NFS Services Administrator's Guide (B.11.31.04) March 2009

AutoFS Filesystem.........................................................................................................66
The automount Command..........................................................................................66
The automountd Daemon ..........................................................................................66
Maps Overview..................................................................................................................67
Features ..............................................................................................................................69
On-Demand Mounting..................................................................................................69
Browsability for Indirect Maps.....................................................................................70
Concurrent Mount And Unmount................................................................................71
NFS Loopback Mount...................................................................................................71
Client-side Failover Support.........................................................................................71
Secure NFS Support......................................................................................................71
Reliable NFS Ping..........................................................................................................71
Supported Filesystems........................................................................................................72
Supported Backends (Map Locations)................................................................................73
Enabling LDAP Support for AutoFS.............................................................................73
AutoFS Configuration Prerequisites..................................................................................75
Updating from Automounter to AutoFS............................................................................75
AutoFS Configuration Changes.........................................................................................76
Configuring AutoFS Using the nfsconf File..............................................................77
Configuring AutoFS Using the/etc/default/autofs File.....................................78
Enabling AutoFS.................................................................................................................79
Notes on AutoFS Master Map............................................................................................79
Deciding Between Direct and Indirect Automounts..........................................................80
Configuring AutoFS Direct and Indirect Mounts..............................................................81
Automounting a Remote Directory Using a Direct Map..............................................82
Notes on Direct Maps..............................................................................................83
Sample File Entries for NFS Direct Automounts.....................................................84
Automounting a Remote Directory Using an Indirect Map.........................................84
Notes on Indirect Maps............................................................................................85
Sample File Entries for NFS Indirect Automounts..................................................86
Using Environment Variables as Shortcuts in AutoFS Maps.............................................87
Using Wildcard Characters as Shortcuts in AutoFS Maps.................................................88
Notes on Using Wildcard Characters as Shortcuts in Maps.........................................88
Automounting Home Directories.......................................................................................89
Example of Automounting a User’s Home Directory...................................................90
Special Maps.......................................................................................................................91
Automounting All Exported Directories from Any Host Using the -hosts Map......91
Notes on the -hosts Map........................................................................................92
Turning Off an AutoFS Map Using the -null Map.....................................................93
Notes on the -null Map.........................................................................................93
Using Executable Maps.................................................................................................94
Advanced AutoFS Administration.....................................................................................94
Automounting Multiple Directories (Hierarchical Mounts).........................................94
Configuring Replicated Servers for an AutoFS Directory............................................95
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