Actually i did the same for all upgrades.
If something goes wrong and troubleshooting takes too long it is easier just to roll back to snapshot in powered off (clean shutdown) state and bring the systems back online (with SQL DB restore first)
upgraded 7.0.2->7.2->7.3->7.4 "so far no issues "
Probably cannot do that if availability is a concern but if there is window where the systems are not in use then that is when to do it.