[Users] virt-v2v fail - GuestfsHandle.pm error + Redhat.pm error

[Nicolas Ecarnot]

Le 09/02/2013 11:26, Nicolas Ecarnot a écrit :
> Le 08/02/2013 21:54, Richard W.M. Jones a écrit :
>> On Thu, Feb 07, 2013 at 04:48:13PM +0100, Nicolas Ecarnot wrote:
>>> Hi,
>>>
>>> After having successfully migrated Debian, XP, 2003, 2008 VMs, I'm
>>> stuck with a migration I was expecting to be easy : RHAS3.
>>>
>>> Here is the error log I get :
>>>
>>>> # virt-v2v -i libvirt -ic qemu+ssh://xxxx@xxxx/system -o rhev -os
>>>> xxxx:/data/vmexport -of qcow2 -oa sparse -n ovirtmgmt
>>>> serv-rhas3-vm1 serv-rhas3-vm1_copy.raw: 100%
>>>> [=====================================================================================================]D
>>>>
>>>> 0h10m14s virt-v2v: Pas de capability dans la configuration
>>>> correspondant à os='linux' name='virtio' distro='rhel' major='3'
>>>> minor='0' virt-v2v: Pas de capability dans la configuration
>>>> correspondant à os='linux' name='cirrus' distro='rhel' major='3'
>>>> minor='0' virt-v2v: WARNING: Le pilote d'affichage a été modifié
>>>> en cirrus, mais il est impossible d'installer le pilote cirrus. X
>>>> pourrait ne pas fonctionner correctement virt-v2v: WARNING:
>>>> /boot/grub/device.map fait référence à un périphérique /dev/fd0
>>>> inconnu. Cette entrée doit être corrigée manuellement après la
>>>> conversion. virt-v2v: WARNING: /boot/grub/device.map fait
>>>> référence à un périphérique /dev/sda inconnu. Cette entrée doit
>>>> être corrigée manuellement après la conversion. sh: sh:  at
>>>> /usr/share/perl5/vendor_perl/Sys/VirtConvert/GuestfsHandle.pm
>>>> line 200. at
>>>> /usr/share/perl5/vendor_perl/Sys/VirtConvert/Converter/RedHat.pm
>>>> line 2321
>>>
>>> I don't mind the warnings and I also had such errors I was able to
>>> correct manually.
>>>
>>> But here, the last two lines are lethal.
>>>
>>> It seems oVirt tries to guess which OS is imported, and tries to
>>> do specific actions, and do them bad. Either there's a way o
>>> prevent oVirt from guessing, either there's a way to correct the
>>> actions oVirt is failing to do...
>>>
>>> Googling was not that helpful about this issue.
>>
>> I'm not totally clear what "RHAS 3" is, but you're correct that
>> virt-v2v has to detect[1] the type of operating system in the guest
>> in order to determine what operations it has to perform on that
>> guest.
>
> RHAS stands for redhat advanced server. In our case, this is just an old
> "Red Hat Enterprise Linux AS release 3 (Taroon)".
>
>>
>> It uses the configuration file /etc/virt-v2v.conf to map the guest
>> type into drivers that have to be installed, but some of this is
>> also hard-coded inside the program.
>>
>> Matt (CC'd) might have some more suggestions.
>
> I'll be glad to hear from him.
>
>>
>> Rich.
>>
>> [1] You can find out what virt-v2v (actually, what libguestfs)
>> thinks is in your guest by doing:
>>
>> virt-inspector serv-rhas3-vm1
>>
>> ("virt-inspector2" if this is RHEL 6).
>
> I had to install libguestfs-tools.x86_64 to get virt-inspector, and it
> correctly find it is a RH 3.
>
> Am I missing some more packages for the perl scripts to work correctly?
>

This issue looks very similar to what is discussed here:

https://bugzilla.redhat.com/show_bug.cgi?id=816930

-- 
Nicolas Ecarnot