Diagnose and resolve high latency on Infiniband setup on Windows Server 2016

I have installed Mellanox ConnectX-3 cards in 2 Windows Servers. I have a running IB network with opensm as subnet manager and direct connection between the two servers.

Throughput is "fine" at 2500MB/s when tested using ntttp.

However, latency is the problem. I have ~.3ms ping times (same as my 1GB ethernet). and when running diskspd against a network share I get 10X latency and 1/10th the IOPS I get when accessing the disk on the host computer directly.

Beceriler: Ağ Yönetimi, Windows Sunucu

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İşveren Hakkında:
( 25 değerlendirme ) Tempe, United States

Proje NO: #14767379

Bu iş için 2 freelancer ortalamada $110 teklif veriyor


no need to pay me unless all job is done I have more than 9 years experience in IT field,Windows Server, Exchange server, firewalls, networking, backup, system admin, Azure, Office 365, MS Access, AWS Relevant Skills Daha Fazla

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Hi, Probably we can find a solution of the issue you faced with. The troubleshooting starting from analysis what we've got and than analyzing logs. Relevant Skills and Experience Hold extensive experience with IBM, De Daha Fazla

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