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, since the system needs these file systems to function.
Make sure that you have met the prerequisites listed in Prerequisites for Unmounting File Systems.
Unmount the file system.
# umount /mount-point |
/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 a LOFS file system
The following example shows how to unmount a local home file system.
# umount /export/home |
The following example shows how to unmount the file system on slice 7.
# umount /dev/dsk/c0t0d0s7 |
The following example shows how to forcibly unmount the /export file system.
# umount -f /export # |
The following example shows how to unmount all file systems in the /etc/vfstab file, except for the root (/), /proc, /var, and /usr file systems.
# umountall |
All file systems are unmounted, except for those file systems that are busy.