Re: [libvirt-users] virt-sparsify changing the apparent-size of files

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