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13.5. zfs mount/umount

Legacy mount points must be managed through legacy tools. An attempt to use ZFS tools result in an error.

# zfs mount pool/home/billm
cannot mount 'pool/home/billm': legacy mountpoint
use mount(1M) to mount this filesystem
# mount -F zfs tank/home/billm
		

13.5.1. Temporary Mount Properties

# zfs mount -o ro tank/home/perrin
# zfs mount -o remount,noatime tank/home/perrin
# zfs get atime tank/home/perrin
NAME             PROPERTY      VALUE                      SOURCE
tank/home/perrin atime         off                        temporary
			

13.5.2. Mounting File Systems

mount

freebsd# zfs mount zfs/www
freebsd# mount
/dev/ad0s1a on / (ufs, local)
devfs on /dev (devfs, local, multilabel)
/dev/ad0s1e on /tmp (ufs, local, soft-updates)
/dev/ad0s1f on /usr (ufs, local, soft-updates)
/dev/ad0s1d on /var (ufs, local, soft-updates)
zfs on /zfs (zfs, local)
zfs/www on /zfs/www (zfs, local)
			

The -a option can be used to mount all ZFS managed filesystems. Legacy managed filesystems are not mounted.

# zfs mount -a
			

13.5.3. Unmounting File Systems

umount

freebsd# zfs umount /zfs/www
freebsd# mount
/dev/ad0s1a on / (ufs, local)
devfs on /dev (devfs, local, multilabel)
/dev/ad0s1e on /tmp (ufs, local, soft-updates)
/dev/ad0s1f on /usr (ufs, local, soft-updates)
/dev/ad0s1d on /var (ufs, local, soft-updates)
zfs on /zfs (zfs, local)
			

13.5.4. Legacy Mount Points

freebsd# zfs set mountpoint=/tank  tank
freebsd# zfs mount -a
freebsd# mount
/dev/ad0s1a on / (ufs, local)
devfs on /dev (devfs, local, multilabel)
/dev/ad0s1e on /tmp (ufs, local, soft-updates)
/dev/ad0s1f on /usr (ufs, local, soft-updates)
/dev/ad0s1d on /var (ufs, local, soft-updates)
tank on /tank (zfs, local)