Method used to collect information when the startup of OceanStor S3900/S5500 T series storage systems fails

Method used to collect information when the startup of OceanStor S3900/S5500 T series storage systems fails:
Run switch over the serial port to enter the SES serial port mode.
Run qlog 1 over the SES serial port to collect SES logs.
Run qlog 98 over the SES serial port to collect SES historical logs.
Run show cpld over the SES serial port to collect information about the CPLD register.
After the above information is collected, contact Huawei technical support engineers for troubleshooting.

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