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Huawei Rack Server iBMC Alarm Handling 27

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x01000017 Memory MCE Error (Memory, Critical Alarm)

ALM-0x01000017 Memory MCE Error (Memory, Critical Alarm)

Description

Alarm message:

[Memory board arg1] arg2 triggered an uncorrectable error, arg3 (SN: arg4, PN: arg5).
NOTE:

From iBMC V316, the CPU and disk alarms will also include the SN and part umber and the mainboard and memory alarms will also include the part number.

This alarm is generated when an uncorrectable error occurred on a DIMM.

Alarm object: memory

Attribute

Alarm ID Alarm Severity Auto Clear
0x01000017 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

Memory serial number.

arg5

Part number.

Impact on the System

The DIMM cannot be used, which affects server performance.

Possible Causes

  • The DIMM is faulty.
  • The memory board is faulty.

Procedure

  1. Remove and reinstall the DIMM. Then, check whether the alarm is cleared.

    • Yes, no further action is required.

    • If no, go to 2.

  2. Switch the DIMM with a functioning DIMM in the same chassis. Then, check whether the alarm is still generated for this DIMM.

    • If yes, go to 3.

    • If no, go to 4.

  3. Replace the DIMM. Then, 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. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Contact Huawei technical support.
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Updated: 2019-02-28

Document ID: EDOC1000054724

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