No Output From The Cli Serial Port - Huawei OceanStor S2600 Manual

OceanStor S2600 Storage System
Troubleshooting
Procedure
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5.12 No Output from the CLI Serial Port

This section describes how to handle the fault that no information is output from the CLI serial
port.
Symptom
After the serial port on the maintenance terminal is connected to the serial port in the storage
system, the maintenance terminal cannot receive information output from the CLI serial port in
the storage system.
Possible Causes
One of the following causes may arouse no output from the CLI serial port:
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Fault Diagnosis
You can determine the cause for the fault through the following procedure:
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Issue 03 (2010-01-28)
Cause 1: The management network port of the array is not properly connected.
1. Remove and insert the data transmission cable or replace the data transmission cable.
2. Rediscover the system. The arrays to be managed are discovered on the ISM.
Cause 2: The version of the ISM is incorrect.
1. Log in to the ISM download interface to download and install the latest version of the
ISM. For details, see the OceanStor S2600 Storage System User Guide.
2. Rediscover the system. The arrays to be managed are discovered on the ISM.
Cause 3: The IP address, user name, or password of the array are incorrect.
1. Enter the correct IP address, user name, and password of the array and log in to the
ISM.
2. Rediscover the system. The arrays to be managed are discovered on the ISM.
Cause 4: The IP address of the NIC of the maintenance terminal incorrect.
1. Check the network segment of the IP address of the maintenance terminal.
2. Check the IP address list of the NIC of the maintenance terminal that communicates
with the management network port of the controller, and set the first IP address in the
list to be in the same network segment with the current maintenance terminal.
3. Rediscover the arrays. The arrays to be managed are discovered on the ISM.
The serial port cable is improperly connected.
The rate of the serial port on the maintenance terminal is inconsistent with that of the CLI
serial port in the storage system.
Cause 1: The serial port cable is improperly connected.
1. Remove and insert the CLI serial port cable again or replace the CLI serial port cable.
2. If the maintenance terminal receives information from the CLI serial port, you can
determine that the fault is caused by improper connection of the serial port.
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5 Troubleshooting of Common Faults
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