Hi all, I ask you an opinion about RDMA driver cxgb3 and cxb4.
I installed two NetEffect Intel cards on machines with OS Linux and driver cxgb3. Please see the detail below: [r...@redigo-01 ~]# find / -name cxgb3 /sys/module/cxgb3 /sys/bus/pci/drivers/cxgb3 /usr/src/kernels/2.6.18-164.15.1.el5-x86_64/drivers/net/cxgb3 /usr/src/kernels/2.6.18-164.15.1.el5-x86_64/drivers/infiniband/hw/cxgb3 /usr/src/kernels/2.6.18-164.15.1.el5-x86_64/include/config/scsi/cxgb3 /usr/src/kernels/2.6.18-164.2.1.el5-x86_64/drivers/net/cxgb3 /usr/src/kernels/2.6.18-164.2.1.el5-x86_64/drivers/infiniband/hw/cxgb3 /usr/src/kernels/2.6.18-164.2.1.el5-x86_64/include/config/scsi/cxgb3 /usr/src/ofa_kernel-1.5.2/drivers/net/cxgb3 /usr/src/ofa_kernel-1.5.2/drivers/infiniband/hw/cxgb3 /lib/modules/2.6.18-164.2.1.el5/updates/kernel/drivers/net/cxgb3 /lib/modules/2.6.18-164.2.1.el5/updates/kernel/drivers/infiniband/hw/cxgb3 /lib/modules/2.6.18-164.2.1.el5/kernel/drivers/net/cxgb3 /lib/modules/2.6.18-164.2.1.el5/kernel/drivers/infiniband/hw/cxgb3 /lib/modules/2.6.18-164.15.1.el5/kernel/drivers/net/cxgb3 /lib/modules/2.6.18-164.15.1.el5/kernel/drivers/infiniband/hw/cxgb3 [r...@redigo-01 ~]# find / -name cxgb4 [r...@redigo-01 ~]# I read a lot of emails about cxgb4, but I have not installed. Could cxgb4 give an improvement on transfer speed or latency? I think the answer is negative, but ... What is the gain for RDMA over Ethernet at 10 Gbit/s performance - if there is - to install cxgb4 instead of cxgb3? Ideas or suggestions are welcome. Thank you very much, Andrea Gozzelino INFN - Laboratori Nazionali di Legnaro (LNL) Viale dell'Universita' 2 -I-35020 - Legnaro (PD)- ITALIA Office: E-101 Tel: +39 049 8068346 Fax: +39 049 641925 Mail: [email protected] Cell: +39 3488245552 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
