[libvirt-users] How does libvirt interaction with KVM to create a VM?

[Eric Blake]

On 06/29/2012 02:12 AM, Dennis Chen wrote:

> so the libvirtd daemon is there, but I have questions about this daemon:
> 1. where is the daemon source code, it's in the libvirt tar package?

Yes, libvirt is responsible for both libvirt.so (the client code
[src/remote/*], which bundles the RPC request to send to libvirtd) and
for libvirtd (the daemon code [daemon/*], which receives the RPC request
and then calls into the qemu driver code [src/qemu/*] to act on the
request).

> 2. Who is responsible to start this daemon and when?

If you use Fedora or RHEL, it is the installation of the 'libvirt'
package that installs libvirtd as a service, and therefore the service
mechanism (systemd or initd) that fires off libvirtd when you boot.

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org



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