Home > VMware > ESXi and vCenter Host hardware power status alarm

ESXi and vCenter Host hardware power status alarm

During an upgrade of a Cluster to vSphere 4.1 I have noticed the “Host hardware power status” alarm was not being triggered but the Hardware Status showed the sensor is was alerted. I was having this issue with Dell PowerEdge R710 and ESXi 4.1hosts and found this support article:

http://kb.vmware.com/selfservice/documentLinkInt.do?micrositeID=null&externalID=1010286

This is different Hardware and a different version of ESX than the kb artical but the issue is identical.
I resolved this issue by modifying the default alarm, adding new trigger conditions and using the trigger ‘objectName’ Starts with “Power”. I created warning, alert and normal triggers but left the default triggers alone. Once I did this and restored the power and waited 5 mins then triggering the power loss the alarm works.

I assume the default alarm trigger using the argument ‘group’ start with ‘power’ is not working correclty but the trigger ‘objectname’ does. This means it’s possible for other Hardware sensors starting with power to be trigger this alarm but currently there are no such sensors.

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