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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x01000027 Memory Initialization Error (Memory, Critical Alarm)

ALM-0x01000027 Memory Initialization Error (Memory, Critical Alarm)

Description

Alarm message:

[Memory board arg1] arg2 memory initialization error. Error code: arg3 (BN: arg4).

From iBMC V316, the CPU and disk alarms will also include the SN and BOM code and the mainboard and memory alarms will also include the BOM code.

This alarm is generated when a DIMM initialization error is detected during the server startup process.

If this alarm is generated, the server stops using the DIMM and the other DIMMs in the same channel. For details about the DIMM positions, see the server user guide.

Alarm object: memory

Attribute

Alarm ID Alarm Severity Auto Clear

0x01000027

Critical

Yes

Parameters

Name Meaning

arg1

Slot number of the memory board.

arg2

  • DIMM silkscreen, for example, DIMM020(A) or DIMM010(B)
  • CPU socket number and channel number. For example, in a 2488 V5 server, CPU 1 channel 2 indicates the number 2 memory channel of CPU 1, that is, DIMMs DIMM020 and DIMM021.
    NOTE:

    The number of DIMMs corresponding to a memory channel varies depending on the server model.

You can obtain the CPU socket number and channel number corresponding to a DIMM from the server user guide. For example, if you use a 2488 V5 server, see Components > DIMM Slot Locations in the 2488 V5 Server V100R005 User Guide.

arg3

Error code of the alarm.

arg4

BOM code.

Impact on the System

The OS cannot start.

Possible Causes

  • The DIMMs installed are not compatible with the CPU.
  • The DIMM layout does not comply with the configuration rules.

Procedure

    If the alarm description contains the silkscreen of the faulty DIMM:

    1. Check whether the DIMM slot has foreign objects or dirt.

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

    2. Clean the DIMM slot, reinstall the DIMM, and power on the server. Then, check whether the alarm is cleared.

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

    3. Replace the DIMM for which the alarm is generated, power on the server, and check whether the alarm is cleared.

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

    4. Replace the mainboard or memory board that holds the DIMM, power on the server, and check whether the alarm is cleared.

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

    5. Contact Huawei technical support.

    If the alarm description does not contain the silkscreen of the faulty DIMM but contains only the channel number:

    1. Replace the mainboard or memory board that holds the DIMM, power on the server, and check whether the alarm is cleared.

      • If yes, no further action is required.
      • If no, go to 7.

    2. Contact Huawei technical support.
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Updated: 2019-11-19

Document ID: EDOC1000054724

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