For what it's worth, we've been maintaining some local patches to robustify server group affinity checks. One of them basically does what you describe in item #3 in comment #11 (consider both src/dest hosts of migrating instances as hosts that are part of the group). This is actually needed for cold and live migration as well as evacuation.
For what it's worth, we've been maintaining some local patches to robustify server group affinity checks. One of them basically does what you describe in item #3 in comment #11 (consider both src/dest hosts of migrating instances as hosts that are part of the group). This is actually needed for cold and live migration as well as evacuation.