libvirt users - May 2015 - libvirtError: this function is not supported by the connection driver: virDomainSnapshotNum

I tried to create && open a snapshot of xen and the error appears. Is
there
anyway to support xen snapshotting with libxl/libvirt?
This blog
http://searchservervirtualization.techtarget.com/tip/Creating-snapshots-in-Xen-with-Linux-commands
offers two way to backup xen vm with linux commands, can we integrate it
into libvirt?

big strong wrote:
> I tried to create && open a snapshot of xen and the error appears.
Is
> there anyway to support xen snapshotting with libxl/libvirt?
No, not ATM.  There is ongoing work to provide snapshot support in libxl

http://lists.xen.org/archives/html/xen-devel/2015-01/msg03071.html

Once libxl supports snapshot, attention can be turned to libvirt.

Regards,
Jim