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MM910 Management Module V100R001 User Guide 24

This document provides the product description, installation and configuration methods, and common operations of the E9000 server chassis management module MM910.
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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).
Fan Management

Fan Management

Fan Meter

GUI

Function

On the Fan Meter page, you can view the status and speed of each fan (fans 1 to 14).

For details about the physical locations of components, see the labels on the chassis emulation panel on the Chassis page. Figure 7-26 shows an example.

Figure 7-26 Emulation panel

Figure 7-27 shows the fan speed zones, which are distinguished by colors.

  • Fan modules 1, 2, 3, 7, 8, and 9 form a zone and dissipate heat for compute nodes in slots 1, 2, 3, 4, 9, 10, 11, 12.
  • Fan modules 4, 5, 6, 10, 11, and 12 form a zone and dissipate heat for compute nodes in slots 5, 6, 7, 8, 13, 14, 15, and 16.
  • Fan modules 13 and 14 form a zone and dissipate heat for modules in slots 1MM, 2MM, 1E, 2X, 3X, and 4E.

Fan modules in the same zone run at the same speed. The fan speeds in the three zones are automatically adjusted so that their differences do not exceed 25%.

Figure 7-27 Fan module zones

Sudden changes in the fan module speeds may be caused by the following:

  • Certain fan modules in the zone are abnormal.
  • The management modules fail to obtain the air inlet sensor temperature.
  • The fan modules fail to communicate with the management modules.
  • The corresponding boards of the fan modules have temperature alarms.
  • The corresponding boards of the fan modules have components with high temperatures.
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Updated: 2019-04-10

Document ID: EDOC1000015900

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