id = 2417 title = "qemu-img allocates full size on exFAT when metadata preallocation is requested" state = "opened" created_at = "2024-07-01T18:53:52.619Z" closed_at = "n/a" labels = ["Storage"] url = "https://gitlab.com/qemu-project/qemu/-/issues/2417" host-os = "macOS 14.5" host-arch = "x86" qemu-version = "9.0.1" guest-os = "n/a" guest-arch = "n/a" description = """`qemu-img` seems to preallocate the full size of a qcow2 image on exFAT rather than just the metadata when that is requested. This was initially seen via libvirt/libvirt#649. exFAT does not support sparse files.""" reproduce = """1. Run command""" additional = "n/a"