Re: Configuration settings for IPoIB performance
For the record I measured it with:ConnectX-2 cardsQDR switch2 * E5-2620/128GB boxesAgain, no playing with external OFED - just yum groupinstall "Infiniband Support"
View ArticleRe: MXM ERROR failed to create send cq: Cannot allocate memory
Good morning, thanks a lot for your answer.I spent the whole day yesterday trying to troubleshoot this problem. You are right, I had a system locked memory of 64Kb, which was peanuts. I have solved...
View ArticleRe: MXM ERROR failed to create send cq: Cannot allocate memory
Good to know it works finally for you. The knem improves only for the large messages transfers betwen MPI processes within the node. It must be that memlock limit you set in the...
View ArticleTrouble with ConnectX-3 VPI adapter card over XenServer 6.2 (Service Pack 1)
Hi all, we are trying to use a ConnectX-3 VPI adapter card over XenServer 6.2, for this we have followed the following steps: 1) Install XenServer 6.2 on my system (Supermicro 1027GR-TRF) 2) Install...
View ArticleRe: Configuration settings for IPoIB performance
You cannot expect much better performance than this, you are hitting CPU barriers as all TCP error correction with IPOIB is done in software, not in hardware. You can try adjusting TCP window settings...
View ArticleRe: Trouble with ConnectX-3 VPI adapter card over XenServer 6.2 (Service Pack 1)
Have you tried version 1_5_3-4_0_42 instead? You may need to contact Mellanox support for XenServer driver.
View ArticleRe: Strange рerformance problem with CX354A - ConnectX-3 QSFP with large...
Have you tried to connect to a different port on the switch to see if this problem exists with the port or the cable?
View ArticleRe: Strange рerformance problem with CX354A - ConnectX-3 QSFP with large...
Yes, I tried even different pair of servers with different cables and ports.
View ArticleRe: Issues with SRP and unexplainable "ibping" behaviour.
Hey,Have you tried upgrading the Firmware version?
View ArticleRe: Are ConnectX-3 VPI adapters compatible with the Red Hat MRG (i.e....
Hi,I've checked that and it does not yet support Red Hat Enterprise MRG.
View ArticleRe: Trouble with ConnectX-3 VPI adapter card over XenServer 6.2 (Service Pack 1)
Hi, I have tried with MLNX_OFED_LINUX-2.2-1.0.1-xenserver6.x-i686 and the firmware update, but I have obtained the same results that was shown on the first post. So I have some questions:Did you use...
View ArticleRe: PCIe Bracket for Connect-X EN2
Hi,I'll recommend contacting one of Mellanox sales department,depending on your regional.Contact Us - Mellanox Technologies
View ArticleRe: Corrupt Voltaire 9024-m firmware help?
Hey, Ill recommend using a program like putty or mobaXterm or any freeware that has CLI interface to connect via the mgmt port.You can try the user...
View ArticleRe: Trouble with ConnectX-3 VPI adapter card over XenServer 6.2 (Service Pack 1)
Yes, XenServer SP1 with all updates. And just by running ./mlnxofedinstall Might I ask did you install the additional packages required by the driver? Before you install MLNX_OFED 2.2.yum install...
View ArticleRe: sRB-20210G factory default state and documentation?
Hey,Found the user manual, Let me know if that helps you http://support.mellanox.com/ftp/Documents/IO_Virtualization/sRB-20210G/10_GbE_Gateway_2.0_User_Manual_DOC-00288_A01.pdf
View ArticleRe: Is it possible to switch ConnectX-3 VPI into Ethernet mode in Solaris 11.1?
Hi,Mellanox OFED driver does not support this OS.This is he list of supported os is MLNX_OFED: Firmware - Driver Compatibility Matrix - Mellanox Technologies What driver did you use ?
View ArticleRe: ib_srp disconnect on ESXi 5.0 with H:0x5 D:0x0 P:0x0 error
Hello,did the workaround helps? i have the same Error on esxi 5.5. the vmkernel.log shows: 2014-05-09T09:39:15.860Z cpu14:32819)<3>vmnic_ib0:vmipoib_start_rx:410: unsupported protocol...
View Articlevport_rx_errors on ConnectX3-EN when DEI bits are set
Hi, The ConnectX3-EN network cards don't seem to like Ethernet frames with the DEI bit set in the 802.1q QoS fields when doing vlan tagging. The packets are basically lost. They don't show up on packet...
View ArticleRe: ib_srp disconnect on ESXi 5.0 with H:0x5 D:0x0 P:0x0 error
What scsi target are you using and what are the ib_srp module parameters on the ESXi?
View ArticleXenServer 6.2 SP1 can't find device ib0
Hello, All ! I'm testing Infiniband on Citrix XenServer 6.2 SP1, for using iSCSI via IPoIB.the installation was successfull, and ibstat shows HCA is installed but the server can't find ib0. here are...
View Article