[one-users] Live migrate error, disk.0 does not exists at destination

[Jaime Melis]

Hi Nicolas,

/var/lib/one/datastores/0 should be shared (using NFS for example) across
all the hosts.

regards,
Jaime


On Mon, Aug 12, 2013 at 7:40 AM, Nicolas Bélan <nicolas.belan at gmail.com>wrote:

>  Hello the list,
>
> I am using OpenNebula 4.2 with a shared (qcow2) storage + kvm.
> I am trying to livre migrate a vm from hostA to hostB.
> It fails with the following message:
>
> Mon Aug 12 13:30:57 2013 [DiM][D]: Live-migrating VM 45
> Mon Aug 12 13:30:57 2013 [ReM][D]: Req:656 UID:0 VirtualMachineMigrate
> result SUCCESS, 45
> Mon Aug 12 13:30:57 2013 [ReM][D]: Req:5920 UID:0 VirtualMachineInfo
> invoked, 45
> Mon Aug 12 13:30:57 2013 [ReM][D]: Req:5920 UID:0 VirtualMachineInfo
> result SUCCESS, "<VM><ID>45</ID><UID>..."
> Mon Aug 12 13:30:57 2013 [VMM][D]: Message received: LOG I 45 Successfully
> execute transfer manager driver operation: tm_premigrate.
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG I 45 ExitCode: 0
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG I 45 Successfully
> execute network driver operation: pre.
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG I 45 Command
> execution fail: /var/tmp/one/vmm/kvm/migrate 'one-45' 'hostB' 'hostA' 45
> hostB
>
> *Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG E 45 migrate:
> Command "virsh --connect qemu:///system migrate --live one-45
> qemu+ssh://hostB/system" failed: error: cannot open file
> '/var/lib/one//datastores/0/45/disk.0': Aucun fichier ou dossier de ce type
> * (tra: No such file or directory)
>
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG E 45 Could not
> migrate one-45 to hostB
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG I 45 ExitCode: 1
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: LOG I 45 Failed to
> execute virtualization driver operation: migrate.
> Mon Aug 12 13:30:58 2013 [VMM][D]: Message received: MIGRATE FAILURE 45
> Could not migrate one-45 to hostB
>
> As I understand, using a shared datastore, One create a symlink to the
> real shared DS into the DS 0 (for system images).
> But, It seems that on target hostB, the symlink is not created before
> migration....
> Am I missing something ?
>
> Thank you
>
> Best regards,
> Nicolas.
>
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> Users at lists.opennebula.org
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>
>


-- 
Join us at OpenNebulaConf2013 <http://opennebulaconf.com/> in Berlin, 24-26
September, 2013
--
Jaime Melis
Project Engineer
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org | jmelis at opennebula.org
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