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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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Swi: Fabric Plane Switch Chip EEPROM Fault (Major, PRR Main EEPN/PRR Backup EEPN)

Swi: Fabric Plane Switch Chip EEPROM Fault (Major, PRR Main EEPN/PRR Backup EEPN)


Alarm message:

Switch module fabric plane switch chip arg1 EEPROM arg2 is fault.

This alarm is generated with the electrically erasable programmable read-only memory (EEPROM) of the switch chip on the Fabric plane of the switch module is faulty.

This alarm is generated by the following sensors:

  • PRR Main EEPN
  • PRR Backup EEPN


Alarm ID

Alarm Severity

Auto Clear








Working state of the EEPROM, for example, main or backup.

arg2, N

Slot number of the EEPROM.

Impact on the System

Fabric plane services are affected.

Possible Causes

The I2C link is faulty or the EEPROM is damaged.


  1. Back up service data of the switch module and switch over services to the standby network.
  2. Reseat the switch module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

  3. Replace the switch module. Then, check whether the alarm is cleared.

    For details about how to replace the switch module, see the E9000 Server User Guide..

    • If yes, no further action is required.
    • If no, go to 4.

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

Document ID: EDOC1000015902

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