[one-users] VM status is runn but it doesn't make contact

Carlos Martín Sánchez cmartin at opennebula.org
Thu Jun 21 06:14:32 PDT 2012


Hi,

You don't need to start the VNC server inside the guest OS, OpenNebula can
create a VNC connection directly to the hypervisor. To do that, use the
GRAPHICS attribute [1]. You can then connect to the Host's IP, or just
click the VNC icon in Sunstone.

Regards

[1] http://opennebula.org/documentation:rel3.4:template#i_o_devices_section

--
Carlos Martín, MSc
Project Engineer
OpenNebula - The Open-source Solution for Data Center Virtualization
www.OpenNebula.org | cmartin at opennebula.org |
@OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>



On Wed, Jun 20, 2012 at 9:52 PM, Erico Augusto Cavalcanti Guedes <
eacg at cin.ufpe.br> wrote:

> Dears,
>
> after almost one month nothing changes...
>
> 2012/5/28 cloud.b.lab <cloud.b.lab at zoho.com>
>
> **
>> Erico,
>>
>> Quick cross checks:
>>
>> Try connecting to the VM using VNC and check if the IP assigned is same
>> as the one below [Hope you are using Contextualization].
>>
> It isn't possible to use VNC if I'm not able to ping, nmap or ssh the
> image.
>
>
>> See if the ICMP protocol is blocked.
>>
> No, it isn't ... running image through virtualbox, I'm able to ping, nmap
> and ssh the image.
>
>
>> Try by switching off the firewall
>>
>
> Firewall has no rules:
> $ sudo iptables -L
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
>
> But, now, it's clear that the problem is with our image. When configure
> and run ttyimage, all works fine. Nevertheless, we use our image on ON 2.1
> and it works fine. It's all customized image, with all applications
> installed and running. We simple do not have any creative ideas to solve
> the problem ... we try everything possible, and we can not connect image.
>
> any further suggestions?
>
> thanks a lot,
>
> Erico.
>
>
>>
>> Regards,
>> anil.
>>
>> ---- On Mon, 28 May 2012 18:12:24 -0700 *Erico Augusto Cavalcanti Guedes
>> <eacg at cin.ufpe.br>* wrote ----
>>
>> Dears OpenNebula Users,
>>
>> $ /srv3/cloud/one/bin/onevm list
>>     ID USER     GROUP    NAME         STAT CPU     MEM
>> HOSTNAME        TIME
>>     11 oneadmin oneadmin CloudProxy   runn   0    128M      mc3-node03
>> 3d 04:02
>>
>> $ tail -n 6 /srv3/cloud/one/var/11/vm.log
>> Mon May 28 20:59:39 2012 [VMM][I]: ExitCode: 0
>> Mon May 28 20:59:39 2012 [VMM][D]: Monitor Information:
>>     CPU   : 0
>>     Memory: 131072
>>     Net_TX: 0
>>     Net_RX: 489564544
>>
>> $ /srv3/cloud/one/bin/onevm show 11
>> ...
>> NIC=[
>>   BRIDGE="br0",
>>    IP="192.168.15.2",
>>   MAC="02:00:c0:a8:0f:02",
>>    NETWORK="Modcs",
>>   NETWORK_ID="0",
>>    VLAN="NO" ]
>> ...
>>
>> ifconfig from frontend
>> $ ifconfig
>> br0       Link encap:Ethernet  HWaddr 00:1f:d0:e2:4e:b9
>>            inet addr:192.168.15.254  Bcast:192.168.15.255
>> Mask:255.255.255.0
>> ...
>>
>> eth0      Link encap:Ethernet  HWaddr 00:1f:d0:e2:4e:b9
>>           inet addr:192.168.15.200  Bcast:0.0.0.0  Mask:255.255.255.0
>>  ...
>>
>>
>> As can be viewed, VM status is runn and it is logging, but no contact can
>> be made with it:
>>
>> $ ping 192.168.15.2
>> PING 192.168.15.2 (192.168.15.2) 56(84) bytes of data.
>> From 192.168.15.254 icmp_seq=1 Destination Host Unreachable
>> From 192.168.15.254 icmp_seq=2 Destination Host Unreachable
>> From 192.168.15.254 icmp_seq=3 Destination Host Unreachable
>>
>> bridge, datastore, vnet and image are properly created and tested.
>> I used arp-scan, trying to visualize VM IP, but it doesn't works.
>>
>> Some advices?
>>
>> Thanks,
>>
>> Erico.
>>
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>>
>
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>
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