Re: Can multiple versions of mlnx-ofed exist in the same IB fabric?
Hi Greg, It is recommended to perform the upgrade during a maintenance windows and not in production, because there are a lot of differences between 2.X and 3.X versions and since part of the driver...
View ArticleIs this the best our FDR adapters can do?
We have a small test setup illustrated below. I have done some ib_write_bw tests. Got "decent" numbers, but not as fast as I anticipated. First, some background of the setup: Two 1U storage servers...
View ArticleRe: Is this the best our FDR adapters can do?
One thing to keep in mind is that you'll hit the bandwidth of the PCIe bus.I've not used the ib_write test myself - but I'm fairly sure that it's not actually handling data - just accepting it and...
View ArticleRe: How to change speed from FDR to QDR using ibportstate command in centos 6.2
Hi, Thanks for the help, however, unfortunately this didn't help. Without firing command: CA PortInfo:# Port info: Lid 144 port...
View ArticleRe: Which ESXi driver to use for SRP/iSER over IB (not Eth!)?
KVM?No! KVM also have many limitations.For example EoIB, etc.Infiniband communication rely on SM- Subnet ManagerSM consist of some components and API.But SM architecture didn't designed for hypervisor...
View ArticleRe: Is this the best our FDR adapters can do?
Thanks for sharing your experience. I did the following: [root@sc2u0n0 ~]# dmidecode |grep PCI Designation: PCIe Slot 1 Type: x8 PCI Express 3 x16 Designation: PCIe Slot 3 Type: x8 PCI Express 3...
View ArticleIs srp supported in RHEL7.2 PPC64 ?
Hi all,Trying to hook up my IB storage device to my Power7 Server running RHEL 7.2 ppc64. Installed the latest OFED, but srp isn't working. Can't find any info anywhere that says it is not supported?...
View ArticleRe: mlnx_tune does not detect the BIOS I/O non-posted prefetch settings?
IMHO this mlnx_tune Python script has a bug. The logic used in issuing the warning message is incorrect. 1462 pci_width_compatible_to_cpu_ok = not (int(self.actual_pci_width) >=...
View ArticleRe: Is this the best our FDR adapters can do?
I think I have the answer now. It's due to the confusion caused by the prevalent and inconsistent use of MB and MiB out there in different software applications. When I ran ib_write_bw with the...
View ArticleRe: Is srp supported in RHEL7.2 PPC64 ?
Not sure about PPC64 architecture but, in general, the situation with Mellanox Infiniband and SRP support is this:SRP initiator is supported out of the box, both with inbox and the latest Mellanox OFED...
View ArticleRe: How to upgrade to latest version of MLNX-OS ?
Hi! Anand Could you give me a ftp link for my 2 of SX6036G VPI Gateway system?I received a message another threads that said to me cable detection bug will be resolved in future MLNX-OS release.My...
View ArticleRe: Is srp supported in RHEL7.2 PPC64 ?
Hi Thanks for responding. I'm not trying to create a target on my PPC64 box, I'm trying to connect to an external IB target. I have a ConnectX-2 VPI card that does not work with the inbox drivers on...
View ArticleRe: 'State: Initializing' but works
Hi, Can you please run the below and provide the output : sminfo -P 1sminfo -P 2
View ArticleRe: Connecting SX1016 MLAG Pair to Cisco VSS
Hi Scott, Can you copy paste the switches configuration (including the cisco 6509), please indicate which ports are connected between the SX1016 and the Cisco's
View ArticleRe: How to upgrade to latest version of MLNX-OS ?
Hi Anand, EMC² is NOT supportive at all. Their support people even do not know aboutMellanox switches ( !? ), although EMC² use the switches in their ISILON NASsystems. STRANGE ! I recently devoted...
View ArticleRe: How to upgrade to latest version of MLNX-OS ?
We don't support Upgrading from EMC firmware to Mellanox Firmware, you need to contact EMC for that. Ophir.
View ArticleWinOF v5.22 and Platform MPI problem on ConnectX-3 cards
Dears,I need to use Platform MPI 9.1.3 with my application being run in -IBAL mode.Unfortuantlly no driver released later than WinOF v2.1.2 ( 3.xx , 4.xx , 5.xx ) won't be detected by MPI and it fires...
View ArticleRe: How to upgrade to latest version of MLNX-OS ?
please send email to support@mellanox.com for that. Thanks,Ophir.
View ArticleRe: Connecting SX1016 MLAG Pair to Cisco VSS
See also here: Mellanox MLAG and Cisco vPC Configuration and Troubleshooting
View ArticleRe: Odd, unsymmetric ib_send_lat results?
6 days ago, I reported that I fixed my IPoIB setup. I just found sometime a while ago to revisit this issue. Indeed, as I suspected, the original, incorrect IPoIB setup was the cause of jitters...
View Article