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CPU Throttle Warnings on Dell™ PowerEdge™ 10G Blade Servers During CMC Reset - Product Support Quick Note (PSQN) - 348796




Summary: CPU Throttle Warnings on a PowerEdge 10G Blade Servers During CMC Reset

Article Summary: This article provides information about CPU throttle warnings that occur on PowerEdge 10G blade servers during CMC reset.





OMSA May Report That Processors in a Blade Have Been Throttled Down in Speed


Dell OpenManage Server Administrator (OMSA) may report log entries that the processors in a blade have been throttled down in speed. After a few minutes, the status returns to normal.
This issue occurs when the Chassis Management Controller (CMC) of the MD1000e enclosure has been reset manually or reset during a firmware upgrade. CPU throttling events in the blade's hardware log are not seen.





Do Not Replace Any Hardware

Do not replace any hardware.




OMSA Will Refine Reporting Behavior to Match the iDRAC


When the CMC is reset and can no longer monitor various chassis sensors like temperatures and fans, it spins the chassis fans and slows down the CPU of all blades. This is done to prevent any possible system damage until the CMC is functional.
OMSA will refine reporting behavior of this event to match the Integrated Dell™ Remote Access Controller (iDRAC).





The system is working as designed.


Do not replace hardware at this time. The system is working as designed.

NOTE: in some cases, performing a virtual reseat of the blade via the CMC may resolve the issue.




 
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Article ID: SLN28495

Last Date Modified: 10/12/2010 12:00 AM


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