On 12/09/2015 01:22 PM, Jason Gunthorpe wrote: > On Wed, Dec 09, 2015 at 05:13:49PM +0000, Hefty, Sean wrote: > >> Example: Compute nodes are assigned pkeys 0x8000 and 0x7fff. A node >> running the job scheduler has pkeys 0xffff and 0x8000 (maybe it's >> also the backup SA). Ibacm would need to select pkey 0x8000 for >> communication. > > I've also seen the reverse, eg 0xFFFF is used for default ipoib > communication and 0x8001 is assigned to only some nodes as a child > vlan.
That's what I use internally in our test lab.
> Choosing 0x8001 in that case won't work either.
Nope. The suggestion here would break our setup. Well, *would* being
the operative word where what I mean is would if we used ibacm. But
that's a story for another email...
--
Doug Ledford <dledf...@redhat.com>
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