NFS Services Administrator's Guide (B.11.31.03) August 2008

AutoFS Filesystem.........................................................................................................68
The automount Command..........................................................................................68
The automountd Daemon ..........................................................................................68
Maps Overview..................................................................................................................69
Features ..............................................................................................................................71
On-Demand Mounting..................................................................................................71
Browsability for Indirect Maps.....................................................................................72
Concurrent Mount And Unmount................................................................................73
NFS Loopback Mount...................................................................................................73
Client-side Failover Support.........................................................................................73
Secure NFS Support......................................................................................................73
Reliable NFS Ping..........................................................................................................74
Supported Filesystems........................................................................................................74
Supported Backends (Map Locations)................................................................................75
Enabling LDAP Support for AutoFS.............................................................................76
AutoFS Configuration Prerequisites..................................................................................77
Updating from Automounter to AutoFS............................................................................77
AutoFS Configuration Changes.........................................................................................79
Configuring AutoFS Using the nfsconf File..............................................................79
Configuring AutoFS Using the/etc/default/autofs File.....................................81
Enabling AutoFS.................................................................................................................81
Notes on AutoFS Master Map............................................................................................82
Deciding Between Direct and Indirect Automounts..........................................................83
Configuring AutoFS Direct and Indirect Mounts..............................................................83
Automounting a Remote Directory Using a Direct Map..............................................84
Notes on Direct Maps..............................................................................................85
Sample File Entries for NFS Direct Automounts.....................................................86
Automounting a Remote Directory Using an Indirect Map.........................................87
Notes on Indirect Maps............................................................................................88
Sample File Entries for NFS Indirect Automounts..................................................88
Using Environment Variables as Shortcuts in AutoFS Maps.............................................89
Using Wildcard Characters as Shortcuts in AutoFS Maps.................................................90
Notes on Using Wildcard Characters as Shortcuts in Maps.........................................91
Automounting Home Directories.......................................................................................92
Example of Automounting a User’s Home Directory...................................................93
Special Maps.......................................................................................................................93
Automounting All Exported Directories from Any Host Using the -hosts Map......94
Notes on the -hosts Map........................................................................................94
Turning Off an AutoFS Map Using the -null Map.....................................................95
Notes on the -null Map.........................................................................................96
Using Executable Maps.................................................................................................96
Advanced AutoFS Administration.....................................................................................97
Automounting Multiple Directories (Hierarchical Mounts).........................................97
Configuring Replicated Servers for an AutoFS Directory............................................97
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