Can not mount zfs pvc after reboot truenas scale

[majinjing3]

Warning FailedMount 35m (x13 over 48m) kubelet MountVolume.SetUp failed for volume "pvc-fcc29a18-012b-4cc1-b77e-aed542b42a2a" : rpc error: code = Internal desc = rpc error: code = Internal desc = zfs: mount failed err : not able to mount, cannot mount '/mnt/var/lib/kubelet/pods/b822654e-fcf3-4115-b7d7-8a19f812e66f/volumes/kubernetes.io~csi/pvc-fcc29a18-012b-4cc1-b77e-aed542b42a2a/mount': failed to create mountpoint: Read-only file system

 

[majinjing3]

I have found that, when set mountpoint=/tmp/test, zfs always mounts it to "/mnt/tmp/test"