On 04/30/2011 02:41 AM, Fajar A. Nugraha wrote:
> On Sat, Apr 30, 2011 at 5:08 AM, Digimer <linux@xxxxxxxxxxx> wrote:
>> Hi all,
>>
>> While trying to sort out/test some patches, I was told that it's best
>> to create bridges manually in
>> /etc/sysconfig/network-scripts/ifcfg-xenbr*. I did this, commented out
>> (network-script network-bridge) and restarted the network and Xen.
>
> Did you restart the dom0?
Yup. :)
>> # virt-install --connect xen --name vm0002_pppoe --ram 2048 --arch
>> x86_64 --vcpus 1 --cpuset 1-7 --location http://10.255.0.1/f9/x86_64/img
>> --os-type linux --os-variant rhel5.4 --disk
>> path=/dev/drbd_x4_vg0/vm0002_1 --network bridge=xenbr0 --network
>> bridge=xenbr2 --vnc --paravirt --debug
>
> Do you have xenbr0 and xenbr2 bridge?
Yup.
>> Fri, 29 Apr 2011 17:32:12 DEBUG Requesting libvirt URI xen
>> Fri, 29 Apr 2011 17:32:12 ERROR unable to connect to
>> 'localhost:8000': Connection refused
>
> The message should be clear. Is xend running? Is it listening on port
> 8000 (try "netstat -anp")?
>
>> Thinking that I still needed to use '(network-script network-bridge)',
>> so I put it back (actually, a modified version I will link below). When
>> I start xend after putting it back, I got such an incredible flood that
>> all network communications were lost on the network. Obviously, I'm
>> reluctant to randomly try things now.
>
> Duh :P
>
> That's part of the reason why I asked "did you restart the dom0".
> "service network restart" does not necessarily do what you think it
> should do (for example, it determines what interface to take up/down
> based on config file, not what interface is actually up).
Ya... I've long gotten into the habit of rebooting my test nodes
whenever I played with Xen's networking for just this reason.
>> So, if I manually build the bridges, how am I supposed to configure
>> Xen to use them?
>
> I simply modify Xen config file (/etc/xen/*) to use the bridge I
> created (on vif line).
I finally got this sorted out, and here is the new patch and comments on
what was needed to make it work:
https://bugzilla.redhat.com/show_bug.cgi?id=697021#c11
Thanks for the reply!
--
Digimer
E-Mail: digimer@xxxxxxxxxxx
AN!Whitepapers: http://alteeve.com
Node Assassin: http://nodeassassin.org
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