On 06/18/2018 04:05 PM, Gionatan Danti wrote: > Hi list, > on older virt-manager versions (ie: what shipped with RHEL 6), a > checkbox called "allocate entire disk" was selectable when configuring a > new virtual machine. When checked, it means that the RAW disk image file > was entirely allocated, generally issuing a fallocate() call. When > unchecked, the disk image was a sparse file, with on-demand space > allocation. > > On new virt-manager versions (ie: what ships with RHEL 7), the checkbox > is gone. This means that for creating a sparse allocated file from > within the "new vm" wizard, one is forced to use a Qcow2 file > (selectable in the global preferences). No sparse RAM images can be > created within such wizard. > > As a heavy consumer of RAW disk files, I would really like to have the > checkbox back, especially in RHEL/CentOS 7.x > Do you plan to reintroduce it? For RHEL/CentOS, should I open a Bugzilla > ticket? If you change the disk image format from qcow2 to raw in Edit->Preferences, then new disk images are set to fully allocated raw. Check the image details with 'qemu-img info $filename' to confirm. So I think by default we are doing what you want? - Cole _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
