Input-output fabric conflict detection and resolution in a blade compute module system

An information handling system having input-output fabric conflict detection and resolution, said system comprising:

• a chassis management controller;
• at least one input-output (I/O) interface, wherein each of the at least one I/O interface has one first I/O fabric type;
• an I/O fabric router;
• and
• at least one blade compute module having at least one I/O daughter card, and a blade management controller, wherein each of the at least one I/O daughter card has one second I/O fabric type;
• wherein:
• the at least one I/O daughter card is coupled to the I/O fabric router;
• the I/O fabric router is coupled to the at least one I/O interface fabric;
• the blade management controller is coupled to the at least one I/O daughter card, the I/O fabric router, and the chassis management controller;
• and
• the chassis management controller is coupled to the at least one I/O interface;
• whereby:
• the chassis management controller is configured to determine the first I/O fabric type of each of the at least one I/O interface and report the first I/O fabric type of each of the at least one I/O interface to the blade management controller;
• the blade management controller is configured to determine the second I/O fabric type of each of the at least one I/O daughter card and determine whether the first I/O fabric type of at least one of the at least one I/O interface matches the second I/O fabric type of the at least one I/O daughter card ;
• if the first I/O fabric type of at least one of the at least one I/O interface and the second I/O fabric type of the at least one I/O daughter card matches, then the information handling system is configured to boot up and the blade management controller is configured to change I/O fabric routing for the matching at least one of the at least one I/O interface fabric and the at least one I/O daughter card through the I/O fabric router;
• and
• if the second I/O fabric type of the at least one I/O daughter card does not match the first I/O fabric type of at least one I/O interface, then the blade management controller is configured to disable the at least one I/O daughter card.

A method for detecting input-output fabric conflicts and resolving any detected fabric conflicts in an information handling system, said method comprising the steps of:

• determining input-output (I/O) fabric types of a plurality of I/O interfaces in an information handling system, wherein each of the plurality of I/O interfaces has one I/O fabric type;
• determining I/O fabric types of a plurality of I/O daughter cards associated with a plurality of blade compute modules, wherein each of the plurality of I/O daughter cards has one I/O fabric type;
• coupling each I/O fabric type of the plurality of I/O daughter cards to an associated one of the plurality of I/O interfaces having the same I/O fabric type, wherein the step of coupling comprises changing I/O fabric routing of the plurality of I/O daughter cards through an I/O fabric router so that at least one of the I/O fabric types of the plurality of I/O interfaces and the plurality of I/O daughter cards match;
• decoupling any one of the I/O daughter cards having an I/O fabric type not found in any one of the plurality of I/O interfaces, and
• disabling the one of the plurality of blade compute modules having the I/O daughter card with an I/O fabric type not found in any one of the plurality of I/O interfaces.

A method for detecting input-output fabric conflicts and resolving any detected fabric conflicts in an information handling system, said method comprising the steps of:

• initiating power-up of an information handling system comprising a plurality of blade compute modules and a plurality of input-output (I/O) interfaces;
• detecting I/O fabric types of a plurality of I/O daughter cards associated with the plurality of blade compute modules, wherein each of the plurality of I/O daughter cards has one I/O fabric type;
• detecting I/O fabric types of the plurality of I/O interfaces, wherein each of the plurality of I/O interfaces has one I/O fabric type;
• determining whether there are any I/O fabric conflicts with how the I/O fabrics of the plurality of I/O daughter cards are coupled to the I/O fabrics of the plurality of I/O interfaces, wherein
• if there are no I/O fabric conflicts then sending a power-up confirmation to a blade management controller of each of the plurality of blade compute modules,
• enabling each of the I/O daughter cards, and
• continuing booting up the information handling system;
• if there is an I/O fabric conflict then determining if the I/O fabric conflict can be resolved,
• if the I/O fabric conflict can be resolved then swapping fabric connections through an I/O fabric router to resolve the I/O fabric conflict, and
• if the I/O fabric conflict cannot be resolved then sending a power-up denial to the blade management controller of the one of the plurality of blade compute modules having the I/O fabric conflict and disabling the one of the plurality of blade compute modules having the I/O fabric conflict.