[openib-general] Dump and load routes with opensm?

Greg Johnson gjohnson at lanl.gov
Thu May 4 09:55:41 PDT 2006


On Thu, May 04, 2006 at 12:39:38PM -0400, Hal Rosenstock wrote:
> Hi Greg,
> 
> On Thu, 2006-05-04 at 12:34, Greg Johnson wrote:
> > Is there currently a way to dump and load routes with opensm?  If not,
> > how would I go about writing one?
> 
> Is it really routes or stable LIDs you want ?

I actually want routes.  I have queried them with ibtraceroute and
ibroute, but we need routes for the whole fabric. 

BTW, if you call ibtraceroute thousands of times it stops working.
Maybe a problem in the MAD driver?


> LIDs are stored in /var/cache/osm/guid2lid and restored from there when
> OpenSM is started assuming the reassign LIDs option (-r or
> --reassign_lids) is not used when invoking OpenSM.

Thanks, that's good to know.

Greg



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