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Re:The database servers powering Let's Encrypt by vmception on Thursday January 21, 2021 @02:58PM (#25863409)
I have a motherboard from 2012 and I just put 2x 8TB NVMe SSDs on it, on a PCIe 2.0 x16 slot

Works great. The PCIe card itself has 2 more slots for SSDs

The GPU is on the 2.0 x8 slot because they don't really transfer that much data over the lanes.

I honestly didn't realize PCIe was up to 4.0 now, and I am pushing up against the limits of PCIe 2.0 but it still works! And I’m “only” at the limits, and its only a limit when I want faster than 3,000 megabytes per second, which is amazing.

Granted, this would have been considered a good enthusiast motherboard in 2012. Buying new but cheap is the mistake.

Re:The database servers powering Let's Encrypt by foota on Thursday January 21, 2021 @04:25PM (#25864474)
What drives did you get? I think you need PCI 4 to stress most SSDs these days?
Re:The database servers powering Let's Encrypt by vmception on Thursday January 21, 2021 @05:05PM (#25865053)
I have a hunch that the pcie card itself is most important as it is doing bifurcation.

So each drive acts like it has its own slower (but fast enough) pcie slot, and then the raid0 combines the bits back to double the performance.

Could be wrong but I get 2,900 megabytes per second transfers from RAM to disk and back.

And this is PCIe 2.0 x16

so maybe if you want , 3,000, 4,000 or 6,500 megabytes per second then I have nothing to brag about. I’m pretty amazed though and will be content for all my use cases.