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RAID 10 only 160 MB/s - 10 Gbit LAN


RAID 10 is terrible slow with 8x4TB WD Red drives:

Read 170 MB/s

Write 160 MB/s


With RAID 0, 8x4TB:

Read 120 MB/s

Write 170 MB/s


Iperf3 9,9 Gbit/s.


I have jumbo frames enabled.


Local source and target drive is a NVMe. Test file is 20 GB.


Can it be the Core i3-4130? Hmmm, I have no idea.

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