umount/umountall

Purpose

Dismounts an Oracle ACFS file system on the AIX operating system.

Syntax and Description

umount [mount_point | volume_device]
umountall -F acfs

unmountall -F acfs dismounts all Oracle ACFS file systems.

Table 16-15 contains the options available with the umount command.

Table 16-15 Options for the AIX umount command

Option	Description
`mount_point`	Specifies the directory where the file system is mounted. Valid only with `umount`.
`volume_device`	Specifies the Oracle ADVM volume device name associated with the file system. Valid only with `umount`.
`-F` `acfs`	Specifies the type of file system on AIX. `acfs` designates the Oracle ACFS type. Valid only with `umountall`.

umount and umountall detach an Oracle ACFS from the file system hierarchy on the current node. If a file system is busy, umount and umountall fail.

root privileges are required to run the umount and umountall commands.

Examples

The following examples show how to dismount an Oracle ACFS file system. The first example specifies the mount point of the file system to dismount. The second example specifies the volume device associated with the file system to dismount. The third example dismounts all Oracle ACFS file systems.

Example 16-12 Using the umount command

# /usr/sbin/umount /dev/asm/volume1-123

# /usr/sbin/umount /acfsmounts/acfs1

# /usr/sbin/umountall -F acfs