Use the following procedure to unmount a file system, except for the root (/), /usr, or /var file systems.
The root (/), /usr, and /var file systems can be unmounted only during a shutdown. The system needs these file systems to function.
Ensure that you have met the prerequisites listed in Prerequisites for Unmounting File Systems.
Unmount the file system.
# umount /mount-point |
where /mount-point is the name of the file system that you want to unmount. This can be one of the following:
The directory name where the file system is mounted
The device name path of the file system
The resource for an NFS file system
The loopback directory for an LOFS file system
The following example shows how to unmount a local UFS home file system.
# umount /export/home |
The following example shows how to unmount the UFS file system on slice 7.
# umount /dev/dsk/c0t0d0s7 |
The following example shows how to forcibly unmount the UFS /export file system.
# umount -f /export # |
The following example shows how to unmount all UFS file systems in the /etc/vfstab file, except for the root (/), /proc, /var, and /usr file systems.
# umountall |
The following example shows to unmount all ZFS file systems.
# zfs umount -a |
All file systems are unmounted, except for those file systems that are busy.