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Michal Privoznik
eec91958b4
So you have a libvirt volume that you want to wipe out. But lets say that the volume is actually a file stored on a journaled filesystem. Overwriting it with zeroes or a pattern does not mean that corresponding physical location on the disk is overwritten too, due to journaling. It's the same story with network based volumes, copy-on-write filesystems, and so on. Since there is no way that an userland application can write onto specific areas on disk, all that we can do is document the fact. Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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>