Unbelievable deal! These are low profile dual port cards capable of 56Gbps IB and 40Gbps Ethernet.
I messaged the seller and bought 32 cards for $25 each plus shipping.
He said he has 1300 in stock so there's plenty for everyone :)
They can be flashed from their HP firmware to stock Mellanox...
Instead of using the SSDs as as write-back caches using mdcache (you mean dm-cache?) you should use the 32GB Optane drives as a mirrored SLOG (ZFS ZIL). If this is a home setup they're perfect for the job. STH even published an article on the performance of them not too long ago. Your SSDs could...
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