Avamar: 4. generasjons maskinvare: Minnefeil

Summary: Denne artikkelen gjennomgår minnefeil som er rapportert av Avamar Gen4T-noder.

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Symptoms

Mistenkte minneproblemer kan bekreftes av følgende:

 

Systemloggen (/var/log/messages) rapporterer følgende minnefeil: 

grep -i "mcelog.*error:" /var/log/messages
[log-messages:109]  ERROR: <0001> kernel error: Jan 17 13:27:08 test-ava-03 mcelog: Running trigger `socket-memory-error-trigger'
[log-messages:109]  ERROR: <0001> kernel error: Jan 17 13:27:40 test-ava-03 mcelog: Running trigger `page-error-trigger'
[log-messages:109]  ERROR: <0001> kernel error: Jan 17 13:31:53 test-ava-03 mcelog: SOCKET Fallback Socket memory error count 6474 exceeded threshold: 776460088 in 24h
...
[log-messages:109]  ERROR: <0001> kernel error: Jan 18 00:05:03 test-ava-03 mcelog: Corrected memory errors on page 6f58f8000 exceed threshold 10 in 24h: 10 in 24h
[log-messages:109]  <0007> kernel info: Jan 18 00:05:04 test-ava-03 kernel: [7199506.363919] mce_notify_irq: 6232 callbacks suppressed
[log-messages:109]  ERROR: <0001> kernel error: Jan 18 00:05:04 test-ava-03 kernel: [7199506.363925] [Hardware Error]: Machine check events logged
 

Informasjonen i ipmitool kommandoen rapporterer ikke feil på DIMM-bankene (fire DIMM-er som to banker):

ipmitool sdr entity 32 
DIMM_Bank0       | 30h | ok  | 32.0 | 23 degrees C
DIMM_Bank1       | 31h | ok  | 32.1 | 24 degrees C
DIMM_Bank2       | 32h | ns  | 32.2 | No Reading
DIMM_Bank3       | 33h | ns  | 32.3 | No Reading
 

Informasjonen i dmesg Utdataene viser tegn på ødelagt minne:

dmesg |grep -i "memory corruption" 
[7689715.473298] mce_notify_irq: 7109 callbacks suppressed
[7689715.473303] [Hardware Error]: Machine check events logged
[7689715.481284] [Hardware Error]: Machine check events logged
[7689723.508392] soft_offline: 0x812b4f: unknown non LRU page type 20000000000100
[7689723.514500] get_any_page: 0x4360d9: unknown zero refcount page type 20000000000000
[7689728.554720] MCE: Killing sudo:18667 due to hardware memory corruption fault at 7f732745a750
[7689728.559849] MCE: Killing sudo:18676 due to hardware memory corruption fault at 7feabc119750
[7689728.564050] MCE: Killing sudo:18678 due to hardware memory corruption fault at 7fe3f0b37750
 

Alle minnemoduler er online:

cat /sys/devices/system/memory/*/state |grep -v online
Merk: Denne kommandoen skal ikke returnere noen utdata.
 
 

Spørring mcelog De påfølgende dagene viser et økende antall korrigerte minnefeil:<

Dag 1:

mcelog --client
Memory errors
SOCKET 0 CHANNEL any DIMM any
corrected memory errors:
        9 total
        9 in 24h
uncorrected memory errors:
        0 total
        0 in 24h

Dag 2:

mcelog --client
Memory errors
SOCKET 0 CHANNEL any DIMM any
corrected memory errors:
        30 total
        21 in 24h
uncorrected memory errors:
        0 total
        0 in 24h
 

Spørre kontrolleren ved hjelp av arcconf Kommandoen kan rapportere en bussfeil:

arcconf getconfig 1 
Bus error

Cause

Dette indikerer en prediktiv feil på en DIMM.
 

Resolution

Kontakt DELL Technologies Avamar Support for å undersøke dette problemet ytterligere ved å opprette en serviceforespørsel. Referer til denne KB-en i SR
 

Affected Products

Avamar

Products

Avamar, Avamar Data Store Gen4T, Avamar Server
Article Properties
Article Number: 000063609
Article Type: Solution
Last Modified: 01 May 2025
Version:  5
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