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Re: [Xen-devel] Xen and Infiniband as dom0 (only)

To: Xavier Beaudouin <xb@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen and Infiniband as dom0 (only)
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 16 Mar 2010 17:56:43 +0200
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On Mon, Mar 15, 2010 at 01:29:54PM +0100, Xavier Beaudouin wrote:
> Hello there,
> I am trying to make infiniband working on a dom0.  To allow me fast access to 
> storage, and fast migration between hypervisor.
> I still don't want to do Ib as Hypervisor Accelerator and specialy what is 
> shown on slide 12 of this paper : 
> http://xen.org/files/Xen_Virtualization_InfiniBand_Mellanox_MKagan.pdf, but I 
> need rdma to get fast access to storage :
> - iSer (eg iscsi over infiniband)
> - RDMA for NFS over RDMA or stuff like this.
> On my host, without Xen (F12, with myoung kernel backported, xen 4.0.0-rc6 
> and OFED 1.5.1-RC4), I can use correctly ipoib (IP over IB), but rdma is 
> still broken.
> Is there any people that has made dom0 IB working that can me some hints 
> about what I have to fix ?

Well what actually is the problem? 
What kind of errors do you get? 

-- Pasi

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