Installed Memory 32GB but shows only 16GB


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# 8  
Quote:
Originally Posted by filosophizer
2) Configured the deconfigured memory modules
I am glad that it worked out for you. Still, you should analyse how it came that the modules were deconfigured. There are only two reasons i can think of:

a) someone has done it
In this case there must have been some reason for it and you do yourself a big favour when you find out what that reason was. Otherwise it might come back to bite you.

b) the system has done it
This is entirely possible when some hardware problems related to this memory exist. This should have been noted in the logs you just cleaned. Yes, they are ridiculous to read and not very forthcoming but if there was (or maybe *is*) somehardware problem you sure want to know that. Better to have 16GB memory dactivated than to have a system crashing because some bit-stuck-type error.

I hope this helps.

bakunin
# 9  
Finding out failing memory DIMM

Finding out Failing Memory DIMM

Code:
# lscfg -vl mem0
  mem0               Memory
# lsattr -El mem0
ent_mem_cap         I/O memory entitlement in Kbytes           False
goodsize       4096 Amount of usable physical memory in Mbytes False
mem_exp_factor      Memory expansion factor                    False
size           4096 Total amount of physical memory in Mbytes  False
var_mem_weight      Variable memory capacity weight            False
#
#
# lsvpd -v | grep DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
*DS Memory DIMM
#

# lscfg -vp |grep "DIMM" | wc -l
      16


# # lscfg -vp | grep -e "Memory DIMM" -e "Size"
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
      Memory DIMM:
        Size........................2048
#


# errpt -aj BFE4C025
---------------------------------------------------------------------------
LABEL:          SCAN_ERROR_CHRP
IDENTIFIER:     BFE4C025

Date/Time:       Mon Oct  1 05:13:37 CDT 2018
Sequence Number: 556756
Machine Id:      00C7780E4C00
Node Id:         ibmvios
Class:           H
Type:            PERM
WPAR:            Global
Resource Name:   sysplanar0
Resource Class:  planar
Resource Type:   sysplanar_rspc
Location:

Description
UNDETERMINED ERROR

Failure Causes
UNDETERMINED

        Recommended Actions
        RUN SYSTEM DIAGNOSTICS.

Detail Data
PROBLEM DATA
0644..........

Diagnostic Analysis
Diagnostic Log sequence number: 11371
Resource tested:        sysplanar0
Resource Description:   System Planar
Location:
SRC:                    B123E500
Description:            Memory subsystem including external cache Predictive
                        Error, general. Refer to the system service
                        documentation for more information.
Additional Words:       2-030010F0 3-28EC0110 4-D1411068 5-400000FF
                        6-00811934 7-00000001 8-00A0008A 9-5604211A
Possible FRUs:
    Priority: M FRU: 53P3232  S/N: YH10MS58B208 CCIN: 30AA
    Location: U787B.001.DNW3313-P1-C8-C8

---------------------------------------------------------------------------
LABEL:          SCAN_ERROR_CHRP
IDENTIFIER:     BFE4C025

Date/Time:       Sun Sep 30 07:48:38 CDT 2018
Sequence Number: 556717
Machine Id:      00C7780E4C00
Node Id:         ibmvios
Class:           H
Type:            PERM
WPAR:            Global
Resource Name:   sysplanar0
Resource Class:  planar
Resource Type:   sysplanar_rspc
Location:

Description
UNDETERMINED ERROR

Failure Causes
UNDETERMINED

        Recommended Actions
        RUN SYSTEM DIAGNOSTICS.

Detail Data
PROBLEM DATA
0644 ...... C8FF 0000

Diagnostic Analysis
Diagnostic Log sequence number: 11292
Resource tested:        sysplanar0
Resource Description:   System Planar
Location:
SRC:                    B123E500
Description:            Memory subsystem including external cache Predictive
                        Error, general. Refer to the system service
                        documentation for more information.
Additional Words:       2-030010F0 3-28EC0110 4-D1411068 5-400000FF
                        6-00811934 7-00000001 8-00A0008A 9-5604211A
Possible FRUs:
    Priority: M FRU: 53P3232  S/N: YH10MS58B208 CCIN: 30AA
    Location: U787B.001.DNW3313-P1-C8-C8

---------------------------------------------------------------------------

# errpt -aj B123E500
# lscfg -pv | grep -p DIMM
      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C1
        Customer Card ID Number.....30AA
        Serial Number...............YL10253030X1
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C1

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C2
        Customer Card ID Number.....30AA
        Serial Number...............YH10MS58B200
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C2

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C3
        Customer Card ID Number.....30AA
        Serial Number...............YL1025311152
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C3

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C4
        Customer Card ID Number.....30AA
        Serial Number...............YH10MS58B1BB
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C4

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C5
        Customer Card ID Number.....30AA
        Serial Number...............YH10MS58B21B
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C5

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C6
        Customer Card ID Number.....30AA
        Serial Number...............YL1025311155
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C6

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C7
        Customer Card ID Number.....30AA
        Serial Number...............YL10253030X0
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C7

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C8-C8
        Customer Card ID Number.....30AA
        Serial Number...............YH10MS58B208
        Part Number.................53P3232
        FRU Number.................. 53P3232
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C8-C8

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C1
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309482
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C1

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C2
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309465
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C2

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C3
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309445
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C3

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C4
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309442
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C4

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C5
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309510
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C5

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C6
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309495
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C6

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C7
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309446
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C7

      Memory DIMM:
        Record Name.................VINI
        Flag Field..................XXMS
        Hardware Location Code......U787B.001.DNW3313-P1-C9-C8
        Customer Card ID Number.....30D5
        Serial Number...............YL1081309464
        Part Number.................00P5773
        FRU Number.................. 00P5773
        Size........................2048
        Version.....................RS6K
      Physical Location: U787B.001.DNW3313-P1-C9-C8

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