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virtualization:xenserver:xenserver_pwr_mgmt

This is an old revision of the document!


Citrix XenServer and Power Management

http://www.ingmarverheij.com/damn-you-c-states-unexpected-xenserver-reboot/

http://support.citrix.com/article/CTX127395

:!: Disable all power management in the BIOS.

  • AMD Power Now
  • Intel SpeedStep

:!: Disable all C-states, including C1E.

Get Power Managemment Status

A result above 2 indicates you need to disable power management in the BIOS:

xenpm get-cpuidle-states | grep total | uniq

BIOS Settings

  • Advanced → CPU Configuration → Enhanced Intel SpeedStep Technology
  • Advanced → CPU Configuration → Turbo Mode
  • Advanced → CPU Configuration → CPU C1E
  • Advanced → CPU Configuration → CPU C3 Report
  • Advanced → CPU Configuration → CPU C6 Report
virtualization/xenserver/xenserver_pwr_mgmt.1418049794.txt.gz · Last modified: 2014/12/08 07:43 by gcooper