Next is "OpenBMC - The state of multi-host platform support" by Oliver Brewka
Multi-host in this context means having a single BMC managing multiple host nodes.
First multi-host system Yosemite appeared in 2015; the platform support was maintained in Meta-OpenBMC, and for the latest version it migrated to LF-OpenBMC.
One of the challenges was to go from a static to a dynamic design: the 1<->1 relation is broken, and the number of hosts might change (empty node slot). Changing the design in OpenBMC without breaking the many single-host platforms was the hard part.
As of lately, multi-host has been getting more attention in OpenBMC; Aspeed announced new multi-host capabilities for their next BMC SoC, for example.
Oliver says that multi-host in OpenBMC will improve the design, getting rid of much hard-coding, and getting closer the Redfish specification.
#OSFC #OSFC2024 #OpenBMC