

Every modern distro keeps previous kernel boot entries available at boot time. You don’t need to use snapshots to simply not boot a potentially problematic kernel update.
There are literally near zero reasons to ever have to reinstall any Linux install. Moving to a more complex distribution isn’t going to solve your problem here, which is just learning a different workflow. That workflow being more akin to software development workflows: if something fucks up, just revert.









DRBD…that is an acronym I have not heard in a long time.
I have nothing but horrid memories of fucking with this on Blade+SAN deployments. It never worked right, and the only support that existed was from LINBIT. Near-zero documentation for operating it.