Open Stack

Hi,

I'm not sure what you mean by "one [disk image] for OS image", but I'm  
not aware of any quick method to accomplish what you're asking for.
The only way I can think of right now is to create a new (larger) disk  
image for each VM, prepare the disk layout exactly as in the original  
VM (e.g. with 'fdisk'), map the empty image and then use 'dd' (or  
similar) to copy every block into the new (empty) image.
That new image could be uploaded to glance (as base image) or  
depending on your cinder backend directly as a managed volume to Ceph  
if you're using that.
Be careful to not mix up the source and destination disks with 'dd', I  
would test it first with a backed up VM image and see if that works at  
all.
If that works that of course means a lot of manual work and time per  
VM. Maybe someone else has a smoother and simpler way though.

Regards,
Eugen


Zitat von KK CHN <kkchn.in at gmail.com>:

> Members,
>
> We have  a set of  VMs  running in  KVM environment.
> Both Windows and Linux OS VMs with separate data storage disks attached to
> it.
>
> We are planning to  migrate/populate all  these VMs to Our New OpenStack
> setup  using  Ussuri version with KVM virtualizer and glance storage.
>
> The current service provider  provides three image files for each VMs in
> question.
>
> Both for Linux ( CentOS and Redhat)   and WIndows machines they are
> providing us    three disk images  for each VM
>
> 1.  one for OS image
> 2. second for boot
> 3.  third for  attached disk for data volumes
>
> The third comes as LVMs (Linux) and Vhdx (Windows)image files.
>
> *Is there a way to combine all three  files from our vendor* as a single
> qcow2 image/or any other supported format in openstack  so that we can
> directly populate a VM in  our Open Stack setup ( ussuri, glance with KVM)
> using horizon dashboard.
>
> Is thi is possible?   If not whats the best way to  do this  if you  were
> me.
>
> kindly share your expertise and thoughts for a solution.
>
> Thanks
> Kris