Replacing a noisy server with a quiet one
In practice, the details matter more than the overall plan. Every project is different, yet the same few mistakes repeat.
This came up several times this year, so it seemed worth writing down. In practice, the details matter more than the overall plan. The result is not perfect, but it has worked well for over a year. Budget and time usually decide more than personal preference.
Most of the problems were not technical at all. It is easy to underestimate how much time preparation saves later.