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Dell PowerEdge M1000e Chassis Management Controller Firmware Version 5.1 User’s Guide

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Active CMC Election Process

There is no difference between the two CMC slots; that is, slot does not dictate precedence. Instead, CMC that is installed or booted first assumes the role of the active CMC. If AC power is applied with two CMCs installed, CMC installed in CMC chassis slot 1 (the left) normally assumes the active role. The active CMC is indicated by the blue LED.

If two CMCs are inserted into a chassis that is already powered on, automatic active/standby negotiation can take up to two minutes. Normal chassis operation resumes when the negotiation is complete.


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