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Intel Network adapters on OS X: Small Tree drivers

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I was lucky to find out my Supermicro X9 motherboard was capable of x4x4x4x4 bifurcation (not all of them are), so I ordered two, 4 port NVMe adapters and created an NVMe pool. I'm excited to see what numbers it will pull with the 100G cards. I'm guessing my backplane will probably be my next bottle-neck, so I may have to upgrade that.

You're going down one hell of a rabbit hole, my friend. Good luck.
 
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What do you mean? I already have it running smooth. The 100G cards will be here tomorrow.
 
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What do you mean? I already have it running smooth. The 100G cards will be here tomorrow.

I'm sure you'll get the cards functioning at least as well as a 10G cards, and yeah, on paper a handful of NVMe SSDs and a 100G card sounds great, but you'll be going down a rabbit hole of sussing out weak points, starting with the bus speed. Does your mobo support PCIe 3.0, not 2.0? Does it have a 16x slot for that 100G card, and is that slot truly 16x, or does it become 8x if slot 2 is populated? What about the 16x slot you intended to install the four SSDs into?

And that's before we start getting into the capabilities of a legacy Xeon architecture. I'm running a Xeon E5-1650-v3 on my FreeNAS/TrueNAS server and it gets pushed pretty hard, and I have yet to ever saturate its 40GbE card, even though on paper I should be able to.

You're only as fast as your weakest link, and the faster you go, the more weak points get exposed.
 
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I realize I won't be able to utilize the whole 100G, but for the price point it made sense to just go to 100 (skip 25, 40, etc) and be prepared for the future. This could easily last me 10 years or more.

I have three PCIe 3.0 x16 slots, so the 100G will go in one and the other two are populated by two, 4 port NVMe adapters (so 8 NVMe drives in total). All my Hackintoshes are PCIe 3.0 and have plenty of x16 slots. The new 7,1 Mac Pro is all PCIe 3.0 with 8 (EIGHT!) PCIe slots.

"does it become 8x if slot 2 is populated?"
---- No. I thought this through before adding the new 100G and NVMe pool as opposed to just upgrading the motherboard.

My TrueNAS is using two E5-2650 v2 processors (8+8= 16 core total) and it shreds everything I throw at it. It eats Plex for breakfast.
 
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Interesting. So did you refresh the 550XT with a new subsystem ID 16b8:7212 the Sonnet driver to work?

Yup. I didn't stick with it very long though and reverted back to SmallTree
 
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It looks like this worked with my X550-AT2 card.
View attachment 508191
Thanks!
I also tried this on my X540-AT2, and the nic has been recognized by the system successfully. However, it only works for the speed 1000baseT. If I changed the speed to 10Gbase-T, it will show cable unplugged. Are there any insights?
 
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