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E9000 Server Compute Node and Switch Module iMana 200 Alarm Handling 01

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ALM-0x2302FFFF Watchdog Overflow, Power Down (Watchdog2)

ALM-0x2302FFFF Watchdog Overflow, Power Down (Watchdog2)

Description

Alarm message:

Watchdog overflow,power down

This alarm is generated when the watchdog times out during a phase (BIOS POST, OS Load, or SMS/OS displayed in the timer user field), and the timeout action is set to power down after the watchdog is enabled.

This alarm is generated by the following sensor: Watchdog2

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2302FFFF

Major

Yes

Impact on the System

The system powers off when the watchdog times out. Then services are interrupted, and unsaved data is lost.

Possible Causes

  • When the alarm is generated in the BIOS/POST phase, the hardware is faulty, or a fault occurs during basic input/output system (BIOS) startup.
  • When the alarm is generated in the OS Load phase, a fault occurs during operating system (OS) startup.
  • When the alarm is generated in the SMS/OS phase, a fault occurs in the OS.

Procedure

  1. Disable the watchdog and restart the server.
  2. Use the remote keyboard, video, and mouse (KVM) to check displayed information during system startup. Choose handling methods based on the phases in which the alarm is generated.

    1. If the alarm is generated in the BIOS/POST phase, log in to the iMana 200 CLI, and run the ipmcget -d port80 command to check information about the port 80.
    2. If the alarm is generated in the OS Load phase, use the remote KVM to view error messages in the OS for fault locating.
    3. If the alarm is generated in the SMS/OS phase, log in to the OS, and check whether faults occur in the software where the watchdog is enabled, or the software is hung.

  3. Contact Huawei technical support for help.
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Updated: 2018-08-16

Document ID: EDOC1100035007

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