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Transient domains reject attempts to set autostart, and using virDomainCreate to restart a domain only works on persistent domains. Therefore, managed save makes no sense on transient domains, and should be rejected up front rather than creating an otherwise unrecoverable managed save file. Besides, transient domains imply that a lot more management is being done by the upper layer; this includes the assumption that the upper layer is okay managing the saved state file created by virDomainSave, and does not need to use managed save. * src/libvirt.c: Document that transient domains are incompatible with managed save. * src/qemu/qemu_driver.c (qemuDomainManagedSave): Enforce it. * src/libxl/libxl_driver.c (libxlDomainManagedSave): Likewise.
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>