man/man8/mount_udfs.8

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 MOUNT_UDFS 8 "May 12, 2008"
 NAME
mount_udfs - mount a udfs file system
 SYNOPSIS

mount -F udfs [generic_options] [-o specific_options]
 [-O] special mount_point


mount -F udfs [generic_options] [-o specific_options]
 [-O] special | mount_point


 DESCRIPTION

The mount utility attaches a udfs file system to the file system
hierarchy at the mount_point, which is the pathname of a directory. If
mount_point has any contents prior to the mount operation, these are
hidden until the file system is unmounted.

If mount is invoked with either special or mount_point as the only
arguments, mount searches /etc/vfstab to fill in the missing
arguments, including the specific_options. See mount(8).

The udfs file system supports direct mounting of files containing the
file system as well as block devices. See mount(8) and
lofiadm(8).

If special and mount_point are specified without any
specific_options, the default is rw.

If the directory on which a file system is to be mounted is a symbolic link,
the file system is mounted on the directory to which the symbolic link refers,
rather than on top of the symbolic link itself.
 OPTIONS

See mount(8) for the list of supported generic_options.

The following options are supported:
-o specific_options

Specify udfs file system specific options in a comma-separated list with
no intervening spaces. The following specific_options are available:
m

Mount the file system without making an entry in /etc/mnttab.


remount

Remount the file system as read-write. The option is used in conjunction with
the rw option.
A file system mounted read-only can be remounted as read-write. This option
fails if the file system is not currently mounted.


-O

Overlay mount. Allow the file system to be mounted over an existing mount
point, making the underlying file system inaccessible. If a mount is attempted
on a pre-existing mount point without setting this flag, the mount fails,
producing the error: device busy.


 FILES
/etc/mnttab

Table of mounted file systems


/etc/vfstab

List of default parameters for each file system


 SEE ALSO

 mount (2),  mnttab (5),  vfstab (5),  attributes (7),  fsck (8),  fsck_udfs (8),  lofiadm (8),  mount (8),  mountall (8)  DIAGNOSTICS
not super user

The command is run by a non-root user. Run as root.


no such device

The device name specified does not exist.


not a directory

The specified mount point is not a directory.


is not an udfs file system

The device specified does not contain a udf 1.50 file system or the udfs file
system module is not available.


is already mounted

The specified device is already in use.


not a block device

The device specified is not a block device. Use block device to mount.


write-protected

The device is read-only.


is corrupted. needs checking

The file system is in an inconsistent state. Run fsck.


 NOTES

Copy-protected files can be stored on DVD-ROM media using Universal Disk
Format (UDF). Reading these copy-protected files is not possible as this
involves an authentication process. Unless an authentication process between
the host and the drive is completed, reading these copy-protected files after
mounting and before the authentication process, returns an error.