[Libguestfs] Re: copy tests failing in libnbd with ZoL

"Richard W.M. Jones" <rjones(a)redhat.com&gt; writes: > On Thu, Oct 23, 2025 at 06:45:33PM +0200, Arsen Arsenović wrote: >> "Richard W.M. Jones" <rjones(a)redhat.com&gt; writes: >> >> > I was definitely expecting this one to fail with ENOTSUP or similar. >> > That's with the file copy-allocated-destination-zero-synch.out on ZFS? >> >> Yes - my home directory is on ZoL, and so is ~/tmp. > > It appears this is a limitation of OpenZFS: > > https://github.com/openzfs/zfs/blob/fc519b2c1108b52aaad63e356645f63c2c167... I figured that might be the case. ZFS has a few instances of similar issues.