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FusionServer Pro X6000 Server iBMC (V300 to V369) User Guide 09

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Energy Saving Settings

Energy Saving Settings

Function Description

The Energy Saving Settings page allows you to adjust the P-states (CPU operating frequency) and T-states (CPU duty cycle) to reduce power consumption.

Energy saving settings may affect system performance. Exercise caution when configuring energy saving settings.

Before adjusting the server power, ensure that the following parameters are set on the BIOS:

  • EIST Support or EIST is set to Enabled.
  • ACPI 3.0 T-States is set to Enabled for a V2 server on the Romley platform.
  • ACPI T-States is set to Enabled for a V3 server on the Brickland platform. (ACPI T-States is unavailable for a V3 server on the Grantley platform.)
  • Software Controlled T-States is set to Enabled and T-State Throttle Level to the default value Disabled for a V5 server on the Purley platform.

GUI

Choose Power from the main menu, and select Energy Saving Settings from the navigation tree.

The Energy Saving Settings page is displayed.

Figure 3-16 Energy Saving Settings page

Parameter Description

Table 3-36 Parameters in the Power Adjustment section

Parameter

Description

CPU Operating Frequency

Drag the slider bar to adjust the CPU operating frequency (P-states).

The number of P-states varies according to the CPU model. P0 is the maximum value. A larger P-state value indicates a lower CPU operating frequency, and thereby lower power consumption.

NOTE:
  • If the actual server power exceeds the power cap value after the P-state and T-state are adjusted, the P-state and T-state values will be automatically adjusted to the normal values.
  • Before setting this parameter, ensure that the OS has started. Otherwise, the setting cannot take effect.

CPU Duty Cycle

Drag the slider bar to adjust the CPU duty cycle (T-states).

The number of T-states varies according to the CPU model. T0 is the maximum value. A larger T-state value indicates a lower CPU duty cycle, and thereby lower power consumption.

NOTE:
  • If the actual server power exceeds the power cap value after the P-state and T-state are adjusted, the P-state and T-state values will be automatically adjusted to the normal values.
  • Before setting this parameter, ensure that the OS has started. Otherwise, the setting cannot take effect.
Table 3-37 Parameters in PSU settings

Parameter

Description

Hibernate

NOTICE:

After deep hibernation is enabled and the server is powered off, if all active PSUs are removed or stop outputting power due to faults, the entire server loses power for about 10 seconds and then the PSUs in deep hibernation mode automatically turn on to output power.

Specifies whether deep hibernation is enabled. If deep hibernation is enabled, certain PSUs enter the deep hibernation mode and stop outputting power when the server is powered off. When the server is powered on, the PSUs in deep hibernation mode continue to output power.

Click or , and click Save.

  • : enables deep hibernation. The setting takes effect when the OS is powered off.
  • : disables deep hibernation. The setting takes effect when the OS is powered off.
NOTE:
  • The X6000 V5 supports enabling or disabling the deep hibernation function from iBMC V310 or later.
  • If deep hibernation is enabled, the PSUs will be in hibernation after the OS is powered off.

Procedure

Configuring CPU Energy Saving Policy

  1. On the menu bar, choose Power.
  2. In the navigation tree, choose Energy Saving Settings.

    The Energy Saving Settings page is displayed.

  3. Drag the slider bar to adjust the CPU operating frequency or duty cycle.

    For details about the parameters, see Table 3-36.

    NOTE:
    • Drag one slider bar at a time.
    • Adjusting the maximum CPU operating frequency has greater impact on power consumption and smaller impact on system performance than adjusting the CPU duty cycle. Therefore, adjust the maximum CPU operating frequency first.
  4. Click Save.

    The following information is displayed:

    Are you sure you want to perform this operation?
  5. Click Yes.

    If "Operation Successful" is displayed, the setting is complete.

Setting the PSU Working Mode

  1. On the menu bar, choose Power.
  2. In the navigation tree, choose Energy Saving Settings.

    The Energy Saving Settings page is displayed.

  3. In the PSU Settings area, set the PSU work mode and deep hibernation function based on service requirements.

    For details about the parameters, see Table 3-37.

  4. Click Save.

    The following information is displayed:

    Are you sure you want to perform this operation?
  5. Click Save.

    If "Operation Successful" is displayed, the setting is complete.

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Updated: 2019-08-01

Document ID: EDOC1100019359

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