svn commit: r47846 - head/en_US.ISO8859-1/books/handbook/disks

Author: trasz (src,ports committer)
Date: Sun Dec 13 09:45:24 2015
New Revision: 47846
URL: https://svnweb.freebsd.org/changeset/doc/47846

Log:
  Describe how to use removable media with autofs(5).
  
  Reviewed by:	emaste@, wblock@
  Approved by:	gjb@
  MFC after:	1 month
  Sponsored by:	The FreeBSD Foundation
  Differential Revision:	https://reviews.freebsd.org/D3980

Modified:
  head/en_US.ISO8859-1/books/handbook/disks/chapter.xml

Modified: head/en_US.ISO8859-1/books/handbook/disks/chapter.xml
==============================================================================
--- head/en_US.ISO8859-1/books/handbook/disks/chapter.xml	Sat Dec 12 14:04:04 2015	(r47845)
+++ head/en_US.ISO8859-1/books/handbook/disks/chapter.xml	Sun Dec 13 09:45:24 2015	(r47846)
@@ -508,6 +508,68 @@ da0 at umass-sim0 bus 0 scbus4 target 0 
 da0: <STECH Simple Drive 1.04> s/n WD-WXE508CAN263          detached
 (da0:umass-sim0:0:0:0): Periph destroyed</screen>
     </sect2>
+
+    <sect2>
+      <title>Automounting Removable Media</title>
+
+      <note>
+        <para>&man.autofs.5; supports automatic mounting of
+	  removable media starting with &os;&nbsp;10.2-RELEASE.</para>
+      </note>
+
+      <para><acronym>USB</acronym> devices can be automatically
+        mounted by uncommenting this line in
+	<filename>/etc/auto_master</filename>:</para>
+
+      <screen>/media		-media		-nosuid</screen>
+
+      <para>Then add these lines to
+	<filename>/etc/devd.conf</filename>:</para>
+
+      <screen>notify 100 {
+	match "system" "GEOM";
+	match "subsystem" "DEV";
+	action "/usr/sbin/automount -c";
+};
+</screen>
+
+      <para>Reload the configuration if &man.autofs.5;
+        and &man.devd.8; are already running:</para>
+
+      <screen>&prompt.root; <userinput>service automount reload</userinput>
+&prompt.root; <userinput>service devd restart</userinput></screen>
+
+      <para>&man.autofs.5; can be set to start at boot by adding this
+        line to <filename>/etc/rc.conf</filename>:</para>
+
+      <programlisting>autofs_enable="YES"</programlisting>
+
+      <para>&man.autofs.5; requires &man.devd.8; to be enabled, as it
+        is by default.</para>
+
+      <para>Start the services immediately with:</para>
+
+      <screen>&prompt.root; <userinput>service automount start</userinput>
+&prompt.root; <userinput>service automountd start</userinput>
+&prompt.root; <userinput>service autounmountd start</userinput>
+&prompt.root; <userinput>service devd start</userinput></screen>
+
+      <para>Each file system that can be automatically mounted appears
+        as a directory in <filename>/media/</filename>.  The directory
+	is named after the file system label.  If the label is
+	missing, the directory is named after the device node.</para>
+
+      <para>The file system is transparently mounted on the first
+        access, and unmounted after a period of inactivity.
+	Automounted drives can also be unmounted manually:</para>
+
+      <screen>&prompt.root; <userinput>automount -fu</userinput></screen>
+
+      <para>This mechanism is typically used for memory cards and
+        <acronym>USB</acronym> memory sticks.  It can be used with
+	any block device, including optical drives or
+	<acronym>iSCSI</acronym> <acronym>LUN</acronym>s.</para>
+    </sect2>
   </sect1>
 
   <sect1 xml:id="creating-cds">
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