Huawei TaiShan Troubleshooting Manual page 61

TaiShan Servers
Troubleshooting
Fault
Symptom
The
memory
capacity
detected
by the
system is
less than
the
configure
d memory
capacity.
Issue 12 (2022-08-30)
NO TE
● If a fault can be located using logs or tools, see "Handling Procedure". If a fault needs
to be rectified quickly onsite, see "Quick Recovery Method".
● For more fault symptoms and solutions, see the
Computing Product Case Library is available only to Huawei partners and Huawei
engineers.
Handling Procedure
1. Check whether the DIMMs are
compatible with the server by
using Computing Product
Compatibility
● If yes, go to 3.
● If no, replace the DIMM
with a compatible model
specified by
Product Compatibility
Checker.
2. Check whether the current
memory capacity is supported
by the OS. For details about
the memory capacity
supported by each OS, see the
related OS documents.
3. Check whether the DIMM
installation positions meet
configuration rules.
● If yes, go to 4.
● If no, reinstall the DIMMs in
correct slots according to
the configuration rules.
4. Check whether a "DIMMxxx
configuration error" alarm is
generated by iBMC.
● If yes, replace the faulty
DIMM. For details, see
Handling
● If no, go to 5.
5. Check whether any DIMM
slots are abnormal. If a DIMM
slot is abnormal, replace the
mainboard.
Copyright © Huawei Technologies Co., Ltd.
5 Diagnosing and Rectifying Faults
Computing Product Case
Quick Recovery Method
1. If the iBMC generates the
Checker.
2. If the DIMM status
Computing
3. If DIMMs do not comply
4. If DIMM installation slots
5.3
Alarms.
Library. The
"DIMMxxx Configuration
Error" alarm, replace the
related DIMM.
displayed in iBMC or the OS
is abnormal (unidentified or
faulty), replace the faulty
DIMMs.
with the DIMM installation
rules, use Computing
Product Memory
Configuration Assistant
reinstall the DIMMs.
are faulty, replace the
mainboard.
to
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