[Libguestfs] why virt-v2v in-place option not support in centos 7?

[Zhang Huan]

Thanks a lot for reply, this is really helpful to me.

> 
> On Mon, Dec 17, 2018 at 07:47:45PM +0800, Zhang Huan wrote:
>> Hi All,
>> 
>> As the in-place help said,
>> 
>>   --in-place
>> Do not create an output virtual machine in the target hypervisor. Instead, adjust the guest OS in the source VM to run in the input hypervisor.
>> 
>> This mode is meant for integration with other toolsets, which take the responsibility of converting the VM configuration, providing for rollback in case of errors, transforming the storage, etc.
>> 
>> 
>> 
>> I want to do v2v modifications in the source disk image, but the v2v give the error:
>> virt-v2v -v -x -i disk /dev/vdh --in-place
>> virt-v2v: error: --in-place cannot be used in RHEL 7
>> 
>> could any one give me some help?
>> why —in-place option disabled in RHEL7, is there a older version enabled this feture?
> 
> It's because we explictly disable it in RHEL 7 because we don't want
> to support it for Red Hat's customers.
> 
> You can see the patches that we add on top of upstream libguestfs
> here:
> 
> https://github.com/libguestfs/libguestfs/commits/rhel-7.7
> 
> The patch in question is:
> 
> https://github.com/libguestfs/libguestfs/commit/fb3e89b0fb2d0de3c12a668c00d07c5cfcac9ec0
> 
> If you want to use this feature, you'll either have to use Fedora or
> another non-CentOS distribution, or compile libguestfs yourself from
> source, or take the CentOS SRPM, comment out the patch, and rebuild
> it.
> 
> Rich.
> 
> -- 
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
> virt-p2v converts physical machines to virtual machines.  Boot with a
> live CD or over the network (PXE) and turn machines into KVM guests.
> http://libguestfs.org/virt-v2v
> 

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