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What operating system are you using and which server and client software is it? For linux, I have found SAMBA and NFS to both be really good, but NFS writes faster, at least for me. I use it on a backup server.

Under linux, I have similarly experienced NFS doing this for the very first NFS transfer in some cases, but not SMB, RSYNC, TFTP, or other server processes. I am running 2 Conectx-2s under ubuntu server 18.04 and they do not exhibit this behaviour for any network transfers except for a first NFS...

I think I already know, but I could use clarification regarding bandwidth requirements for these cards. The main board slot is physically PCIe 2.0 x16. The max link speed for this slot is x8. The two cards being considered for this slot: 1) Mellanox MCX312A-XCBT Specifications PCI Express...

Thank you for the reply. I had some time to dig into this today and read about experiences different people have had with different modules. Some report that theirs seem to work fine, other comment that they can be touchy. I think a new fiber run is a good idea. Thank you again.

Good to know. Thank you.

Not having trouble, but I looking to upgrade an existing network to 10GbE using HPE NC560SFP Adapters and I have not decided on one of the media connections yet. There is an existing cat6 run that is technically partially outdoor as it is in part run through a crawlspace that is 100 feet. I am...

Does this work just for Intel branded X520 cards? Has anybody tried this with a HPE NC560SFP for example?

This post answered a few of my questions. https://forums.servethehome.com/index.php?threads/10gbe-vs-25gbe-cost-analysis-and-part-numbers.26287/

My question is regarding connecting a few ConnectX-3 devices (SFP+). For my home lab, I am looking to upgrade the connections on 3 systems, all linux. They are already connected at 1gb ethernet and I would like to get them all to 5gb or 10gb if possible. I mention 5gb first because I am not...