574Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.2.0: type=dateTimeTC, value=20190920020227.547090+000
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.3.0: type=dateTimeTC, value=20190920020227.547065+000
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.4.0: type=int32, value=6
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.5.0: type=int32, value=5
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.6.0: type=string, value=OMC_UnitaryComputerSystem
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.7.0: type=string, value=root/cimv2:OMC_NumericSensor.DeviceID="11.0.32.99",CreationClassName="OMC_NumericSensor",SystemName="3031384e-2d30-504a-4e39-31313430444d",SystemCreationClassName="OMC_UnitaryComputerSystem"
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.8.0: type=int32, value=2
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.9.0: type=string, value=3031384e-2d30-504a-4e39-31313430444d
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] ConvertVarbinds: convert id=1.3.6.1.4.1.6876.4.30.10.0: type=string, value=RawIpmiProvider
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] GenEvent: sending trap (generic=6 specific=307 ent_sz=9) with id: 1.3.6.1.4.1.6876.4.1., vbs: 10
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] WriteV1Trap: generic 6 specific 307
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] WriteV1Trap: serialized 10 varbinds
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] WriteV1Trap: wrote 707 bytes
2019-09-20T02:02:28.575Z info hostd[E285B70] [Originator@6876 sub=Snmpsvc] NotifyAgent: write(36, /var/run/snmp.ctl, N) 1 bytes to snmpd

Note:The preceding log excerpts are only examples.Date,time and environmental variables may vary depending on your environment.

Purpose

To stop the false alarms from IPMI sensors.

Cause

A race condition when using variables that held the IPMI address.

Impact / Risks

The CIM (Common Information Model) agent is the process which provides hardware health information. Disabling this service will stop cimsvc plugin from polling ipmi and reporting hardware health information.

Resolution

This is a known issue in  VMware vSphere  ESXi 6.5. Currently there is no resolution.
This issue is resolved in VMware vSphere  ESXi 6.7 Patch release ESXi670-202004002. To download go to the Customer Connect Patch Downloads page

Workaround

Apply any of the below workaround
1.Disable the CIM agent on an ESXi 6.5 and 6.7 host.

Run this command:
esxcli system wbem set --enable false

To re-enable the CIM agent on the ESXi host, run this command:
esxcli system wbem set --enable true

For more information see KB :How to disable or enable the CIM agent on the ESX/ESXi host

2.   /etc/init.d/hostd stop

edit the /etc/vmware/hostd/config.xml

<cimsvc>

<path>libcimsvc.so</path>

<enabled>true</enabled>

</cimsvc>

to <enabled>false</enabled>

/etc/init.d/hostd start

Detectable by VMware SkylineTM

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Attachments

Additional Resources

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

KB
•
Qlogic Driver を使用した ESXi 6.7 U2 での再起動時にスクラッチ パーティションの設定が保存されない (76503)

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