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Example output during shutdown: Running guests on default URI: console, rhel6-1, rhel5-64 Running guests on lxc:/// URI: lxc-shell Running guests on xen:/// URI: error: no hypervisor driver available for xen:/// error: failed to connect to the hypervisor Running guests on vbox+tcp://orkuz/system URI: no running guests. Suspending guests on default URI... Suspending console: done Suspending rhel6-1: done Suspending rhel5-64: done Suspending guests on lxc:/// URI... Suspending lxc-shell: error: Failed to save domain 9cba8bfb-56f4-6589-2d12-8a58c886dd3b state error: this function is not supported by the hypervisor: virDomainManagedSave Note, the "Suspending $guest: " shows progress during the suspend phase if domjobinfo gives meaningful output. Example output during boot: Resuming guests on default URI... Resuming guest rhel6-1: done Resuming guest rhel5-64: done Resuming guest console: done Resuming guests on lxc:/// URI... Resuming guest lxc-shell: already active Configuration used for generating the examples above: URIS='default lxc:/// xen:/// vbox+tcp://orkuz/system' The script uses /var/lib/libvirt/libvirt-guests files to note all active guest it should try to resume on next boot. It's content looks like: default 7f8b9d93-30e1-f0b9-47a7-cb408482654b 085b4c95-5da2-e8e1-712f-6ea6a4156af2 fb4d8360-5305-df3a-2da1-07d682891b8c lxc:/// 9cba8bfb-56f4-6589-2d12-8a58c886dd3b
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>