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HP ProLiant Server - Virtual Machine Performance

Issue

Poor virtual machine application performance may be caused by processor power management settings.

Solution

Virtual machine application performance is poor when compared to another host. Applications run slower than expected. When they are moved to another host, performance improves.

Please refer to the following VMware article:

Click here to access the technical article Non-HPE site at: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1018206.

NOTE: The above-mentioned URL will take you to a non-HP Web site. HP does not control and is not responsible for information outside of the HP Web site.

Settings within the VMware ESX server:

  1. Power management within the OS:

    There are four Power Management policies available in ESXi 5.0 and ESX/ESXi 4.1:

    • High Performance

    • Balanced (Default)

    • Low Power

    • Custom

    Choose High Performance to disable power management. If there is only one policy (Not supported), then the hardware either does not support power management, or its BIOS settings are configured to disallow OS-controlled power management.

  2. Power management via BIOS:

    Review the Power Regulator Modes in the BIOS settings. The following options are available:

    • HP Static High Performance mode

    • HP Static Low Power mode

    • HP Dynamic Power Savings mode

    • OS Control mode

Choose HP Static High Performance mode to disable power management. If OS Control mode is selected, refer above for disabling power management within the OS. Set the following in the ILO2.

Legal Disclaimer: Products sold prior to the November 1, 2015 separation of Hewlett-Packard Company into Hewlett Packard Enterprise Company and HP Inc. may have older product names and model numbers that differ from current models.

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Document title: HP ProLiant Server - Virtual Machine Performance
Document ID: emr_na-c03031625-2
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