[Beowulf] Infiniband switch topology display

[John Hearns]

Thankoyu all for the helpful replies.
there are some interesting projects there!

On 19 January 2018 at 17:15, Cyril Bordage <cyril.bordage at inria.fr> wrote:

> Hello,
>
> to see your topology, you can use Netloc from hwloc:
> https://github.com/open-mpi/hwloc
> See the image in attachment.
>
> You need to compile and install the whole project.
> Then, you will have a tool called netloc_ib_gather_raw that will use
> ibnetdiscover to collect data about your Infiniband network.
> This tool needs root access or at least access to the Infiniband device
> file (like ibnetdiscover).
>
> Then you need to convert your ibnetdiscover data into Netloc data with
> netloc_ib_extract_dats.
>
> Once it is done, the last step is to convert Netloc data into json
> format with netloc_draw_to_json.
>
> Now you will be able to open netloc_draw.html in your web browser and
> display your json file.
>
> Contact me if you have any question or problem about using it.
>
> Regards.
>
>
> Cyril.
>
> Le 18/01/2018 à 23:07, Brice Goglin a écrit :
> >
> >
> >
> > -------- Message transféré --------
> > Sujet :       Re: [Beowulf] Infiniband switch topology display
> > Date :        Tue, 16 Jan 2018 16:53:13 -0500
> > De :  Bill Abbott <babbott at oarc.rutgers.edu>
> > Pour :        beowulf at beowulf.org
> >
> >
> >
> > OSU's INAM is free and graphical.
> >
> > Bill
> >
> > On 1/16/18 12:18 PM, Alex Chekholko via Beowulf wrote:
> >> Hi John,
> >>
> >> My Mellanox knowledge is some years out of date, but Mellanox makes a
> >> proprietary and expensive monitoring tool with a GUI. I believe it has a
> >> 30-day trial mode, so you can install it and try it. And I think it
> >> displays a graphical view of your topology.
> >>
> >> But typically you would just use ibnetdiscover, e.g.
> >> https://community.mellanox.com/docs/DOC-2379
> >> <https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fcommunity.mellanox.com%2Fdocs%2FDOC-
> 2379&data=02%7C01%7Cbabbott%40rutgers.edu%7Cf143cb999eb94c7f464808d55d05
> 4008%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C0%
> 7C636517199498683449&sdata=XOFgx4HgaddvLloo60SbWHWMXOnNbe
> I1Eet%2BFXv157k%3D&reserved=0>
> >>
> >> Regards,
> >> Alex
> >>
> >> On Tue, Jan 16, 2018 at 2:37 AM, John Hearns via Beowulf
> >> <beowulf at beowulf.org <mailto:beowulf at beowulf.org>> wrote:
> >>
> >>     I may hav easked this quesiton in the past.
> >>     Does anyone know of a utility to display Infiniband switch topology
> >>     and the links between switches?
> >>
> >>     I am familiar with the command line tools, I more mean taking the
> >>     outout of these tools and making a graphical plot.
> >>
> >>     John H
> >>
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> >>
> >>
> >>
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