Huawei S1720 Series Quick Maintenance Manual page 8

Check the Health Status of the Switch
Log in to the switch and check the health status of the switch as follows:
Check the temperature information. The temperature (CurrentTemperature) should be between
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LowLimit and HighLimit(The command changed into display temperature all in V200R005 and later
versions).
<HUAWEI> display environment
Environment information:
Temperature information:
SlotID CurrentTemperature
(deg c )
0 38
If the temperature is abnormal, check whether the ambient temperature in the equipment room is
normal, whether the heat dissipation channel in the chassis is blocked, and whether all fan modules
are working properly. Take appropriate measures accordingly. If the fault cannot be rectified, record
the fault information and contact your agent or Huawei enterprise technical support hotline.
2 View the power information and check whether the status of each present power supply is Normal(No
information is displayed for built-in power supplies).
<HUAWEI> display power
------------------------------------------------------------
SlotID PowerNo
------------------------------------------------------------
0 PWRI
0 PWRII
If the power status is abnormal, check whether the power supply is switched on and whether the
power cable is loose, and replace the problematic power supply. If the fault cannot be rectified, record
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the fault information and contact your agent or Huawei enterprise technical support hotline.
Check fan status. The fan status should be Normal (The command changed into display fan in
V200R005 and later versions).
<HUAWEI> display fan verbose
Slot # FAN #
-------------------------------------------------------------------------
0 1
If the fan status is abnormal, check whether the fan module is properly connected, whether the fan
blades are blocked, and whether dust is accumulated on the fans. If the preceding situations occur,
reinstall the fan modules or clean the fan blades. If other situations occur, replace the fan module.
If the fault cannot be rectified, record the fault information and contact your agent or Huawei
enterprise technical support hotline.
Check memory usage information. The memory usage should be lower than 60%.
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<HUAWEI> display memory-usage
Memory utilization statistics at 2009-03-29 06:44:59+00:00
System Total Memory Is: 159457152 bytes
Total Memory Used Is: 85775432 bytes
Memory Using Percentage Is: 53%
If the memory usage is too high, observe the memory usage for 5-10 minutes. If the usage is still high,
contact your agent or Huawei enterprise technical support hotline.
LowLimit
(deg c)
0
Present Mode State
YES AC Normal
NO N/A N/A
Status Speed Rate
Normal 30 %
HighLimit
(deg c )
60
Power(W)
150
N/A
Mode Airflow Direction
AUTO Side-to-Back
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