Maintenance And Troubleshooting; Power Supply Failure - H3C S9820-8C-SAN Installation Manual

Display M-LAG system information.
Display detailed information about M-LAG interfaces.
CAUTION:
• In an M-LAG system, all management Ethernet ports on the primary and secondary devices are
available for use. From the perspective of the network management system, the two devices in
the M-LAG system are independent and you must log in and manage them separately.
• To prevent network failures caused by M-LAG system splitting, configure HA after the M-LAG
system is set up. For more information, see H3C Data Center Switches M-LAG Configuration
Guide.
5

Maintenance and troubleshooting

Power supply failure

Symptom
The status LED on a power supply is not steady green (active state) or flashing green (standby state)
For more information about the power supply LED, see H3C S9820-8C & S9820-8C-SAN Ethernet
Switches Hardware Information and Specifications.
Solution
To resolve the issue:
1. Verify that the power cord is connected correctly.
2. Verify that the power source is as required by the switch.
3. Verify that the operating temperature of the switch is in the acceptable range and adequate
ventilation is available for the power supply.
4. If the issue persists, contact H3C Support.
To replace a power supply, see
Fan module failure
CAUTION:
The switch has five fan module slots. If multiple fan modules fail when the switch is operating, do not
remove the fan modules at the same time. Replace the fan modules one after another and finish
replacing a fan module within 3 minutes.
Symptom
The alarm LED on a FAN-80B-1-B fan module is steady red and the system outputs alarm
messages.
"Installing and removing
5-36
display m-lag system
display m-lag verbose
[ interface
interface-number ]
."