On Wed, 2016-06-22 at 17:56 -0500, libvirt_users@xxxxxxxxxxxxxxx wrote: > If we try it again but specify raw its MUCH faster > > root@testingbox: 09:26 PM # virt-sparsify testimage.qcow2 > testimage2.qcow2 --tmp /bigtmp --format raw Input disk virtual size > = 53687091200 bytes (50.0G) Create overlay file in /bigtmp to > protect source disk ... Examine source disk ... > Copy to destination and make sparse ... > > Sparsify operation completed with no errors. Before deleting the > old disk, carefully check that the target disk boots and works > correctly. > root@testingbox: 09:27 PM # > > This time it takes up more space and reports real and apparent size > differently. It still reports as qcow2 with qemu-img. > > # ls -slh testimage2.qcow2 > 1.7G -rw-r--r-- 1 root root 51G Jun 22 21:27 testimage2.qcow2 > # qemu-img info testimage2.qcow2 > image: testimage2.qcow2 > file format: qcow2 > virtual size: 50G (53687091200 bytes) > disk size: 1.7G > cluster_size: 65536 > Format specific information: > compat: 1.1 > lazy refcounts: true The '--format' option is to specify the image format for the input image. If you want the *output* image to be raw, you'll have to use '--convert raw'. -- Andrea Bolognani / Red Hat / Virtualization _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
