systemd.automount — Automount unit configuration
automount.automount
A unit configuration file whose name ends in
".automount" encodes information about a file
system automount point controlled and supervised by
systemd.
This man page lists the configuration options specific to this unit type. See systemd.unit(5) for the common options of all unit configuration files. The common configuration items are configured in the generic [Unit] and [Install] sections. The automount specific configuration options are configured in the [Automount] section.
Automount units must be named after the automount
directories they control. Example: the automount point
/home/lennart must be
configured in a unit file
home-lennart.automount. For details about the
escaping logic used to convert a file system path to a unit name
see
systemd.unit(5).
For each automount unit file a matching mount unit file (see
systemd.mount(5)
for details) must exist which is activated when the automount path
is accessed. Example: if an automount unit
home-lennart.automount is active and the user
accesses /home/lennart the mount unit
home-lennart.mount will be activated.
Automount units may be used to implement on-demand mounting as well as parallelized mounting of file systems.
If an automount point is beneath another mount point in the file system hierarchy, a dependency between both units is created automatically.
fstab¶Automount units may either be configured via unit files, or
via /etc/fstab (see
fstab(5)
for details).
For details how systemd parses
/etc/fstab see
systemd.mount(5).
If an automount point is configured in both
/etc/fstab and a unit file, the configuration
in the latter takes precedence.
Automount files must include an [Automount] section, which carries information about the file system automount points it supervises. The options specific to the [Automount] section of automount units are the following:
Where=¶Takes an absolute path of a directory of the automount point. If the automount point does not exist at time that the automount point is installed, it is created. This string must be reflected in the unit filename. (See above.) This option is mandatory.
DirectoryMode=¶Directories of automount points (and any parent directories) are automatically created if needed. This option specifies the file system access mode used when creating these directories. Takes an access mode in octal notation. Defaults to 0755.