Real Hardware and libvirt/kvm/qemu
On 08/14/2010 10:10 AM, Trever L. Adams wrote:
> Hello everyone,
> I am working on a project for my family. At the moment the only hardware
> that we can get is the harddrives.
> Question: Is it possible to give control of these over to the
> virtualized systems in such a way that they can later be used as a real
> hard drive in a real setup, just plug and play? (At least some of these
> will be doing this, others will just be moved to less crowded vm hosts.)
> If so, how? How do I keep the host OS from detecting and using them.
> (All machines, vm and actual, are/will be Fedora.)
> Thank you,
> Trever Adams
Since I received no answer, I think I have figured this out. Documenting
it on the list for others. This is not a recommended configuration
(qemu) due to the fact that if the host operating system touches the
file system, corruption can happen.
How do you do it:
Make sure that the host does not touch it. Disable the drive (no
entries) in /etc/fstab
Use filter in lvm.conf filter = ["r|sdX"] where X is any number used
directly with qemu. This could be sdg for example. Use multiple entries
for multiple drives.
Set the drive image to the raw harddrives (not partitions), such as
There you are.
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