From: Ira Weiny <weiny2-i2BcT+NCU+M@public.gmane.org>
To: chu11-i2BcT+NCU+M@public.gmane.org
Cc: kovlensky-khu2bkKidpXVItvQsEIGlw@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: how to force opensmd to recalculate all paths?
Date: Fri, 19 Feb 2010 09:53:01 -0800 [thread overview]
Message-ID: <20100219095301.4fc02e54.weiny2@llnl.gov> (raw)
In-Reply-To: <1266600846.22111.199.camel-X2zTWyBD0EhliZ7u+bvwcg@public.gmane.org>
On Fri, 19 Feb 2010 09:34:06 -0800
Al Chu <chu11-i2BcT+NCU+M@public.gmane.org> wrote:
> Hi Kovlensky,
>
> I'm unsure of what version of Opensm this was added in, but the opensm
> console (see opensm manpage for console info), there is a "resweep
> [heavy|light]" command. Running "resweep heavy" should do exactly what
> you need.
Alternately, from the man page.
NOTES
When opensm receives a HUP signal, it starts a new heavy sweep as if a trap was received or a topology change was found.
Ira
>
> Al
>
> On Fri, 2010-02-19 at 12:42 +0100, kovlensky-khu2bkKidpXVItvQsEIGlw@public.gmane.org wrote:
> > Hi,
> >
> > My case is simple - opensm does not recalculate paths unless necessary,
> > i.e. one of physical links on the way disappears. I just introduced
> > significant topology changes and need opensm to take them into
> > consideration. New links were added, a lot of them. Is there any way of
> > telling opensm to recalculate all paths? At the moment all new links are
> > happily ignored and i can find no way of doing that live.
> >
> > My vendor has bad habit of asking me to add ib link here and there to
> > nullify bottleneck identified and, well, while all new paths are up, I can
> > find no way of rebalancing paths, so they stay unused.
> >
> > I'm running OFED-1.3.2-20090119-0501, so all ideas for this version or a
> > newer one are welcome.
> >
> > Regards,
> >
> > kovlensky
> >
> >
> > ----------------------------------------------------------------------
> > Szybkie i niedrogie... Tylko dla mezczyzn!
> > Sprawdz >>> http://**link.interia.pl/f25a7
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
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> >
> --
> Albert Chu
> chu11-i2BcT+NCU+M@public.gmane.org
> Computer Scientist
> High Performance Systems Division
> Lawrence Livermore National Laboratory
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
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>
--
Ira Weiny
Math Programmer/Computer Scientist
Lawrence Livermore National Lab
925-423-8008
weiny2-i2BcT+NCU+M@public.gmane.org
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next prev parent reply other threads:[~2010-02-19 17:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-19 11:42 how to force opensmd to recalculate all paths? kovlensky-khu2bkKidpXVItvQsEIGlw
[not found] ` <20100219114252.4060E3D1821-+mlwwcjWEkSOitzWlErfBcT2TbGLZofU@public.gmane.org>
2010-02-19 17:34 ` Al Chu
[not found] ` <1266600846.22111.199.camel-X2zTWyBD0EhliZ7u+bvwcg@public.gmane.org>
2010-02-19 17:53 ` Ira Weiny [this message]
2010-02-19 23:15 ` Hal Rosenstock
-- strict thread matches above, loose matches on Subject: below --
2010-02-23 1:10 kovlensky-khu2bkKidpXVItvQsEIGlw
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