[ovirt-devel] virt-v2v integration feature

Richard W.M. Jones rjones at redhat.com
Wed Sep 10 09:36:42 UTC 2014


On Wed, Sep 10, 2014 at 10:41:27AM +0300, Shahar Havivi wrote:
> On 02.09.14 09:26, Arik Hadas wrote:
> > Hi All,
> > 
> > Better late than never..
> > 
> > Thanks for all the feedback, it was really constructive.
> > I made major changes in the wiki page to address the comments,
> > Please take another look:
> > http://www.ovirt.org/Features/virt-v2v_Integration
> > 
> > Thanks,
> > Arik
> Few issues came up after talking with storage team:
> 
> The actual import VM will take place in two steps:
> 1. SPM call to create the volume.
> 2. HSM call virt-v2v with the created UUIDs by the first SPM call.
>    The virt-v2v don't need to create any directory or volume since
>    the SPM create volume will create the structure for us.
>    Rich: is that ok with the current virt-v2v?
> 
> Before creating the volume we are running a virt-v2v convert with --no-copy,
> which mean we don't copy the disk only get the ovf, by doing that we don't
> have the actual size of the disk - which cause a problem in block device where
> we need to preallocate the volume and to make sure that the destination have
> room for the new disk.
> Rich: Can we get the estimated size when we run with --no-copy?

Currently you get the virtual size accurately.  We could add an
estimate of the used size, but I doubt it will be very accurate.  It
would probably be an upper limit, which I guess is useful.

Rich.

> Some notes:
> Since the second call is an HSM call we need to make sure that we take the
> virt-v2v "tasks" into consideration when it comes to host life cycle.
> 
> Thanks,
>   Shahar.

-- 
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