Re: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-21 Thread richard Croucher
ere > have been major improvements in the stack since 1.4.2. Also please be > sure that you update the firmware in all hardware for the same reason. > > > > Thanks > > > > Rupert > > > > > From: koen_seg...@computacenter.com > [mailt

Re: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-21 Thread koen_segers
rics.org Cc: koen_seg...@computacenter.com Subject: RE: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ] Rupert, Thanks for replying. Below is the output of the ibdiagnet command. I don't see any issues here. Just tell me if you need more info. I

Re: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-17 Thread Rupert Dance
...@computacenter.com Subject: RE: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ] Rupert, Thanks for replying. Below is the output of the ibdiagnet command. I don't see any issues here. Just tell me if you need more info. I forgot to mention that we are

Re: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-17 Thread koen_segers
penfabrics.org] On Behalf Of koen_seg...@computacenter.com Sent: Monday, October 17, 2011 3:22 AM To: ewg@lists.openfabrics.org Subject: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ] Hi, In my test setup I have 3 servers of which 2 are residing in

Re: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-17 Thread Rupert Dance
, October 17, 2011 3:22 AM To: ewg@lists.openfabrics.org Subject: [ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ] Hi, In my test setup I have 3 servers of which 2 are residing in Datacenter1 and the other in Datacenter2. If I do a rdma test between

[ewg] 200m cable results in slower rdma read performance? [ CC Anti-Virus checked ]

2011-10-17 Thread koen_segers
Hi, In my test setup I have 3 servers of which 2 are residing in Datacenter1 and the other in Datacenter2. If I do a rdma test between datacenters, I get a much lower performance than if I would do the test between servers residing in the same datacenter. DC1: gpfsprod1n1, gpfsprod1n3