Re: MLAG and Spanning Tree
Why you use MLAG between switches? Between L3 switches, using a routing protocol and Equal Cost Multipath Routing is a better design choice than L2 VLANs and STP. Keep VLANs local to a switch (or a...
View ArticleRe: MLAG and Spanning Tree
Really????Then, my advice would be not to use MLAG and stick with STP (MSTP or RSTP).
View ArticleCan Mellanox FDR drop unreliable packets during normal operation?
With unreliable RDMA transports (UC or UD), when can Mellanox FDR drop a packet during normal operation? By normal operation, I mean:The receiver always has sufficient RECVs on its receive queueNo...
View ArticleRe: Trunks, pvlans, infiniband world
Hi, I do have another questionIf I have dual links connected to the same IB partition , will these load balance to get to the host ?I'm running a Solaris SRP Target and I'm trying to figure our how the...
View ArticleHow can I find SX6036G Switch GUID on CLI?
I purchased 2 of SX6036G Gateway Systems.I met a problem in configure SM at add a Root nodes that switch GUID.I used 4036, 5035 Fabric IT based system that has a Fabric Inspector or ibnetdiscover cli...
View ArticleRe: Trunks, pvlans, infiniband world
Hi, I do have another questionIf I have dual links connected to the same IB partition , will these load balance to get to the host ? I'm running a Solaris SRP Target and I'm trying to figure our how...
View Articlemlnx-en-3.2-1.0.1.1 installation blues
Hi, I use a ConnectX EN MT26448 PCIe 2.0 5GT/s mellanox NIC on ubuntu 14.04 x64. I recently read in a post that mellanox driver is a lot better than stock linux, so I downloaded the latest...
View ArticleRe: MLNX_OFED Update for kernel 3.19 in Ubuntu 14.04.3
Hi, It seems that the driver for DEL1090001019 has been updated. However, if I install the firmware (...
View ArticleRe: Trunks, pvlans, infiniband world
Hi Daniel,Assuming that adaptive routing is not enabled, available paths will be statically balanced, between each pair of Local IDs (LIDs). If only one LID exists on each end of the 2 cables, only...
View ArticleRe: Trunks, pvlans, infiniband world
Hmm, Interesting, I did notice that the Node GUID was different from the Port GUID's So as long as the target address is the node GUID the IB will load balance ? As an example:# ibstat CA 'mlx4_0'...
View ArticleWindows 2012 RDMA Storage Options
Hi, We currently use Solaris and or Linux ZFS storage. We prefer to use SRP but I would be open to using other RDMA options But... by the looks of it, all the OFED storage mechanisms aren't supported...
View ArticleRe: Mellanox OFED QoS and Rate-limit
Hello Jerome,Community post: Infiniband quality of services (QoS) guide Cheers,~Rage
View ArticleRe: Mellanox Technologies MT26468 [ConnectX EN 10GigE, PCIe 2.0 5GT/s...
Hello Robert, What driver version were you using on Xenserver 6.2 SP1 ? If you recompiled before on Xenserver 6.2, you will need to do it again on Xenserver 6.5 SP1.Xenserver has Supplemental Pack...
View ArticleWindows-Linux ConnectX-2 setup
Infiniband newbie here, I'm trying to get a small 2-node HPC cluster going w/ a shared large data space on a separate server. Here's the hardware info: Infiniband cards: HP593412-001 (Mellanox 26428)...
View ArticleHow can I change the protocol per HCA On same ESXi 6 host?
I saw a many complains that MCX354A-FCBT VPI+ETH mode is impossible on vSphere anymore. If there are 2 of CX-3 HCA like MCX353A-FCBT on each ESXi hosts, can I change 2nd HCA to ETH mode?I saw a your...
View ArticleRe: ????????? OFED ?? Ubuntu 14.10 (???????? ? ????????? ???????? ????????)
I've run into the exact same problem.I started with fully patched CentOS 7 on Asus and SuperMicro motherboards using the stock InfiBand software. mst start would not create devices on CentOS 7 -...
View ArticleRe: mlnx-en-3.2-1.0.1.1 installation blues
Hello, it seems like you are running a NIC from an older generation of cards. Please refer to the driver release notes and check if your cards is in the supported matrix :...
View ArticleRe: mlnx-en-3.2-1.0.1.1 installation blues
Hi, Just as I suspected, it is not supported. Nevertheless, latest mlnx-en works ;-)Which driver do you recommend for high sustained throughput? OFED or mlnx-en?What does GT/s mean?Where can i find...
View ArticleRe: mlnx-en-3.2-1.0.1.1 installation blues
Hi, Actually, i'm a bit confused. mlxup v 4.0.0 reports my card as ConnectX2: Querying Mellanox devices firmware ... Device #1:---------- Device Type: ConnectX2 Part Number: 666172-001 Description: HP...
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