RE: [Xen-users] installing DomU with two network bridges viavirt-install

[Steven Timm <timm@xxxxxxxx>]

PS--I should say that in regards to my original question,
if I have two bridges already running on my dom0, it
is possible to install the domU with just one, and then
add the second one post-installation and that works just fine.
I am just wondering if it's possible to use virt-install to
get them both installed from the start.

Steve Timm


On Wed, 1 Apr 2009, Ferreira, N.L. wrote:

> Hey Steven
>
> OUt of curiosity, what is you dom0 configuration (OS and xen ver.)
> I'm struggling to put 2 NICs (& 2 bridges) on a CentOS52 x64, running gitco xen 
> 3.3.1.
>
> Cheers,
> N.
>
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Steven Timm
> Sent: Wed 01-Apr-09 9:42 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] installing DomU with two network bridges viavirt-install
>
>
> I have a Xen DomU configuration that was made in the days before
> libvirt and virt-install.   In this configuration
> I have:
>
> vif = [ 'mac=00:16:3e:05:06:01, bridge=xenbr0', 'mac=00:16:3e:05:06:0a,
> bridge=xenbr1' ]
>
> and then in xend-config.sxp I define
>
> (network-script my-network-bridge)
>
> where my-network-bridge is in the scripts directory and looks like this:
>
> [root@fermigrid6 xen]# more scripts/my-network-bridge
> #!/bin/sh
> # start bridges on both eth0 and eth1
>
> XENDIR="/etc/xen/scripts"
>
> $XENDIR/network-bridge "$@" netdev=eth0 bridge=xenbr0 vifnum=0
> $XENDIR/network-bridge "$@" netdev=eth1 bridge=xenbr1 vifnum=1
>
>
> Is there a way to automate all or part of this with virt-install?
> I'm guessing that I would still have to hack the xend-config.sxp
> to get xenbr0 and xenbr1 started on dom0 in the first place,
> but once that is done, would it be possible to have
> two network interfaces specified via the --bridge argument
> of virt-install, where one would have --bridge=xenbr0 and the other
> would have --bridge=xenbr1?
>
> Thanks
>
> Steve Timm
--
------------------------------------------------------------------
Steven C. Timm, Ph.D  (630) 840-8525
timm@xxxxxxxx  http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.

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