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xen-users
RE: [Xen-users] XEN Infiniband
Hi Houssem,
I think Infiniband passthrough support is already pretty good under Xen which
should allow for reasonably efficient cluster interconnect but I have not tried
it; I'm sure some one else more knowledgeable can answer more accurately on
this.
Currently machine migration is by TCP/IP only. I use IPOIB (IP Over Infiniband)
with Xen migration and it works well (Performance is about the same as 10Gb
Ethernet). If RDMA migration support is added migration performance would be
approx 2 to 4 times faster, it might get considered for Xen 4.0 (I have already
asked), if you would like RDMA migration support then let Stephen Spector know:
stephen.spector@xxxxxxxxxx
You might get very knowledgeable responses on infiniband specific questions
here general@xxxxxxxxxxxxxxxxxxxxx (Avoid asking very generalised questions,
research first!)
Rob
-----Original Message-----
From: medhioub [mailto:houssem.medhioub@xxxxxxxxxxxxxx]
Sent: 23 April 2009 19:43
To: Robert Dunkley
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] XEN Infiniband
Hello
Thank you for your answer
I am looking for the Infiniband for the cluster Interconnect and
more especially for the Virtual machines migration.
With my best greetings
--
Houssem MEDHIOUB
Le Thu, 23 Apr 2009 11:57:48 +0100,
"Robert Dunkley" <Robert@xxxxxxxxx> a écrit :
> I use it for DRBD disk cloning and with IPOIB for Migrations. I have
> requested RDMA Migration support for Xen 4.0 which would allow VERY
> fast VM migration over Infiniband.
>
> What were you looking at using Infiniband for with Xen, Storage?,
> Cluster Interconnect? Migration? General TCP/IP?
>
> Rob
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of medhioub
> Sent: 23 April 2009 11:53
> To: xen-users@xxxxxxxxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] XEN Infiniband
>
> Hello
>
> Is there any experiences about using the Infiniband technologies with
> XEN?
>
> Thank you
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