<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt">Okay, I just found out that after suspending/resuming my VM doesn't work as well! Slowly it's becoming obvious that I'm having problems with ACPI...<br><br>Please help!<br><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"><div id="yiv1903396601"><div style="color:#000;background-color:#fff;font-family:arial, helvetica, sans-serif;font-size:10pt;"><div><br></div><div style="font-family:arial, helvetica, sans-serif;font-size:10pt;"><div style="font-family:times new roman, new york, times, serif;font-size:12pt;"><font face="Arial" size="2"><hr size="1"><b><span style="font-weight:bold;">Von:</span></b> Javier Fontan <jfontan@gmail.com><br><b><span style="font-weight:bold;">An:</span></b> Adnan Pasic
<pqado@yahoo.de><br><b><span style="font-weight:bold;">Cc:</span></b> "users@lists.opennebula.org" <users@lists.opennebula.org><br><b><span style="font-weight:bold;">Gesendet:</span></b> 13:15 Mittwoch, 27.Juli 2011 <br><b><span style="font-weight:bold;">Betreff:</span></b> Re: [one-users] ping stops working after a normal migration<br></font><br>The ttylinux we provide does not have acpi drivers so that is the<br>problem you are facing. We've chosen that distro to test deployments<br>and contextualization for its size, not completeness. Can you try the<br>migrations using another distro with acpi properly setup?<br><br>On Wed, Jul 27, 2011 at 1:04 PM, Adnan Pasic <<a rel="nofollow" ymailto="mailto:pqado@yahoo.de" target="_blank" href="mailto:pqado@yahoo.de">pqado@yahoo.de</a>> wrote:<br>> I'm still using the
predefined ttylinux from the documentation, so I assume<br>> the acpi should be installed and up-to-date, right?<br>> It is strange however, because until before the live-migration I was able to<br>> perform commands in the VM (via vncviewer), but after live-migrating it<br>> seems as if the window is frozen - my commands won't get recognized anymore,<br>> and the window just scrolls down when I press enter.<br>> Yet, still I can normally ssh the VM.<br>> Using a normal migration however changes the situation. After migrating the<br>> VM normally I can't even ping the ip anymore (as described in the last<br>> mail). I can still log in via vncviewer, though, but as described above -<br>> the window just keeps scrolling down, without accepting any input.<br>> Any ideas?<br>><br>> ________________________________<br>> Von: Javier Fontan <<a rel="nofollow" ymailto="mailto:jfontan@gmail.com" target="_blank"
href="mailto:jfontan@gmail.com">jfontan@gmail.com</a>><br>> An: Adnan Pasic <<a rel="nofollow" ymailto="mailto:pqado@yahoo.de" target="_blank" href="mailto:pqado@yahoo.de">pqado@yahoo.de</a>><br>> Cc: "<a rel="nofollow" ymailto="mailto:users@lists.opennebula.org" target="_blank" href="mailto:users@lists.opennebula.org">users@lists.opennebula.org</a>" <<a rel="nofollow" ymailto="mailto:users@lists.opennebula.org" target="_blank" href="mailto:users@lists.opennebula.org">users@lists.opennebula.org</a>><br>> Gesendet: 12:48 Mittwoch, 27.Juli 2011<br>> Betreff: Re: [one-users] ping stops working after a normal migration<br>><br>> The problem could but that your machine is frozen after resume. It can<br>> be caused because it did not receive or did anything with the acpi<br>> message telling it is awake again. Can you check using vnc that the VM<br>> is running after migration? Also check that acpi is installed in
that<br>> VM<br>><br>> Cheers<br>><br>><br>> On Tue, Jul 26, 2011 at 11:04 AM,
Adnan Pasic <<a rel="nofollow" ymailto="mailto:pqado@yahoo.de" target="_blank" href="mailto:pqado@yahoo.de">pqado@yahoo.de</a>> wrote:<br>>> Hello guys,<br>>> maybe you can help me with following issue. I have created a little cloud<br>>> with a host and two worker nodes. The setup went successfully until now, I<br>>> am able to create VM's and move them via normal and live migration.<br>>> Another (possibly) important information is that I configured my virtual<br>>> bridge on both worker nodes like this:<br>>><br>>> auto br0<br>>> iface br0 inet static<br>>> address 192.168.0.[2|3]<br>>> netmask 255.255.255.0<br>>> network 192.168.0.0<br>>> broadcast 192.168.0.255<br>>> #gateway
192.168.0.1<br>>>
bridge_ports eth0<br>>> bridge_stp on<br>>> bridge_maxwait 0<br>>><br>>> The command "brctl show" gives me following things back:<br>>><br>>> bridge name bridge id STP enabled interfaces<br>>> br0 8000.003005c34278 yes eth0<br>>> vnet0 (<- only appears<br>>> on<br>>> node with running VM)<br>>><br>>> virbr0
8000.000000000000 yes<br>>><br>>> According to the libvirt wiki this setting is good as is. However, the<br>>> issue<br>>> I'm having is that when I create a VM and assign a static IP to it, which<br>>> looks like e.g. 192.168.0.5,<br>>> I<br>>> firstly am able to ping this VM from both worker nodes, and also when I<br>>> perform a live migration the ping stops for a few seconds (until the nodes<br>>> realize the new route to this VM) and then starts pinging normally again.<br>>><br>>> However, when I perform a normal migration the ping doesn't recover<br>>> anymore,<br>>> but answers repeatedly with: Destination Host Unreachable<br>>><br>>> Do you know what could be the problem? Where is the difference between a<br>>> normal and live migration and how can the ping after live migrating still<br>>> work,
but after a normal migration not?<br>>><br>>> Thanks a lot!<br>>> Regards, Adnan<br>>><br>>> _______________________________________________<br>>> Users mailing list<br>>> <a rel="nofollow" ymailto="mailto:Users@lists.opennebula.org" target="_blank" href="mailto:Users@lists.opennebula.org">Users@lists.opennebula.org</a><br>>> <a rel="nofollow" target="_blank" href="http://lists.opennebula.org/listinfo.cgi/users-opennebula.org">http://lists.opennebula.org/listinfo.cgi/users-opennebula.org</a><br>>><br>>><br>><br>><br>><br>> --<br>> Javier Fontan, Grid & Virtualization Technology Engineer/Researcher<br>> DSA Research Group: <a rel="nofollow" target="_blank" href="http://dsa-research.org">http://dsa-research.org</a><br>> Globus GridWay Metascheduler: <a rel="nofollow" target="_blank" href="http://www.GridWay.org">http://www.GridWay.org</a><br>> OpenNebula Virtual
Infrastructure Engine: <a rel="nofollow" target="_blank" href="http://www.OpenNebula.org">http://www.OpenNebula.org</a><br>><br>><br>><br><br><br><br>-- <br>Javier Fontan, Grid & Virtualization Technology Engineer/Researcher<br>DSA Research Group: <a rel="nofollow" target="_blank" href="http://dsa-research.org">http://dsa-research.org</a><br>Globus GridWay Metascheduler: <a rel="nofollow" target="_blank" href="http://www.GridWay.org">http://www.GridWay.org</a><br>OpenNebula Virtual Infrastructure Engine: <a rel="nofollow" target="_blank" href="http://www.OpenNebula.org">http://www.OpenNebula.org</a><br><br><br></div></div></div></div><br><br></div></div></div></body></html>