<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div><span>I'm still using the predefined ttylinux from the documentation, so I assume the acpi should be installed and up-to-date, right?</span></div><div><span>It is strange however, because until before the live-migration I was able to perform commands in the VM (via vncviewer), but after live-migrating it seems as if the window is frozen - my commands won't get recognized anymore, and the window just scrolls down when I press enter.</span></div><div><span>Yet, still I can normally ssh the VM.</span></div><div><br><span></span></div><div><span>Using a normal migration however changes the situation. After migrating the VM normally I can't even ping the ip anymore (as described in the last mail). I can still log in via vncviewer, though, but as described above - the window just keeps scrolling down, without accepting any
input.</span></div><div><br><span></span></div><div><span>Any ideas?<br></span></div><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> 12:48 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 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 ymailto="mailto:pqado@yahoo.de" 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 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 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 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 ymailto="mailto:Users@lists.opennebula.org" href="mailto:Users@lists.opennebula.org">Users@lists.opennebula.org</a><br>> <a href="http://lists.opennebula.org/listinfo.cgi/users-opennebula.org" target="_blank">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 href="http://dsa-research.org" target="_blank">http://dsa-research.org</a><br>Globus GridWay Metascheduler: <a href="http://www.GridWay.org" target="_blank">http://www.GridWay.org</a><br>OpenNebula Virtual Infrastructure Engine: <a href="http://www.OpenNebula.org"
target="_blank">http://www.OpenNebula.org</a><br><br><br></div></div></div></body></html>