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41e9f54d05
Since the disks are copied by qemu, there's no need to enforce cache=none. Thankfully the code that added qemuMigrateDisk did not break existing configs, since if you don't select any disk to migrate explicitly the code behaves sanely. The logic for determining whether a disk should be migrated is open-coded since using qemuMigrateDisk twice would be semantically incorrect.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>