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automount (8)
  • automount (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • automount (8) ( Русские man: Команды системного администрирования )
  • >> automount (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    automount - manage autofs mount points
     
    

    SYNOPSIS

    automount [options] [master_map]  

    DESCRIPTION

    The automount program is used to manage mount points for autofs, the inlined Linux automounter. automount works by reading the auto.master(8) map and sets up mount points for each entry in the master map allowing them to be automatically mounted when accessed. The file systems are then automatically umounted after a period of inactivity.  

    OPTIONS

    -h, --help
    Print brief help on program usage.
    -p, --pid-file
    Write the pid of the daemon to the specified file.
    -t, --timeout
    Set the global minimum timeout, in seconds, until directories are unmounted. The default is 10 minutes. Setting the timeout to zero disables umounts completely.
    -v, --verbose
    Enables logging of general status and progress messages for all autofs managed mounts.
    -d, --debug
    Enables logging of general status and progress messages as well as debuging messages for all autofs managed mounts.
    -Dvariable=value
    Define a global macro substitution variable. Global definitions are over-ridden macro definitions of the same name specified in mount entries.
    -r, --random-multimount-selection
    Enables the use of ramdom selection when choosing a host from a list of replicated servers.
    -O, --global-options
    Allows the specification of global mount options used for all master map entries. These options will either replace or be appened to options given in a master map entry depending on the APPEND_OPTIONS configuration setting.
    -V, --version
    Display the version number, then exit.
     

    ARGUMENTS

    automount takes one optional argument, the name of the master map to use.
    master_map
    Location for autofs master map that defines autofs managed mount points and the mount maps they will use. The default is /etc/auto.master.
     

    NOTES

    If the automount daemon catches a USR1 signal, it will umount all currently unused autofs managed mounted file systems and continue running (forced expire). If it catches the TERM signal it will umount all unused autofs managed mounted file systems and exit if there are no remaining busy file systems. If autofs has been compiled with the option to ignore busy mounts on exit it will exit leaving any busy mounts in place otherwise busy file systems will not be umounted and autofs will not exit. Alternatively, if autofs has been compiled with the option to enable forced shutdown then a USR2 signal to the daemon will cause all mounts to be umounted and any busy mounts to be forcibly umounted, including autofs mount point directories (summary execution). Note that the forced umount is an unlink operation and the actual umount will not happen in the kernel until active file handles are released. The daemon also responds to a HUP signal which triggers an update of the maps for each mount point. If any autofs mount point directories are busy when the daemon is sent an exit signal the daemon will not exit. The exception to this is if autofs has been built with configure options to either ignore busy mounts at exit or force umount at exit. If the ignore busy mounts at exit option is used the filesystems will be left in a catatonic (non-functional) state and can be manually umounted when they become unused. If the force umount at exit option is used the filesystems will be umounted but the mount will not be released by the kernel until they are no longer in use by the processes that held them busy. If automount managed filesystems are found mounted when autofs is started they will be recoverd unless they are no longer present in the map in which case they need to umounted manually.  

    SEE ALSO

    autofs(5), mount(8).  

    BUGS

    Don't know, I've fixed everything I know about.

    The documentation could be better.

    Please report other bugs along with a detailed description to <[email protected]>. For instructions on how to join the list and for archives visit http://linux.kernel.org/mailman/listinfo/autofs  

    AUTHOR

    H. Peter Anvin <[email protected]> and Ian Kent <[email protected]>.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    ARGUMENTS
    NOTES
    SEE ALSO
    BUGS
    AUTHOR


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