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Table 5-20 Quick recovery methods and handling procedures of FC controller
faults
Fault Symptom
Quick Recovery Method
All HBA links are
disconnected.
1. Check the link redundancy status.
● If the links are redundant, reset the switch module
ports connected to the faulty HBAs, and go to
.
● If the links are not redundant, go to
2. Check whether the ports connected to the faulty
HBAs are functioning correctly.
● If yes, check whether the fault is rectified.
● If no, migrate all services, and safely power off the
server. Next, remove and reinstall the compute
node, and power on the server. If the fault persists,
apply for spare HBAs to replace the faulty ones.
3. Before contacting Huawei technical support, it is
recommended that you migrate services and collect
switch module logs, OS logs, LLD networking
information, and device time differences.
Storage services are
affected but HBA
links are normal.
1. Migrate all services, and safely power off the server.
Next, remove and reinstall the compute node, and
power on the server. Then, check whether the fault is
rectified.
● If yes, no further action is required.
● If no, contact the storage vendor for quick fault
recovery.
2. Before contacting Huawei technical support, it is
recommended that you migrate services and collect
switch module logs, OS logs, LLD networking
information, and device time differences.
Huawei Servers
Troubleshooting
5 Diagnosing and Rectifying Faults
Issue 20 (2020-09-25)
Copyright © Huawei Technologies Co., Ltd.
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