4 ms·

This is what I was getting at. When Sun had issues with CPUs, they sent you new CPU boards and you could hot swap them live without downtime

• zorked 7y ago
  That was indeed cool, but it also belongs to the "pet" phase of computing and this is the "cattle" age.
  • scurvy 7y ago
    Not really. It was done at scale, too. Hotmail replaced all of the faulty CPUs live.