For a critical system, you should really have two, for HA purposes. Do they? | Hacker News

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		icedchai on Sept 16, 2023 \| parent \| context \| favorite \| on: The database servers powering Let's Encrypt (2021) For a critical system, you should really have two, for HA purposes. Do they?

mcpherrinm on Sept 16, 2023 [–]

Yes. Let’s Encrypt has two locations, each of which has fully redundant hardware, so that’s a minimum of 4. We actually have a few more.

(I work at Let’s Encrypt)

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