On Mon, Jun 11, 2012 at 04:56:04PM +0300, Mihamina Rakotomandimby wrote: > Hi all, > > I use to install my KVM VMs with (I shorten): > $ sudo lvcreate -n a-lvm [...] > $ sudo virt-install [...] --disk path=/dev/mapper/a-vg/a-lvm > > A colleague went with a bunch of "*.vmdk" that I think I can use: > http://goo.gl/KxigR > I would like to stick with my convention to use one LVM per VM, so > I'm looking for some resources teaching how to switch from a file > disk image to a LVM: > - How to calculate the right size to pass to "lvcreate"? qemu-img info > - How to transfert the file image to the LVM? qemu-img convert However note that qemu has some problems with VMDK files. Mostly these are solved if you use a new enough version of qemu/qemu-img, but the version in CentOS 6 definitely *won't* work for VMDK 4 files (in fact, it will silently corrupt them). > One solution could be to create a LVM, format it mount it, copy the > disk image on it, but it's crappy (add one unnecessary FS layer). > > My host system is an up to date CentOS6. > The guests are VirtualBox VM with legacy browsers (IE6, FF3.6,...). If you're planning to run them under KVM you may need to do some manual v2v work. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top