Chassis management controller monitored overcurrent protection for modular information handling systems

A method comprising, in a system comprising a chassis comprising a plurality of bays, each of the plurality of bays configured to receive a respective modular information handling system, and the system further comprising a shared infrastructure comprising a plurality of components which are shared by modular information handling systems received in the plurality of bays:

• determining a power consumption for each respective modular information handling system by:
• reading the power consumption for each respective modular information handling system from a host management controller of each respective modular information handling system;
• and
• if reading the power consumption for a particular modular information handling system is unsuccessful, estimating the power consumption for the particular modular information handling system by:
• determining power delivered by power supply units supplying electrical energy to the plurality of bays and the shared infrastructure;
• determining a shared infrastructure power consumption indicative of power consumed by the shared infrastructure;
• determining a sled power consumption indicative of power consumed by modular information handling systems populated in the plurality of bays for which reading the power consumption for such modular information handling systems was successful;
• and
• estimating the power consumption for the particular modular information handling system based on the power delivered, the shared infrastructure power consumption, and the sled power consumption;
• and
• if the power consumption for a respective modular information handling system exceeds a maximum sled connector current limit for the respective modular information handling system, communicating a message to the respective modular information handling system to power down the respective modular information handling system.

An article of manufacture comprising:

• a non-transitory computer readable medium;
• and
• computer-executable instructions carried on the computer readable medium, the instructions readable by a processor, the instructions, when read and executed, for causing the processor to, in a system comprising a chassis comprising a plurality of bays, each of the plurality of bays configured to receive a respective modular information handling system, and the system further comprising a shared infrastructure comprising a plurality of components which are shared by modular information handling systems received in the plurality of bays:
• determine a power consumption for each respective modular information handling system by:
• reading the power consumption for each respective modular information handling system from a host management controller of each respective modular information handling system;
• and
• if reading the power consumption for a particular modular information handling system is unsuccessful, estimating the power consumption for the particular modular information handling system by:
• determining power delivered by power supply units supplying electrical energy to the plurality of bays and the shared infrastructure;
• determining a shared infrastructure power consumption indicative of power consumed by the shared infrastructure;
• determining a sled power consumption indicative of power consumed by modular information handling systems populated in the plurality of bays for which reading the power consumption for such modular information handling systems was successful;
• and
• estimating the power consumption for the particular modular information handling system based on the power delivered, the shared infrastructure power consumption, and the sled power consumption;
• and
• if the power consumption for a respective modular information handling system exceeds a maximum sled connector current limit for the respective modular information handling system, communicate a message to the respective modular information handling system to power down the respective modular information handling system.