Re: SX1016 trunked to a Brocade SX800
Rob,In general Untagged traffic is mapped to default vlan. My personal best practice rule is to keep all uplink ports as tagged and server ports as hybrid. Is there a reason you are using hybrid ports...
View ArticleRe: SX1016 trunked to a Brocade SX800
Hi Anand, Yes. I agree with you 100% on that one. At the moment we are using the default vlan for specific switch traffic but the plan is to move this out to a vlan. Currently the switch is connected...
View ArticleRe: SX1016 trunked to a Brocade SX800
If your server sends untagged traffic, then it will be mapped to default vlan. Where is your server connected and is it sending tagged traffic? Anand
View ArticleConfusion with Packet and Byte counters for RoCE over CX3
We are using RoCE over a CX3 (RHEL 6.4) driver: mlx4_enversion: 2.1 (Apr 3 2013)firmware-version: 2.11.500 We are confused by the RoCE packet and byte counters. Eg, cat...
View ArticleRe: SX1016 trunked to a Brocade SX800
Hi Anand, The servers i have attached to this switch are quad node chassis. The uplinks are using connect-x 2 adapters. The servers are running hyper-v. The connect-x 2 is configured as a vswitch with...
View ArticleRe: Suggestions for *quiet* Infiniband switch?
Since you're shopping for deprecated gear and warranty isn't an issue, you can try swapping the fans out for quieter ones. My Topspin 90 uses standard fans with a custom connector which can be taken...
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Re: Confusion with Packet and Byte counters for RoCE over CX3
The man page for perfquery states that only the data counters are divided by 4. It doesn't say anything about packets counters.Note: In PortCounters, PortCountersExtended, PortXmitDataSL, and...
View ArticleRe: Confusion with Packet and Byte counters for RoCE over CX3
Thank you for the confirmation that the byte counters are a factor of 4. I suspect you are right about the packet counters as well... I will double check. It's too bad "perfquery" doesn't work in a...
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Is it possible to mount and boot from a SRP or iSER target ?.
Hi, I am looking at running diskless machines with infiniband connectivity (SRP or iSER). I wish to use CentOS and would like to boot from either a SRP or iSER target rather than have a local disk,...
View ArticleRe: SX1016 trunked to a Brocade SX800
Hi Yairi, We have just purchased silver support from colfax for this switch and are currently waiting on login details for the mellanox support website. Regards, Rob
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Re: SX1016 trunked to a Brocade SX800
For those watching this thread. I believe i'm closer to sorting out what the problem is. What we are seeing is a type of Q in Q . I'm starting to think that this switch has some network virtualization...
View ArticleMLNX fails to install RPMS Centos 6.3
I have a brand new Dell system with M620 nodes and infinitband network, and is trying to set them up. When trying to run the install script it fails right after mvapich_gcc rpm has been installed, with...
View ArticleRe: MLNX fails to install RPMS Centos 6.3
Hi Coiter, Please look at the /tmp folder, the OFED installation logs should be there at a directory with the following syntax OFED.xxxxx.logs where xxxxx is a random number,for example:OFED.22033.logs...
View ArticleRe: MLNX fails to install RPMS Centos 6.3
You are absolutly right, it was the libgfortran that stopped the process, and the install now finished as it should.
View ArticleFailed loading HCA driver and Access Layer
Im sorry to ask again, im new to Infiniband so dont know all the tricks and hwo to make it work just yet:) I managed to install the software as to previous article, and rebooted the blade node. when i...
View ArticleRe: ConnectX-3 CX312A-XCBT and Thunderbolt
The Mellanox ConnectX-3 should not be physicaly aware that it is connected to a Thunderbolt adapter and should linkup on the PCIe with the adapter.So I see two options to why this is not working:1. The...
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Using ConnectX-2 VPI adapters for network workstation with 2 nodes.
I am in the process of building a small rack mount setup for CG animation/rendering using Supermicro barebone servers for LGA 2011 Intel Xeon E5 chips. It it will consist of one workstation and two...
View ArticleRe: ConnectX-3 CX312A-XCBT and Thunderbolt
According to Sonnet Tech support:"Feedback from our engineering dept...... We're going to have to investigate this. It looks like a problem with PCIe 3.0 to PCIe 2.0 ..." That was back on 30 March. I...
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Re: Using ConnectX-2 VPI adapters for network workstation with 2 nodes.
Yes, you can plug a cable between two ports directly but you need to start the Subnet Manager on one machine (/etc/init.d/opensmd, it can be on any machine) What you lose is scalability, of course. But...
View ArticleRe: Removal of relevant questions?
Justin Clift where you able to find your post. I moved it to the proper section of the community and have responded. If you have any other issue please let me know as we are here to help.
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