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Eric Blake 6f66423e17 snapshot: allow halting after snapshot 
Since a snapshot is fully recoverable, it is useful to have a
snapshot as a means of hibernating a guest, then reverting to
the snapshot to wake the guest up.  This mode of usage is
similar to 'virsh save/virsh restore', except that virsh
save uses an external file while virsh snapshot keeps the
vm state internal to a qcow2 file.  However, it only works on
persistent domains.

In the usage pattern of snapshot/revert for hibernating a guest,
there is no need to keep the guest running between the two points
in time, especially since that would generate runtime state that
would just be discarded.  Add a flag to make it possible to
stop the domain after the snapshot has completed.

* include/libvirt/libvirt.h.in (VIR_DOMAIN_SNAPSHOT_CREATE_HALT):
New flag.
* src/libvirt.c (virDomainSnapshotCreateXML): Document it.
* src/qemu/qemu_driver.c (qemuDomainSnapshotCreateXML)
(qemuDomainSnapshotCreateActive): Implement it.
 		2011-09-05 07:03:04 -06:00
.gnulib@a6b16b69fe build: fix compilation on mingw64 2011-08-19 07:20:10 -06:00
daemon libvirtd: create run dir when running at non-root user 2011-09-01 20:32:10 -06:00
docs snapshot: additions to domain xml for disks 2011-09-05 07:03:04 -06:00
examples snapshot: better events when starting paused 2011-09-02 10:00:06 -06:00
gnulib freebsd: Fix build problem due to picking up the wrong libvirt.h 2011-07-29 07:35:54 -06:00
include snapshot: allow halting after snapshot 2011-09-05 07:03:04 -06:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po hyperv: Add basic driver for Microsoft Hyper-V 2011-08-26 17:52:55 +02:00
python Add public API for getting migration speed 2011-09-01 11:26:21 -06:00
src snapshot: allow halting after snapshot 2011-09-05 07:03:04 -06:00
tests snapshot: additions to domain xml for disks 2011-09-05 07:03:04 -06:00
tools snapshot: expose new delete flag in virsh 2011-09-05 07:03:04 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore hyperv: Add OpenWSMAN based client for the Hyper-V WMI API 2011-08-26 17:52:55 +02:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Change my email domain 2011-09-01 16:13:34 -06:00
AUTHORS Check for source conflicts in storage pools 2011-09-05 15:52:03 +08:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
HACKING build: rename files.h to virfile.h 2011-07-21 10:34:51 -06:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00
autobuild.sh Remove the Open Nebula driver 2011-03-28 14:09:11 +01:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: fix compilation on mingw64 2011-08-19 07:20:10 -06:00
bootstrap.conf Add API for duplicating a socket/client file descriptor 2011-08-15 15:21:26 +02:00
cfg.mk hyperv: Add driver skeleton 2011-08-26 17:52:55 +02:00
configure.ac storage: Add mkfs and libblkid to build system 2011-09-02 21:16:50 +08:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in snapshot: update rng to support full domain in xml 2011-09-03 08:12:13 -06:00
mingw32-libvirt.spec.in snapshot: update rng to support full domain in xml 2011-09-03 08:12:13 -06:00

README 

         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>