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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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MM: Power Capping Failed (Minor, Power shortage)

MM: Power Capping Failed (Minor, Power shortage)

Description

Alarm message:

Power capping failed.

This alarm is generated when a sensor detects that the power capping value of the compute node is lower than the power reference value.

This alarm is generated by the following sensors:

Power shortage

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0441FF12

Minor

Yes

Impact on the System

The Compute Node cannot operate properly.

Possible Causes

  • The number of Compute Node or other components increases.
  • The power consumption of other components increases.
  • The chassis houses the Compute Node CH242.

Procedure

  1. Run the smmget -l shelf -d powercappingenable command on the MM910 command-line interface (CLI) to check whether the power capping function is enabled for the chassis. If enabled is displayed in the command output, the power capping function is enabled.

    • If yes, go to 2.
    • If no, go to 9.

  2. Check whether a new Compute Node or another component (such as a Switch Module or fan module) is installed.

    • If yes, go to 8.
    • If no, go to 3.

  3. Run the smmget -d listpresent command on the MM910 CLI to query the installed compute nodes.

    bladeN indicates a compute node name. For example, if the following command output is displayed, compute nodes (blade 1 and blade 13) are installed.

    root@SMM:/# smmget -d listpresent 
    List Present Information: 
    system 
    shelf 
    smm 
    blade1 
    blade13 
    pem 
    fantray 
    swi1 
    swi2 
    swi4
    • If yes, go to 4.
    • If no, go to 9.

  4. Run the smmget -l bladeN -d powercapping command on the MM910 CLI to query the power capping value for each Compute Node (bladeN indicates a Compute Node name).

    If the following command output is displayed, the power capping value for the Compute Node 13 is 883 W

    root@SMM:/# smmget -l blade13 -d powercapping 
    blade power capping is:883 
    blade power capping is disable

  5. Run the smmget -l bladeN -d powerreference command on the MM910 CLI to query the power lower threshold for each Compute Node (bladeN indicates a Compute Node name).

    If the following command output is displayed, the power lower threshold for the Compute Node 13 is 66 W
    root@SMM:/# smmget -l blade13 -d powerreference 
    Min Power:66 Watts

  6. Check whether the power capping value of each Compute Node is less than the power lower threshold.

    • If yes, go to 7.
    • If no, go to 8.

  7. Run the smmset -l bladeN -d powercapping -v value command on the MM910 CLI to change each Compute Node's power capping value that is less than the power lower threshold. (bladeN indicates a Compute Node name and value indicates the power capping value for a Compute Node, which must be greater than the power lower threshold.) Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 8.

  8. Run the smmset -l shelf -d powercapping -v value command on the MM910 CLI to change the power capping value for the chassis. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 9.

  9. Run the smmget -l bladeN -t fru —d all command on the MM910 CLI to check whether the Compute Node CH242 exists.

    • If yes, go to 10.
    • If no, ggo to 11.

  10. Run the smmset -l shelf -d powercappingenable -v disable command on the MM910 CLI. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 11.

  11. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  12. Contact Huawei technical support.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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