[Users] Importing from KVM

[Itamar Heim]

On 04/04/2012 01:13 PM, Alex Drahon wrote:
> Hello all,
>
> I'm trying to import VMs from a Centos5/KVM host to ovirt using
> virt-v2v. I used this command:
> virt-v2v -ic qemu+ssh://root@virthost1.mydomain.local/system -o rhev -os
> virthost3.mydomain.local:/exports/exp --network ovirtmgmt
> test.mydomain.local
>
> It works, but the resulting OVF file cannot be read by ovirt-engine
> ("Failed to read VM '[Unknown name]' OVF, it may be corrupted").
>
> I had to edit the OVF file, removing the NIC Item worked, but restoring
> the imported VM fails. Looking at logs, I found a PostgreSQL constraint
> violation on an insert (sorry it's in French)
> "Caused by: org.postgresql.util.PSQLException: ERREUR: la valeur d une
> clé dupliquée rompt la contrainte unique « pk_vm_device »
>    Where: instruction SQL « INSERT INTO vm_device( device_id, vm_id ,
> device , type, address , boot_order , spec_params, is_managed,
> is_plugged, is_readonly) VALUES(  $1  ,  $2  ,  $3  ,  $4  ,  $5  ,  $6
> ,  $7 ,  $8 ,  $9 ,  $10 ) »"
>
> Looks like there's a primary key violation (duplicate) on insert.

cc-ing mbooth from v2v to have a look from ovf generation, but there 
could be some bug in engine as well as the vm_device code was added 
recently.

>
> I have two questions:
>   - what's the minimal OVF file that can successfully import a VM?

shahar?

>   - are 'default devices' created if they are not in the OVF file?
> (would explain PK violations)

eli?

>
> oVirt is very impressive and stable, deploying was a breeze, but it"s
> difficult to understand why it is so hard to move VMs from a libvirt/KVM
> host (which is basically the same architecture). Am I missing something?