Nicolas Ecarnot <nicolas@...> writes: > > Le 20/04/2013 22:55, Itamar Heim a écrit : > > On 03/27/2013 10:38 AM, Nicolas Ecarnot wrote: > >> Le 26/03/2013 12:17, Nicolas Ecarnot a écrit : > >>> Le 25/03/2013 12:10, Nicolas Ecarnot a écrit : > >>>> Le 24/03/2013 09:53, Dafna Ron a écrit : > >>>>> is the vm preallocated or thin provision disk type? > >>>> > >>>> This VM has 3 disks : > >>>> - first disk to host the windows system : Thin provision > >>>> - second disk to store some data : Preallocated > >>>> - third disk to store some more data : Thin provision > >>>> > >>>> I'm realizing that amongst the 15 VMs, only this one and another one > >>>> that is stopped are using preallocated disks. > >>>> I'm regularly migrating some VMs (and stopping and starting and playing > >>>> with them) with no issue, and they all are using thin provisioned > >>>> disks! > >>>> > >>>> Could this be a common factor of the problem? > >>>> > >>>>> > >>>>> also, can you please attach engine, vdsm, libvirt and the vm's qemu > >>>>> logs? > >>>> > >>>> Relevant logs : > >>>> > >>>> ############ > >>>> > >>>> Ok, I'm in the process of collecting the logs and posting them in a > >>>> useable manner. > >>>> > >>>> More to come. > >>> > >>> Ok, once again, I ran a test and observed the relevant logs. > >>> I tried to isolate the time frames, but it may be long for vdsm.log > >>> > >>> Here they are : > >>> * /var/log/libvirt/qemu/serv-chk-adm3.log > >>> http://pastebin.com/JVKMSmxD > >>> * /var/log/libvirtd.log > >>> http://pastebin.com/sWGDCqNh > >>> * /var/log/vdsm/vdsm.log (the BIG one) > >>> http://pastebin.com/bevTEhym > >>> > >>> What I can add to help you help me, is that : > >>> - I saw that all my VM appear as tainted. I did not know what that meant > >>> (but RTFMed since), and this does not appear to disturb the other VMs > >>> - Many VMs including the problematic one have been imported from > >>> ovirt-v2v with now such issue. > >>> - This particular VM was also imported, but the starting point was a > >>> vmdk or ova single file. > >>> - Two additionnal data disks were added > >>> - As I said, this is the only running VM stored as pre allocated. > >>> > >>> Regards, > >>> > >> > >> One suggestion : I see no obvious errors in the log files. Could this > >> paused state happen due to a VM's kernel panic? > >> > > > > is this still relevant? > > It is! > Further investigations from my colleague shown the following facts : > - This VM has 3 disks. Only one of those disks is responsible for the > problem > - In this disk, my coworker has found only 3 files (database files) that > he can do nothing with without leading to the freeze. > - He tried to cat them into /dev/null, and this is leading to the freeze > - He tried to copy them into another disk -> freeze! > > We see absolutely no evidence of a kernel panic. > Rather, this seems to be related to a network bottleneck between the > node and the iSCSI SAN, leading to oVirt unable to sustain a sufficent > bandwidth and freezing the VM. > > Since then, we moved to another solution, but for the sake of opensource > debugging, we did kept the faulty VM for your eyes only :) >
Hi, anyone has answer? I got same issue. I create new vm and cannot start on ovirt node. The status wating for launch long time and vm cannot start. here is vdsm log: VM Channels Listener::DEBUG::2013-06-14 18:32:32,504::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 37. VM Channels Listener::DEBUG::2013-06-14 18:32:32,504::guestIF::95::vm.Vm:: (_connect) vmId=`ffd60b1c-9a3c-4853-88aa-7973f9756c96`::Attempting connection to /var/lib/libvirt/qemu/channels/4000570- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:33,505::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 32. VM Channels Listener::DEBUG::2013-06-14 18:32:33,505::guestIF::95::vm.Vm:: (_connect) vmId=`187f61c9-d81f-491a-b5f0-4798ec6c8342`::Attempting connection to /var/lib/libvirt/qemu/channels/4000565- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:33,505::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 33. VM Channels Listener::DEBUG::2013-06-14 18:32:33,505::guestIF::95::vm.Vm:: (_connect) vmId=`6c3074ae-c752-4622-94e7-a4ca09b252f7`::Attempting connection to /var/lib/libvirt/qemu/channels/4000563- 02.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:33,506::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 35. VM Channels Listener::DEBUG::2013-06-14 18:32:33,506::guestIF::95::vm.Vm:: (_connect) vmId=`20f144cd-f027-4710-a433-dcdc62eec554`::Attempting connection to /var/lib/libvirt/qemu/channels/4000568- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:33,506::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 37. VM Channels Listener::DEBUG::2013-06-14 18:32:33,506::guestIF::95::vm.Vm:: (_connect) vmId=`ffd60b1c-9a3c-4853-88aa-7973f9756c96`::Attempting connection to /var/lib/libvirt/qemu/channels/4000570- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:34,507::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 32. VM Channels Listener::DEBUG::2013-06-14 18:32:34,508::guestIF::95::vm.Vm:: (_connect) vmId=`187f61c9-d81f-491a-b5f0-4798ec6c8342`::Attempting connection to /var/lib/libvirt/qemu/channels/4000565- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:34,508::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 33. VM Channels Listener::DEBUG::2013-06-14 18:32:34,508::guestIF::95::vm.Vm:: (_connect) vmId=`6c3074ae-c752-4622-94e7-a4ca09b252f7`::Attempting connection to /var/lib/libvirt/qemu/channels/4000563- 02.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:34,508::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 35. VM Channels Listener::DEBUG::2013-06-14 18:32:34,509::guestIF::95::vm.Vm:: (_connect) vmId=`20f144cd-f027-4710-a433-dcdc62eec554`::Attempting connection to /var/lib/libvirt/qemu/channels/4000568- 01.com.redhat.rhevm.vdsm VM Channels Listener::DEBUG::2013-06-14 18:32:34,509::vmChannels::104::vds:: (_handle_unconnected) Trying to connect fileno 37. VM Channels Listener::DEBUG::2013-06-14 18:32:34,509::guestIF::95::vm.Vm:: (_connect) vmId=`ffd60b1c-9a3c-4853-88aa-7973f9756c96`::Attempting connection to /var/lib/libvirt/q _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
