I wrote: > I wouldn't have any problem with saying that we don't support NFS > implementations that don't have stable cookies. But so far I haven't > found any supported platform except FreeBSD that fails the rmtree test > against my Synology NAS.
To expand on that: I've now found that Linux, macOS, NetBSD, OpenBSD, and illumos/OpenIndiana[1] pass that test. I don't believe that Windows does NFS. That means that FreeBSD is the only one of our supported platforms that fails. I think we should simply document that NFS on FreeBSD is broken, and await somebody getting annoyed enough to fix that brokenness. regards, tom lane [1] Getting OpenIndiana to work under qemu is not a task for those easily discouraged.