Operations teams deal with both. You design your system with enough spare capacity that you can live somewhat degraded for a time - you must if only due to the

Operations teams deal with both. You design your system with enough spare capacity that you can live somewhat degraded for a time - you must if only due to the lead time. Software failures are far far far more common than hardware failures so once you combine these, the occasional midnight trip to the colo is both rare and oddly satisfying for hero types.