US 12,346,449 B2
Forming modular chassis trusted groups for pre-boot authentication of blade servers
Suren Kumar, Bangalore (IN); Akbar Sheriff, Salem (IN); and Thanuja Chayakumar, Bangalore (IN)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Jul. 28, 2022, as Appl. No. 17/876,523.
Prior Publication US 2024/0037241 A1, Feb. 1, 2024
Int. Cl. G06F 21/57 (2013.01); G06F 21/33 (2013.01)
CPC G06F 21/575 (2013.01) [G06F 21/33 (2013.01); G06F 2221/034 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
generating and maintaining security key information, including a unique security key, for each of one or more blade servers inserted in slots of one or more modular chassis;
responsive to detecting an indication of a logical trusted group comprising two or more slots including one or more slots from each of two or more of the modular chassis, maintaining a trusted group database including the security key information for each blade server inserted in a slot of the logical trusted group;
responsive to detecting movement of a blade server from a first slot of the logical trusted group to a second slot of the logical trusted group, automatically authenticating a pre boot process of the server blade in the second slot via the security key information for the server blade in the trusted group database; and
responsive to detecting insertion of a new blade server, comprising a blade server not associated with the trusted group database, into a slot of the logical trusted group, prompting a user to manually authenticate the new blade server.