On Mon, May 28, 2007 at 08:24:50PM +0900, Kazuki Mizushima wrote: > Hi, > > I make a patch added "--nodiskcopy" option for virt-clone. > > When this option is specified, only changing and defining > a XML is done, and read/write copying is not done. > > When a user wants to use a ready-made snapshot product and so on > not a normal copy(read/write) at the time of device copying, I > think that this option is effective. It may be faster than > normal copying. > > A user uses in the following. > 1)Take snapshot > A user takes snapshot which becomes R/W volumes > (e.g. split-mirror way). It depends on a product. > > 2)Take clone having --nodiskcopy option > #virt-clone -o original -n clone -f /dev/snapshot_sysvol > -f /dev/snapshot_data1 > -f /dev/snapshot_data2 > --nodiskcopy Looks good to me, though I think I'd prefer --preserve-data instead of --nodiskcopy as a name. Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|
