2017-05-12 16:20 GMT+03:00 Vasiliy Tolstov <v.tolstov@xxxxxxxxx>: > I'm use via php binding > https://libvirt.org/html/libvirt-libvirt-storage.html#virStorageVolCreateXMLFrom > > and see that image grows: > > image: new.qcow2 > file format: qcow2 > virtual size: 4.9G (5242880000 bytes) > disk size: 854M > cluster_size: 65536 > Format specific information: > compat: 0.10 > refcount bits: 16 > > image: old.qcow2 > file format: qcow2 > virtual size: 4.9G (5242880000 bytes) > disk size: 277M > cluster_size: 65536 > Format specific information: > compat: 1.1 > lazy refcounts: false > refcount bits: 16 > corrupt: false > > Why libvirt create new image with different compat? Also, specify compat in xml desc of new disk helps with comat version, but image size grows: image: new2.qcow2 file format: qcow2 virtual size: 4.9G (5242880000 bytes) disk size: 854M cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false refcount bits: 16 corrupt: false -- Vasiliy Tolstov, e-mail: v.tolstov@xxxxxxxxx -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
