Day 28 10 min
Joyent 2014: every server in us-east-1 rebooted at once
1 / 12 · ≈ 7 min left
Warm-up
From yesterday. Answer from memory: a wrong guess still helps you remember.
Only PDX-04 lost power, and the high availability cluster also ran in two other data centers. Why did parts of that cluster fail?