On 5/13/2019 8:52 PM, Arne Vajhøj wrote: > But now you are assuming that ZFS is just an ODS-something format and > that RMS, SYS$QIO(W) etc. just runs on top of it. There is really nothing "ODS-like" in VAFS, other than the fact that its ACPTYPE is ODS-6. The metadata is managed in a fundamentally different way than ODS-2/5. -- -- Rob