Author: bdubbs
Date: Wed May 16 13:54:19 2018
New Revision: 11411
Log:
Provide better i18n instructions to setting up /etc/fstab.
Modified:
trunk/BOOK/chapter08/fstab.xml
Modified: trunk/BOOK/chapter08/fstab.xml
==============================================================================
--- trunk/BOOK/chapter08/fstab.xml Fri May 11 10:58:08 2018 (r11410)
+++ trunk/BOOK/chapter08/fstab.xml Wed May 16 13:54:19 2018 (r11411)
@@ -56,26 +56,37 @@
class="filesystem">ext4</systemitem>. For details on the six
fields in this file, see <command>man 5 fstab</command>.</para>
- <para>Filesystems with MS-DOS or Windows origin (i.e.: vfat, ntfs, smbfs,
cifs,
- iso9660, udf) need the <quote>iocharset</quote> mount option in order for
- non-ASCII characters in file names to be interpreted properly. The value
- of this option should be the same as the character set of your locale,
- adjusted in such a way that the kernel understands it. This works if the
- relevant character set definition (found under File systems ->
- Native Language Support) has been compiled into the kernel
- or built as a module. The <quote>codepage</quote> option is also needed for
- vfat and smbfs filesystems. It should be set to the codepage number used
- under MS-DOS in your country. E.g., in order to mount USB flash drives, a
- ru_RU.KOI8-R user would need the following in the options portion of its
- mount line in <filename>/etc/fstab</filename>:</para>
+ <para>Filesystems with MS-DOS or Windows origin (i.e. vfat, ntfs, smbfs,
+ cifs, iso9660, udf) need a special option, utf8, in order for non-ASCII
+ characters in file names to be interpreted properly. For non-UTF-8 locales,
+ the value of <option>iocharset</option> should be set to be the same as the
+ character set of the locale, adjusted in such a way that the kernel
+ understands it. This works if the relevant character set definition (found
+ under File systems -> Native Language Support when configuring the kernel)
+ has been compiled into the kernel or built as a module. However, if the
+ character set of the locale is UTF-8, the corresponding option
+ <option>iocharset=utf8</option> would make the file system case sensitive. To
+ fix this, use the special option <option>utf8</option> instead of
+ <option>iocharset=utf8</option>, for UTF-8 locales. The
+ <quote>codepage</quote> option is also needed for vfat and smbfs filesystems.
+ It should be set to the codepage number used under MS-DOS in your country.
+ For example, in order to mount USB flash drives, a ru_RU.KOI8-R user would
+ need the following in the options portion of its mount line in
+ <filename>/etc/fstab</filename>:</para>
-<screen><literal>noauto,user,quiet,showexec,iocharset=koi8r,codepage=866</literal></screen>
+<screen><literal>noauto,user,quiet,showexec,codepage=866,iocharset=koi8r</literal></screen>
<para>The corresponding options fragment for ru_RU.UTF-8 users is:</para>
-<screen><literal>noauto,user,quiet,showexec,iocharset=utf8,codepage=866</literal></screen>
+<screen><literal>noauto,user,quiet,showexec,codepage=866,utf8</literal></screen>
- <note>
+ <para>Note that using <option>iocharset</option> is the default for
+ <literal>iso8859-1</literal> (which keeps the file system case
+ insensitive), and the <option>utf8</option> option tells
+ the kernel to convert the file names using UTF-8 so they can be
+ interpreted in the UTF-8 locale.</para>
+
+ <!--note>
<para>In the latter case, the kernel emits the following message:</para>
<screen><computeroutput>FAT: utf8 is not a recommended IO charset for FAT
filesystems,
@@ -84,7 +95,7 @@
<para>This negative recommendation should be ignored, since all other
values
of the <quote>iocharset</quote> option result in wrong display of
filenames in
UTF-8 locales.</para>
- </note>
+ </note-->
<para>It is also possible to specify default codepage and iocharset values
for
some filesystems during kernel configuration. The relevant parameters
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