[Users] Importing from KVM
Shahar Havivi
shaharh at redhat.com
Thu Apr 5 11:12:48 UTC 2012
On 05.04.12 13:56, Itamar Heim wrote:
> On 04/05/2012 01:50 PM, Alex Drahon wrote:
> >I tried with the minimal OVF file, which means no UUID since it's
> >defined (I think) in
> ><Section ovf:id="..." ovf:required="false"
> >xsi:type="ovf:OperatingSystemSection_Type">
>
> shahar - uuid is not a must?
> if not and engine is supposed to create it, sounds like a bug?
engine doesn't create that,
it expect the UUID to be present.
>
> >
> >Of course it fails if ovirt-engine doesn't generate one.
> >
> >On Thu, Apr 5, 2012 at 11:44 AM, Itamar Heim <iheim at redhat.com
> ><mailto:iheim at redhat.com>> wrote:
> >
> > On 04/05/2012 01:42 PM, Alex Drahon wrote:
> >
> > Here's what I found in engine.log
> >
> >
> > are you sure you are not trying to add a VM with an existing UUID
> > (or did not pass a UUID)?
> >
> >
> > On Thu, Apr 5, 2012 at 11:32 AM, Itamar Heim <iheim at redhat.com
> > <mailto:iheim at redhat.com>
> > <mailto:iheim at redhat.com <mailto:iheim at redhat.com>>> wrote:
> >
> > On 04/05/2012 01:16 PM, Alex Drahon wrote:
> >
> > Thanks for your help.
> >
> > I tried the import with a minimal OVF file as described by
> > Shahar and it
> > worked, but failed on activate.
> >
> > This time I have a constraint violation on pk_vm_static,
> > which means
> > that ovirt-engine doesn't create a vm_guid if it isn't
> > here. I guess
> > it's the same for a lot of parameters.
> >
> >
> > that's sounds like a new bug.
> > please send stack trace (which will also help telling where
> > to look).
> >
> >
> >
> > To move forward, I'm going to create "shadow" VMs on
> > ovirt-engine,
> > export them and import my "real" libvirt/KVM VMs with the
> > exported OVF
> > files. Makes sense?
> >
> > Where should I look in the source tree if I want to (try to)
> > actually
> > help with the restore code for imported VMs?
> >
> > Alex
> >
> > On Thu, Apr 5, 2012 at 5:59 AM, Shahar Havivi
> > <shaharh at redhat.com <mailto:shaharh at redhat.com>
> > <mailto:shaharh at redhat.com <mailto:shaharh at redhat.com>>
> > <mailto:shaharh at redhat.com <mailto:shaharh at redhat.com>
> > <mailto:shaharh at redhat.com <mailto:shaharh at redhat.com>>>> wrote:
> >
> > On 05.04.12 07:35, Itamar Heim wrote:
> > > 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?
> > you will need the header: the <Reference> tag the
> > <Content>
> > tag with the
> > <Section> items: <System> and <item>s cpu and memory, all other
> > devices can be
> > omit.
> > >
> > > 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?
> > >
> > >
> >
> >
> >
> >
> >
> >
>
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