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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: Switch or Passthrough Module Removed (Minor, N Presence)

MM: Switch or Passthrough Module Removed (Minor, N Presence)

Description

Alarm message:

Device removed

This alarm is generated when the switch or passthrough module removal alarm is enabled and one of these devices is removed.

This alarm is generated by the following sensors:

N Presence

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0840FF21

Minor

Yes

Parameters

Name

Meaning

N

Slot number of the switch or passthrough module. For example, 1E, 2X, 3X, and 4E.

Impact on the System

Removal of a switch or passthrough module may cause network disconnection.

Possible Causes

The switch or passthrough module is removed or poorly connected with the chassis backplane.

Procedure

  1. Check whether the switch or passthrough module for which an alarm is generated is removed.

    • If yes, go to 2.
    • If no, go to 3.

  2. Insert the switch or passthrough module. Then check whether the alarm is cleared.

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

  3. Remove and re-insert the switch or passthrough module. Then check whether the alarm is cleared.

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

  4. Replace the switch or passthrough module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 5.

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

Document ID: EDOC1000015902

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