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kvm : Add note on Power Management Profile #245

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nvazquez merged 1 commit into from
Sep 28, 2021
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kvm : Add note on Power Management Profile #245

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8 changes: 8 additions & 0 deletions source/installguide/hypervisor/kvm.rst
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Expand Up @@ -85,6 +85,14 @@ host to work with CloudStack.
It is NOT recommended to run services on this host not controlled by
CloudStack.

.. warning::
Certain servers such as Dell provide the option to choose the Power Management Profile.
The Active Power Controller enables Dell System DBPM (Demand Based Power Management)
which can restrict the visibility of the maximum CPU clock speed availble to the OS,
which in turn can lead to CloudStack fetching the incorrect CPU speed of the server.
To ensure that CloudStack can always fetch the maximum cpu speed on the server, ensure
that "OS Control" is set as the Power Management Profile.

The procedure for installing a KVM Hypervisor Host is:

#. Prepare the Operating System
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