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HackerNews went down because two SSDs in a mirror went down at the same time. This was due to a hours on SSD bug. While Raid-Z2 works, and provides great reliab
by jabart 4y ago
HackerNews went down because two SSDs in a mirror went down at the same time. This was due to a hours on SSD bug. While Raid-Z2 works, and provides great reliability, two-servers replicated, both with raid-z2 and a nightly offsite backup and as long as you are testing your backups it's a solid plan.
- bsder 4y agoAnd AWS goes down about once a year because US-East-1 has some weird failure. Your point? The point of DevOps is "Cattle, not pets." Put a bullet in your server once a week to find your failure points.