docs/designs/power-recovery.md

25 During blackout scenarios, system owners may have a set of services they need
27 to off in a blackout. OpenBMC needs to provide a mechanism for system owners to
37 their system. A UPS continues to provide power to a system through a blackout or
94 - Not log an error indicating a blackout has occurred if chassis power was on
101 A blackout occurs when AC power is cut from the system, resulting in a total
110 - Provide a generic target, `obmc-chassis-blackout@.target` to be called when a
111   blackout is detected
116 - Discover why the system is in a blackout situation. From either loss of power
147 When a UPS is present and a blackout or brownout condition occurs, the BMC must:
156   entire system is imminent(i.e. a blackout scenario where BMC will also lose
200 The phosphor-state-manager chassis software will not log a blackout error if it
206 A new systemd target `obmc-chassis-blackout.target` should be added to allow
208 called when the BMC detects a blackout. The target will allow for system owners
210 Phosphor-chassis-state-manager will ensure `obmc-chassis-blackout.target` will
211 be called after a blackout.