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Subject: Re: [hwloc-devel] hwloc-1.0.2 on SLES11SP2 does not honor cpuset constraints
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2010-08-09 07:47:24

On Aug 9, 2010, at 7:41 AM, Bernd Kallies wrote:

> > Just curious: how can you have OFED installed without libibverbs?
> As far as I know, with SLES11 the OFED things are provided via rpms, and
> one may install them withour ibverbs. The installation itself is done by
> our vendor. And since our vendor believed we don't need ibverbs, they
> did not install it (by default). This made sense, because these machines
> are big SMP machines, which need IB for Lustre only. MPI is done fully
> via shared memory with a library that is proprietary to the vendor
> (SGI).

We're going a bit OT for the hwloc list, but that still sounds weird to me. Doesn't Lustre use libibverbs? libibverbs is the C API interface to iWARP/IB.

...or is Lustre using IPoIB? (in which case nothing is using "native" iWARP/IB API access)

Jeff Squyres
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