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Re:FreeBSD 11.4 by iotku on Tuesday June 16, 2020 @06:00PM (#23544796)
I haven't noticed that issue on Proxmox (been using zfs with it for approx. 6 months). Currently on zfs 0.8.4 (and I've done that previously).

Are you using a distro supplied zfs (potentially old) or rolling something more bleeding edge?

Re:FreeBSD 11.4 by stiray on Tuesday June 16, 2020 @06:38PM (#23545169)
Just for any case, I would really love to solve this, I accept the fact that it is connected with upgrading the modules but this just is no reason for breaking backward compatibility.

root> zpool --version

zfs-0.8.4-1

zfs-kmod-0.8.4-1

root> ll /.zfs/snapshot

total 0

drwxrwxrwx 2 root root 2 jun 15 08:48 ./

drwxrwxrwx 1 root root 0 jun 10 07:53 ../

root> cat /etc/yum.repos.d/zfs.repo

[zfs]

name=ZFS on Linux for Fedora $releasever

baseurl=http://download.zfsonlinux.org/fedora/$releasever /$basearch/

enabled=1

metadata_expire=7d

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux

[zfs-source]

name=ZFS on Linux for Fedora $releasever - Source baseurl=http://download.zfsonlinux.org/fedora/$releasever/SRPMS/

enabled=0

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux

But nevermind, this is something that was working since zfs as root was brought into FreeBSD (and we are talking about FreeBSD not ZoL), never had issues about it.