OSN 6800 Device TOM Single Board Temperature Too High Restar

A network is composed of seven OSN6800 devices, configuration SNCP protection, one day call customer maintenance staff told ODU1_PM_SSF alarm network management, a wave of business starts, a few minutes to restore after about ten minutes or so will interrupt again.

The alarm information

Report DOU1_PM_SSF and TEMP_OVER on the network management

The process

Remote login to client network management for problem location. Since the customer network is protected by SNCP and the business is interrupted, the problem should not be on the circuit board, but probably on the branch board. Through the analysis of the business flow, the TOM branch board of the problem channel was found, and TEMP_OVER alarm was reported on the board, and there were several BD_STATUS alarms on the board, indicating that the board was constantly restarting. Since it was hot in June, it was judged that the single board running temperature was too high, which caused the single board to restart and caused the business interruption.

It is known from the customer that the air conditioning failure in the local point machine room with high temperature single board, and the temperature in the machine room is relatively high, thus finding out the reason for the high temperature of single board. By manually setting the fan speed of the equipment, the temperature of the single board was lowered. The single board was not restarted at the scene, and the customer's business was not interrupted again. Inform the customer business interruption reason, to solve the problem of the computer room air conditioning fault in time, and for the equipment of dustproof nets also need to clean them in a timely manner, in order to avoid congestion lead to bad heat dissipation, veneer temperature is too high, thus affecting the business.

returning

The air conditioning failure of the machine room leads to high temperature of the machine room, poor heat dissipation of the single board, and the increase of the temperature of the single board leads to continuous reset and restart of the single board, thus causing business interruption.

The solution

Timely repair the air conditioner in the machine room, and regularly clean the equipment dust screen.

Suggestions and summaries

During the summer high temperature period, the temperature of the machine room should not be too high, and the dust screen of the equipment should be cleaned timely, so as to avoid the single board running temperature too high, causing business interruption.

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