HP Integrated Lights-Out 3 (iLO 3) – ESXi VM’s Showing 100% CPU Usage While Host CPU is Low
If you have read HP or VMware documents about power management on ProLiant servers, both have suggested that configure power management to Static High Performance. I did it on all my ESXi servers and everything was good.
But I have performance problem on some of G7 servers, I have checked all factors but I couldn’t find any reason about it.
Then I found an article from HP about power management in ESXi and iLO3 (G7 servers).
Seems, Static High Performance is root cause of performance issue on the servers with iLO3. This is related to power capping problem on iLO3.
Based on the article suggestion, you should configure power management to OS control on the servers to preventing high CPU ready on virtual machines.
You can see the instruction on the below link: