On 2 April 2012 06:49, Doug Ledford <dledf...@redhat.com> wrote: > I'm fine with this change. If people agree, I'll "make it so" in our > products. > > Sent from my ASUS Eee Pad > > Ira Weiny <wei...@llnl.gov> wrote: > > First, a question: what package installs the openibd script in OFED? For the > life of me I can't find this script in 1.5.4.1 or 3.2 ... :-/ [*] > > Right now the "standard" for node description is, AFAIK, "<hostname> > HCA-<num>", > where num is simply a counter for the HCA's as they are found in > /sys/class/infiniband. > > The problem is resolving this "random" HCA number to an actual HCA on the > host. I thought about including the node description in ibstat but that seems > a bit short sighted. I think the better solution would be to append the hca > name (ie mlx4_X, qibX, etc) to the hostname for the Node Description. > > Hacking the RHEL start up script is really easy to do this and results in nice > names on the fabric which are easily resolved by the infiniband-diags, > ibverbs, and perftest utilities. > > bash-4.1# ibhosts > Ca : 0x0002c90300325280 ports 1 "ending mlx4_2" > Ca : 0x001175000079da38 ports 1 "happy qib0" > Ca : 0x0002c90300108f2e ports 1 "ending mlx4_1" > Ca : 0x001175000077d90e ports 2 "ending qib0" > Ca : 0x0002c903004bebda ports 2 "happy mlx4_0" > bash-4.1# hostname > happy > bash-4.1# ibstat mlx4_0 > CA 'mlx4_0' > CA type: MT26428 > Number of ports: 2 > Firmware version: 2.8.600 > ... > bash-4.1# ibv_rc_pingpong -d mlx4_0 > local address: LID 0x0008, QPN 0x16004a, PSN 0x2e8316 > ... > bash-4.1# rdma_bw -d mlx4_0 > 6089: | port=18515 | ib_port=1 | size=65536 | tx_depth=100 | sl=0 | > iters=1000 | duplex=0 | cma=0 | > ... > > I realize this is really a distro thing but it would be nice if we could agree > to change the current "standard". > > I can send a patch for RHEL and OFED (if I someone can point me to the openibd > script or srpm). > > Thoughts? > Ira > > > [*] Last I knew openibd does the same as RHEL's rdma start up script in this > regard. > > -- > Ira Weiny > Member of Technical Staff > Lawrence Livermore National Lab > 925-423-8008 > wei...@llnl.gov > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
I have been doing something similar for a while. Joseph. -- Founder | Director | VP Research Orion Virtualisation Solutions | www.orionvm.com.au | Phone: 1300 56 99 52 | Mobile: 0428 754 846 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
