On 18.12.2015 20:30, John Ferlan wrote: > > > On 12/17/2015 05:10 AM, Michal Privoznik wrote: >> 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@xxxxxxxxxx> >> --- >> src/libvirt-storage.c | 16 +++++++++++++--- >> 1 file changed, 13 insertions(+), 3 deletions(-) >> > > Seems reasonable. Is there an associated bz? None that I know of. It's just that I've came across some discussion in the office about volWipe and it just appeared to me that we ought to have this documented. Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list