There is no ignition on Soyuz, because they couldn't find a reliable way to ignite the engine when it was designed so second stage works from the start, it is t

There is no ignition on Soyuz, because they couldn't find a reliable way to ignite the engine when it was designed so second stage works from the start, it is the central part of the rocket, and 4 boosters around it. Second stage was shut down because of the problems with a booster separation.