Detaching a problematic node

There's one last thing we need to cover before ending this chapter. If a server is causing problems, there's a good chance that the infrastructure department will want to reclaim, rebuild, or replace it. Simply stopping the broken server is a possible solution, but there is a safer way to decouple DRBD from another system.

In this recipe, we'll quickly cover partially dismantling a running DRBD system without disrupting the active server.

Getting ready

By now, we need the full stack and probably a fully active database server as well. Follow all the recipes up to Tweaking XFS performance before starting here.

How...