We cannot use os.statvfs() if the clone disk is a block device because it gets stats about filesystem which in this case is "devtmpfs" mounted as "/dev". As a workaround we can seek to the end of the block device to get the actual size. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1450908 Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx> --- virtinst/diskbackend.py | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/virtinst/diskbackend.py b/virtinst/diskbackend.py index de745f4d..c63a621f 100644 --- a/virtinst/diskbackend.py +++ b/virtinst/diskbackend.py @@ -387,8 +387,13 @@ class CloneStorageCreator(_StorageCreator): def is_size_conflict(self): ret = False msg = None - vfs = os.statvfs(os.path.dirname(self._path)) - avail = vfs[statvfs.F_FRSIZE] * vfs[statvfs.F_BAVAIL] + if self.get_dev_type() == "block": + fd = os.open(self._path, os.O_RDONLY) + avail = os.lseek(fd, 0, os.SEEK_END) + os.close(fd) + else: + vfs = os.statvfs(os.path.dirname(self._path)) + avail = vfs[statvfs.F_FRSIZE] * vfs[statvfs.F_BAVAIL] need = long(self._size * 1024 * 1024 * 1024) if need > avail: if self._sparse: -- 2.13.6 _______________________________________________ virt-tools-list mailing list virt-tools-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/virt-tools-list
