# [OmniOS-discuss] Ang: Re: Ang: Re: infiniband

Ian Kaufman ikaufman at eng.ucsd.edu
Fri Oct 24 15:35:54 UTC 2014

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    I wonder if Nexenta has added more/better support for IB? I believe
    that Illumian 1.0 is finally out (after having run the Alpha for
    years), and I know that they did have some interest in supporting IB
    originally. If they have, then I would hope some of that support would
    make it back upstream.

    Mayhaps I have an email to send out ...

    Ian

    On Fri, Oct 24, 2014 at 7:58 AM, Ian Kaufman <ikaufman at eng.ucsd.edu> wrote:
    > I use a QLogic 12300 with SM built in. I haven't had any issues,
    > saving my cluster frontend's cycles for other things.
    >
    > Ian
    >
    > On Fri, Oct 24, 2014 at 7:55 AM, Michael Rasmussen <mir at miras.org> wrote:
    >> On Fri, 24 Oct 2014 13:17:39 +0200
    >> Johan Kragsterman <johan.kragsterman at capvert.se> wrote:
    >>
    >>>
    >>> Well, I can only find one person in that thread that BELIEVES that running SM on a switch is preferable to run OpenSM software. He hardly comes with any documentation of this, and I can't see any other that agrees...
    >>>
    >>> But of coarse, if you provide too little resources for OpenSM it will cause problems, or if you have any problems with the S/W or the configuration...
    >>>
    >> I think the issue here is that OpenSM is a single threaded application
    >> so when the CPU which is assigned to it maxes out performance will
    >> drop. So I guess it comes down to a trade-off between the
    >> performance of the host CPU and the performance of the switch hardware.
    >>
    >> --
    >> Hilsen/Regards
    >> Michael Rasmussen
    >>
    >> Get my public GnuPG keys:
    >> michael <at> rasmussen <dot> cc
    >> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E
    >> mir <at> datanom <dot> net
    >> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
    >> mir <at> miras <dot> org
    >> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
    >> --------------------------------------------------------------
    >> /usr/games/fortune -es says:
    >> The default Magic Word, "Abracadabra", actually is a corruption of the
    >> Hebrew phrase "ha-Bracha dab'ra" which means "pronounce the blessing".
    >>
    >> _______________________________________________
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    >>
    >
    >
    >
    > --
    > Ian Kaufman
    > Research Systems Administrator
    > UC San Diego, Jacobs School of Engineering ikaufman AT ucsd DOT edu

    --
    Ian Kaufman
    Research Systems Administrator
    UC San Diego, Jacobs School of Engineering ikaufman AT ucsd DOT edu

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