April 10, 20206 yr Been happy with unraid for some time on gigabit Ethernet with throughput that is saturating gigabit connection. Recently bought a couple of 10g cards to try out in the server which has drastically slowed down SMB (~250mbit). Iperf3 is showing full throughput to a windows machine. Machine has a 2.5g USB adapter that is connected over Ethernet to a 10g switch. Server is connected via DAC cable to the switch. 10g cards used in the server is a melenox connect x2 and QLogic Corp. cLOM8214 on a true x8 pcie port. Things iv'e tried: Iperf test Removed the bonded connection, where the 10g connection is not bonded to anything else Set the MTU to 9000. Is it configuration error, hardware, or a bug?
April 10, 20206 yr It is certainly possible to get near 10G link speed. See results below. Copying a 20G file from Unraid (cache pool) to workstation (nvme disk) using SMB And this is copying a 20G file from workstation (nvme disk) to Unraid (cache pool) using SMB How are you testing? Keep in mind that both source and destination must be fast enough to fully load the link.
April 22, 20206 yr Author So to mark this as resolved, seems there is an network hardware level issue. Iperf is find one way, but complete poo the other. There is something up with either the 2.5g adapter or the 10g base-t transceiver.
April 22, 20206 yr 2 hours ago, bseishen said: So to mark this as resolved, seems there is an network hardware level issue. Iperf is find one way, but complete poo the other. There is something up with either the 2.5g adapter or the 10g base-t transceiver. Could be the cable!
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