Hi team, here's a new case.
Problem
After the switch restarts, the indicators on all ports are yellow.
Symptom
Switch indicator status

Cause
When the switch is delivered, the persistent enable parameter is not set.
As a result, the switch is disabled after the switch is restarted.
Location Method
Run the switchshow command to check the switch status.
If the switch status is Offline (Persistent) or Online (Temporary), the switch settings are incorrect.
After the switch is restarted, the switch is in the Offline state.

or

Solution
Run the switchcfgpersistentenable command.
Post-Recovery Check
Run the switchshow command to check the switch status.
Normally, the value is Online.

Applicability
All versions of OceanStor SNS series switches