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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-0x0100004D DCPMM Warning (Memory, Minor Alarm)

ALM-0x0100004D DCPMM Warning (Memory, Minor Alarm)


Alarm message:

DCPMM (arg1 arg2) has a noncritical fault. error code: 0xarg3 (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 minor fault was detected on the DCPMM.

Alarm object: memory


Alarm ID Alarm Severity Auto Clear





Name Meaning


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.

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.


CPU socket number and DIMM silkscreen, for example, CPU1 DIMM020(A) or CPU2 DIMM110(B).


Error code of the alarm.


BOM code.

Impact on the System

The DCPMM will be damaged or cannot be used.

Possible Causes

  • The memory endurance is about to reach the limit.

  • The memory space is about to be used up.

  • A warning is returned in CAP self-check.


  1. Migrate data from the DCPMM to other storage media, and replace the DCPMM. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

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

Document ID: EDOC1000054724

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