Re:Post mortem on mastodon outage with 30k users (hachyderm)
by rbanffy on Sunday December 04, 2022 @06:07PM
(#33859029)
> We had pairs of drives of one manufacturer/speed mirrored with pairs of drives from another manufacturer/speed.
The different speed is an issue, but I always recommend mixing pairs so that you don’t end up like me, when all spinning metal of the same RAID-5 array failed in a short period. Wasn’t a great day.
The different speed is an issue, but I always recommend mixing pairs so that you don’t end up like me, when all spinning metal of the same RAID-5 array failed in a short period. Wasn’t a great day.
Lucky me I had a contingency plan.