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This allows direct saves (no compression, no root-squash NFS) to use the more efficient fd: migration, which in turn avoids a race where qemu exec: migration can sometimes fail because qemu does a generic waitpid() that conflicts with the pclose() used by exec:. Further patches will solve compression and root-squash NFS. * src/qemu/qemu_driver.c (qemudDomainSaveFlag): Use new function when there is no compression.
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>