[one-users] live migration fails on ubuntu 11.04

[Javier Fontan]

I cannot see any info that leads me to find the problem. Have you
tried migrating VM's manually, that is, using libvirt/kvm manually,
not OpenNebula. Also check that both machines have the same processor
and libvirt/kvm versions.

On Fri, Jun 17, 2011 at 5:58 PM, samuel <samu60 at gmail.com> wrote:
>
> The error happened to be a wrong entry in the file /etc/hosts, where the
> remote node's IP was set to the local one and there were several errors.
>
> However, it is not yet possible to perform live migration on the same
> escenario (normal migration works perfectly), I always end up with the
> following error:
> Fri Jun 17 17:47:58 2011 [LCM][I]: New VM state is MIGRATE
> Fri Jun 17 17:51:09 2011 [VMM][I]: Command execution fail: 'if [ -x
> "/var/tmp/one/vmm/kvm/migrate" ]; then /var/tmp/one/vmm/kvm/migrate one-21
> node2; else                              exit 42; fi'
> Fri Jun 17 17:51:09 2011 [VMM][I]: STDERR follows.
> Fri Jun 17 17:51:09 2011 [VMM][I]: error: operation failed: migration job:
> unexpectedly failed
> Fri Jun 17 17:51:09 2011 [VMM][I]: ExitCode: 1
> Fri Jun 17 17:51:09 2011 [VMM][E]: Error live-migrating VM, error: operation
> failed: migration job: unexpectedly failed
> Fri Jun 17 17:51:09 2011 [LCM][I]: Fail to life migrate VM. Assuming that
> the VM is still RUNNING (will poll VM).
>
> This is the output of the file /var/log/libvirt/qemu/one-21.log
> 2011-06-17 17:48:02.232: starting up
> LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
> QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.14 -cpu qemu32 -enable-kvm -m
> 2048 -smp 1,sockets=1,cores=1,threads=1 -name one-21 -uuid
> b9330d8d-3d2e-666a-c9e5-5e32e81c29dc -nodefconfig -nodefaults -chardev
> socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-21.monitor,server,nowait
> -mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot c
> -drive
> file=/srv/cloud/one/var//21/images/disk.0,if=none,id=drive-ide0-0-0,format=raw
> -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev
> tap,fd=18,id=hostnet0 -device
> rtl8139,netdev=hostnet0,id=net0,mac=02:00:c0:a8:32:03,bus=pci.0,addr=0x3
> -usb -vnc 0.0.0.0:21 -vga cirrus -incoming tcp:0.0.0.0:49152 -device
> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
> 2011-06-17 17:51:11.997: shutting down
>
> And on /var/log/syslog, the folloing line:
> Jun 17 17:51:46 node2 libvirtd: 17:51:46.798: 1200: error :
> qemuDomainWaitForMigrationComplete:4218 : operation failed: migration job:
> unexpectedly failed
>
> Can anyone provide help on this issue? How can I debug the live migration?
>
> Thank you very much in advance,
> Samuel.
>
> On 7 June 2011 17:22, samuel <samu60 at gmail.com> wrote:
>>
>> Hi folks,
>>
>> After few tricks to the standard configuration (controller exporting via
>> NFS opennebula directories to 2 other nodes) seems to work except for one
>> point: live migration.
>>
>> When starting live migration (from sunstone web interface), the following
>> problem appears:
>>
>> Tue Jun  7 17:12:51 2011 [VMM][I]: Command execution fail: 'if [ -x
>> "/var/tmp/one/vmm/kvm/migrate" ]; then /var/tmp/one/vmm/kvm/migrate one-131
>> node1; else                              exit 42; fi'
>> Tue Jun  7 17:12:51 2011 [VMM][I]: STDERR follows.
>> Tue Jun  7 17:12:51 2011 [VMM][I]: error: Requested operation is not
>> valid: domain is already active as 'one-131'
>> Tue Jun  7 17:12:51 2011 [VMM][I]: ExitCode: 1
>> Tue Jun  7 17:12:51 2011 [VMM][E]: Error live-migrating VM, error:
>> Requested operation is not valid: domain is already active as 'one-131'
>> Tue Jun  7 17:12:51 2011 [LCM][I]: Fail to life migrate VM. Assuming that
>> the VM is still RUNNING (will poll VM).
>>
>> I'm using qemu+ssh transport with the following version:
>> $ virsh version
>> Compilado contra la biblioteca: libvir 0.8.8
>> Utilizando la biblioteca: libvir 0.8.8
>> Utilizando API: QEMU 0.8.8
>> Ejecutando hypervisor: QEMU 0.14.0
>>
>> Installed version of open nebula is 2.2.
>>
>> Could anyone shed some light on this issue? I've looked in the Internet
>> and found some posts relating to qemu bugs but I'd like to know whether can
>> I get more information about this issue.
>>
>> Thank you very much in advance,
>> Samuel.
>
>
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>



-- 
Javier Fontan, Grid & Virtualization Technology Engineer/Researcher
DSA Research Group: http://dsa-research.org
Globus GridWay Metascheduler: http://www.GridWay.org
OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org