[openib-general] point to point connections

[Dan Bar Dov]

Using this setup, you'll be getting IPoIB performance out of the iSCSI P2P.
While decent, it is nowhere near the performance you can get by really
using IB capabilities, namely RDMA.
With IPOIB the itarget initiator will still do all the IP processing
as well as extra data copies.

Dan


On 03 Mar 2006 12:07:16 -0500, Hal Rosenstock <halr at voltaire.com> wrote:
> On Fri, 2006-03-03 at 12:03, Fabian Tillier wrote:
> > On 3/3/06, Damaru <damaru at damaru.org> wrote:
> > > Hello All,
> > >
> > > I am planning to setup an iSCSI target and an iSCSI initiator via
> > > infiniband in point to point mode. is it possible with two linux
> > > machines to connect in p2p ? what hardware and software do I need?
> >
> > Yes, it is possible.  You'll need an HCA in each system, a cable to
> > connect the two.  Beside the IB stack, you'll need to run OpenSM on
> > one of the nodes to bring the ports active.
>
> and use IPoIB underneath iSCSI. Is there an open source iSCSI target ?
>
> Once there is an open source iSER target, you will be able to do this
> with iSER too.
>
> -- Hal
>
> > - Fab
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