[one-users] Little help with first building cloud

matheus tor4 matheusifal at gmail.com
Thu Dec 22 16:41:50 PST 2011


Guys, one more doubt.

I didn't get access to my running VM at the moment.
If I'm not mistaken, the well-known ways to get access are ssh and vnc.
As far I know the access will granted by bridge iface.
But, at the moment I have trouble with my bridged network.

See this

When the host* is not running VMs* I got this
oneadmin at ...$ brctl show
bridge name    bridge id        STP enabled    interfaces
virbr0        8000.000000000000    yes

And When the host *is running VMs* I got this
oneadmin at ...$ brctl show
bridge name    bridge id        STP enabled    interfaces
virbr0        8000.fe00c0a80001    yes        vnet0

looking the ifconfig in the host that runs VMs I see:

eth0 and loopback...
virbr0    Link encap:Ethernet  Endere o de HW fe:00:c0:a8:00:01
          inet end.: 192.168.122.1  Bcast:192.168.122.255
Masc:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  M trica:1
          pacotes RX:10 erros:0 descartados:10 excesso:0 quadro:0
          Pacotes TX:0 erros:0 descartados:0 excesso:0 portadora:0
          colis es:0 txqueuelen:0
          RX bytes:460 (460.0 B) TX bytes:0 (0.0 B)

vnet0     Link encap:Ethernet  Endere o de HW fe:00:c0:a8:00:01
          endere o inet6: fe80::fc00:c0ff:fea8:1/64 Escopo:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  M trica:1
          pacotes RX:5 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:1157 erros:0 descartados:0 excesso:0 portadora:0
          colis es:0 txqueuelen:500
          RX bytes:300 (300.0 B) TX bytes:60852 (60.8 KB)

If we look close we see that vnet has no ip address.

My doubt is - Is the virbr0 must be aim to eth0 instead of vnet0?
                  - What the most painless way to configure bridge network?

Thanks in advance.



On Tue, Dec 20, 2011 at 1:32 PM, matheus tor4 <matheusifal at gmail.com> wrote:

> Fabian, I solved the problem. Thanks to #opennebula channel on Freenode.
>
> I remove the hosts, then put it again, so the hosts will monitored
> sucessfully!
>
> Thanks for the help.
>
> Now I go running a test VM.
>
> See you later!
>
>
>
> On Tue, Dec 20, 2011 at 1:08 PM, Fabian Wenk <fabian at wenks.ch> wrote:
>
>> Hello Matheus
>>
>>
>> On 20.12.2011 14:41, matheus tor4 wrote:
>>
>>> At the moment I got this error message:
>>>
>>> Tue Dec 20 10:20:09 2011 [InM][I]: Monitoring host PacsOnCloud-FrontEnd
>>> (0)
>>> Tue Dec 20 10:20:10 2011 [InM][I]: Command execution fail: 'if [ -x
>>> "/var/tmp/one/im/run_probes" ]; then /var/tmp/one/im/run_probes kvm 0
>>> PacsOnCloud-FrontEnd; else                              exit 42; fi'
>>> Tue Dec 20 10:20:10 2011 [InM][I]: ExitCode: 42
>>> Tue Dec 20 10:20:10 2011 [InM][E]: Error monitoring host 0 : MONITOR
>>> FAILURE 0 -
>>>
>>
>> Is your sunstone server running on the same system as the front-end? With
>> which user is sunstone running, as root or as oneadmin?
>>
>> Is root from the front-end also able to password less login to the
>> cluster nodes?
>>
>>
>>
>> bye
>> Fabian
>> ______________________________**_________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/**listinfo.cgi/users-opennebula.**org<http://lists.opennebula.org/listinfo.cgi/users-opennebula.org>
>>
>
>
>
> --
> Matheus Torquato
> Undergraduate in Computer Science
> Federal University of Alagoas
>
>


-- 
Matheus Torquato
Undergraduate in Computer Science
Federal University of Alagoas
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