[Users] Making v2v easier?

[Amedeo Salvati]

Il 17/01/2014 17:25, users-request at ovirt.org ha scritto:
> Date: Fri, 17 Jan 2014 17:06:13 +0100 From: Sander Grendelman 
> <sander at grendelman.com> To: Itamar Heim <iheim at redhat.com> Cc: "users 
> >> users at ovirt.org" <users at ovirt.org> Subject: Re: [Users] Making v2v 
> easier? Message-ID: 
> <CAHa6cRQzkMiZUM1615BddPsaZM=nP0OdNWdnYUG4RpG65BWnEA at mail.gmail.com> 
> Content-Type: text/plain; charset=ISO-8859-1 On Fri, Jan 17, 2014 at 
> 4:19 PM, Itamar Heim <iheim at redhat.com> wrote:
>> >I see a lot of threads about v2v pains (mostly from ESX?)
>> >
>> >I'm interested to see if we can make this simpler/easier.
> hear hear!
>
>> >
>> >if you have experience with this, please describe the steps you are using
>> >(also the source platform),
> Sources:
> - Existing KVM (virt-manager/libvirt) platform
> - ESX
> - ova/ovf templates from several sources
>
> Methods:
> - KVM:
>    virt-v2v with libvirtxml option, works reasonably well, most issues
> are with windows guests where virt-v2v needs libguestfs-winsupport and
> virtio-win (RHEL only)
> - ESX:
>    virt-v2v which works reasonably well_if_  the right packages
> (libguestfs-winsupport virtio-win) are installed.
>    virt-v2v can be used directly from ESX/ESX host (configure .netrc
> first) but this is quite slow
>    another option is to export the VM as an OVA and then import it with virt-v2v
> - ova/ovf templates:
>    hit and miss with virt-v2v, especially if they contain something
> that is not a regular windows/linux guest.
>    Another option is to do a direct copy of the disks on a pre-created
> VM, clumsy.
>
>> >and how you would like to see this make simpler
>> >(I'm assuming that would start from somewhere in the webadmin probably).
> Webadmin would be nice, but better behaviour from existing tools would be
> a nice start too.
>
> For example: the flow with virt-v2v is
> 1) Analyze source, look for disks
> 2) Convert/copy disks to ovirt export domain
> 3) Try to add virtio stuff to the copied disks on the export domain
>
> If step 3 fails ( which happens a LOT), the copied disks are removed.
> This is very frustrating if you just waited a couple of hours for a large
> VM (e.g. 200GB) to be copied:(
>
> Some kind of graceful abort/resume would be VERY welcome.
>
> Another issue with virt-v2v is that it_always_  tries to add virtio drivers.
> I have a virtual appliance that contains some kind of proprietary embedded OS:
> adding drivers will always fail, give me some option to override that
> and configure
> simple ide / e1000 hardware for the VM
>
regarding virtio drivers, on linux, and if your kernel support them, you 
can recreate / regenerate initram f.s., and then you can boot your vm 
linux coming from vmware with virtio drivers... same process when doing 
p2v or v2p

-- 
Amedeo Salvati
RHC{DS,E,VA} - LPIC-3 - UCP - NCLA 11
email: amedeo at oscert.net
email: amedeo at linux.com
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