umount_vxfs (1M)


umount_vxfs - unmount a VxFS file system


/opt/VRTSvxfs/sbin/umount [ generic_options ] [ -o [ force ]]
{ special | mount_point }




umount notifies the system that special, a VxFS block special device, is no longer available to users from mount_point.

If a file system has mounted Storage Checkpoints, all Storage Checkpoints must be unmounted before unmounting the file system.


  Supported by the generic umount command. See the mount manual page.
-o Specifies the VxFS-specific options in a comma-separated list. The available options are:
force Unmounts a VxFS file system even if it contains busy files. Caution: Using the force option can corrupt data in open files.
If force is not specified, umount does not unmount the file system if it contains any busy files. Programs that try to access files after a file system is forcibly unmounted receive an EIO error.
If a file system has mounted Storage Checkpoints, that file system can be unmounted only after all of its Storage Checkpoints are unmounted, even if the force option is specified.
  Unmounts a file system that was mounted with the mntlock=ID option. The filesystems entry for the file system shows whether the file system was mounted with the mntlock option. The specified identifier, ID, must match the identifier specified with the mntlock option that was used to lock the mount point.


Only a privileged user can unmount file systems.


/etc/filesystems File system characteristics


fsync, mount, setuid, fsadm_vxfs(1M), mkfs_vxfs(1M), mount_vxfs(1M), qiomkfile(1M), fs_vxfs(4), vxfsio(7)

VxFS 5.1 SP1 umount_vxfs (1M)