View Map | Partition | Slot A | Slot B | |-----------|--------|--------| | boot | boot_a | boot_b | | system | system_a | system_b | | vendor | vendor_a | vendor_b | | vbmeta | vbmeta_a | vbmeta_b | | userdata | shared | shared |
: While the user is actively using Slot A, an update can be installed in the background to Slot B.
High-availability systems in vehicles use this to ensure that a failed software update never leaves the car inoperable. Technical Standards A/B booting is often supported by the Multiboot Specification , an open standard that allows bootloaders like
Multiboot. Multiple lives. Multiple minds. I am patient.