On 6/12/08, Olga Shern (Voltaire) <[EMAIL PROTECTED]> wrote: > > > > On 6/12/08, Hal Rosenstock <[EMAIL PROTECTED]> wrote: >> >> On Tue, 2008-06-10 at 05:59 +0300, Sasha Khapyorsky wrote: >> > Basically this addresses the problem described by Al Chu in: >> > >> > http://lists.openfabrics.org/pipermail/general/2008-April/049132.html >> > >> > When base lid paths become completely disbalanced on a fabrics with >> > lmc > 0. >> > >> > One feedback was from Yiftah Shahar: >> > >> > "I think that our requirements should be that even when you are working >> > with LMC>0 then the base LID routing should not be affected. >> >> > One way to achieve this goal is to first run the base-LID routing (so >> > all base LID improvement will be also in LMC>0) and then start with the >> > other LIDs as round-robbing starting from the base-lid-port + 1 >> > according current routing algorithm rules (keeping min-hop, >> up/down...)." >> > >> > We had some discussion with Al and Yiftah about this and considered that >> > in addition to "pure" base lid paths preservation (which is good thing >> by >> > itself) proposed method solves original lid disbalancing problem as >> well. >> >> Would you elaborate on the motivation behind the requirement to >> maintain/preserve the base LID routing ? >> >> -- Hal > > > LMC > 0 is mainly used by MPI, all other protocols / applications will use > only one LID (PATH), therefore we should make sure that performance of > these protocols / applications will not be effected if fabric is configured > with LMC > 0 >
I meant "affected" and not "effected" of course _______________________________________________ >> general mailing list >> [email protected] >> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general >> >> To unsubscribe, please visit >> http://openib.org/mailman/listinfo/openib-general >> > >
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