Re: Mellanox Infiniband + mmap() + MPI one-sided communication fails when...
MOFED does have openmpi that use UD QP by the default, or you can try HPC-X Toolkit from Mellanox site, that available for different OSes.Check ulimits (Environment Problems | Intel® Developer Zone)...
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connecting two Connectx 2 nics
I want to connect two workstations together using two Connectx 2 nice. Both appear to be functioning correctly.Windows 10 on both machines
View ArticleRe: Joining + Leaving multicast group leads to hanging on ib_close_al
Additional info: Init data for ib_join_mcast (joinInit - data from config - they are correct because messages were received): ib_mcast_req_t mcast_req; memset(&mcast_req, 0,...
View ArticleJoining + Leaving multicast group leads to hanging on ib_close_al
HiOperations ib_join_mcast and ib_leave_mcast in my application return success but ib_close_al hangs.If I do not use ib_join_mcast and ib_leave_mcast than ib_close_al does not hang and the application...
View ArticleRe: Joining + Leaving multicast group leads to hanging on ib_close_al
Environment: IB driver:Mellanox OFED for Windows - WinOF VPI Rev 5.10.50000Windows Client 8.1 Hardware (output from vstat):hca_idx=0uplink={BUS=PCI_E Gen3, SPEED=8.0 Gbps, WIDTH=x8,...
View ArticleRe: connecting two Connectx 2 nics
You need to provide additional information.. Did you assign them an IP ?What driver version are you using?Model # of the cards?
View ArticleArchive Drivers Windows 7 & Windows 2008r2
I'm looking for OLD drivers that are compatible with a Connect IB Card (MHGH28-XTC). I believe they are around version 3.6 or so, I had it working a few years back and wanted to try it out again but...
View ArticleHow to configure multiple IPv4 subnets on a single VLAN interface
I am configuring an SX1012 (3.4.2008).We have a VLAN that carries two IPv4 subnets (one with public addresses, the other with a private NATed address space).How do I have to configure the VLAN...
View ArticleRe: How to configure multiple IPv4 subnets on a single VLAN interface
Hi Frank, The software doesn't support configuring more then 1 IP address on the SVI.
View ArticleRe: How to configure multiple IPv4 subnets on a single VLAN interface
Ouch!Is this really true? Is it on the roadmap at least?Any other way to support private and public IP subnets simultaneously?
View ArticleRe: connecting two Connectx 2 nics
ConnectX EN MT26448both have IP addressesdriver 5.10
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Re: connecting two Connectx 2 nics
Can you ping the cards (loopback)? Have you tried connecting it from Card 1 Port 1 to Card 2 Port 2 ?
View ArticleRe: connecting two Connectx 2 nics
That is the way they are connected. I tried a ping with no joyWhat is the username password for SAP?
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ConnectX EN 4 Gbit/s limit problem
Hello! There is problem with latest 3.1-1 and 3.2-1 drivers for ConnectX EN NIC.After rebooting system speed limiting near 4 Gbit/s and no limit after executing ./install.sh# uname -aLinux host-2...
View ArticleRe: connecting two Connectx 2 nics
machine 1 will not start machine 2 appears fine Any suggestions as to how to diagnose the problem with the first card?
View ArticleRe: connecting two Connectx 2 nics
I moved the card to another pci slot ant it now starts, but I still can not ping between the two cards
View ArticleRe: I have problem porting my RDMA application from InfiniBand(Mellanox...
Thanks Erez. Actually I found the solution later. It was a bug in my code. I didn't correctly set up the gid in the global routing header in queue attributes. After I fix that bug, it works perfectly.
View ArticleMellanox Connect X-4 VPI dual port 100G NIC: ib_send_bw can work with message...
I'm trying to test the rdma bandwith using ib_send_bw. I found that it does not work with message size between 1025~1344.Here is an example:Server Side:weijia@compute29:~$ ib_send_bw -s 1025...
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ib_send_bw performance puzzle
I tried play with ib_send_bw with different message sizes. I noticed that the best performance can be reached if the size is power of two. I tried different size with 1 byte smaller or 1 byte larger,...
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