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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:
( 24 değerlendirme ) Los Angeles, United States

Proje NO: #14767379

3 freelancers are bidding on average $107 for this job

mazoz

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 fazlası

in 3 gün içinde65$ USD
(9 Değerlendirme)
2.9
PhilMichaud

Hi there, Phil here i hope all is well on your side . Will configure environment include isolated configurations for experience performance output on back-end as well. Relevant Skills and Experience LPIC , CEH , ITI Daha fazlası

in 3 gün içinde100$ USD
(0 Değerlendirme)
2.3
Slava1980

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 fazlası

in 3 gün içinde155$ USD
(0 Değerlendirme)
0.0