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1<?xml version='1.0' encoding='UTF-8'?> 1<?xml version='1.0' encoding='UTF-8'?>
2<!DOCTYPE sections SYSTEM "/dtd/book.dtd"> 2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3 3
4<!-- The content of this document is licensed under the CC-BY-SA license --> 4<!-- The content of this document is licensed under the CC-BY-SA license -->
5<!-- See http://creativecommons.org/licenses/by-sa/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.34 2004/06/03 20:58:34 neysx Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.35 2004/07/03 10:05:28 swift Exp $ -->
8 8
9<sections> 9<sections>
10<section> 10<section>
11<title>Filesystem Information</title> 11<title>Filesystem Information</title>
12<subsection> 12<subsection>
13<title>What is fstab?</title> 13<title>What is fstab?</title>
14<body> 14<body>
15 15
16<p> 16<p>
17Under Linux, all partitions used by the system must be listed in 17Under Linux, all partitions used by the system must be listed in
18<path>/etc/fstab</path>. This file contains the mountpoints of those partitions 18<path>/etc/fstab</path>. This file contains the mountpoints of those partitions
19(where they are seen in the file system structure), how they should be mounted 19(where they are seen in the file system structure), how they should be mounted
20(special options) and when (automatically or not, can users mount those or not, 20(special options) and when (automatically or not, can users mount those or not,
21etc.). 21etc.).
22</p> 22</p>
68<path>/etc/fstab</path>: 68<path>/etc/fstab</path>:
69</p> 69</p>
70 70
71<pre caption="Opening /etc/fstab"> 71<pre caption="Opening /etc/fstab">
72# <i>nano -w /etc/fstab</i> 72# <i>nano -w /etc/fstab</i>
73</pre> 73</pre>
74 74
75<p> 75<p>
76Let us take a look at how we write down the options for the <path>/boot</path> 76Let us take a look at how we write down the options for the <path>/boot</path>
77partition. This is just an example, so if your architecture doesn't require a 77partition. This is just an example, so if your architecture doesn't require a
78<path>/boot</path> partition (such as <b>PPC</b>), don't copy it verbatim. 78<path>/boot</path> partition (such as <b>PPC</b>), don't copy it verbatim.
79</p> 79</p>
80 80
81<p> 81<p>
82In our default x86 partitioning example <path>/boot</path> is the 82In our default x86 partitioning example <path>/boot</path> is the
83<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem. It shouldn't 83<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem.
84be mounted automatically (<c>noauto</c>) but does need to be checked. So we 84It needs to be checked during boot, so we would write down:
85would write down:
86</p> 85</p>
87 86
88<pre caption="An example /boot line for /etc/fstab"> 87<pre caption="An example /boot line for /etc/fstab">
89/dev/hda1 /boot ext2 noauto 1 2 88/dev/hda1 /boot ext2 defaults 1 2
89</pre>
90
91<p>
92Some users don't want their <path>/boot</path> partition to be mounted
93automatically. Those people should substitute <c>defaults</c> with
94<c>noauto</c>. This does mean that you need to manually mount this partition
95every time you want to use it.
90</pre> 96</p>
91 97
92<p> 98<p>
93Now, to improve performance, most users would want to add the <c>noatime</c> 99Now, to improve performance, most users would want to add the <c>noatime</c>
94option as mountoption, which results in a faster system since access times 100option as mountoption, which results in a faster system since access times
95aren't registered (you don't need those generally anyway): 101aren't registered (you don't need those generally anyway):
96</p> 102</p>
97 103
98<pre caption="An improved /boot line for /etc/fstab"> 104<pre caption="An improved /boot line for /etc/fstab">
99/dev/hda1 /boot ext2 noauto,noatime 1 2 105/dev/hda1 /boot ext2 noauto,noatime 1 2
100</pre> 106</pre>
101 107
102<p> 108<p>
103If we continue with this, we would end up with the following three lines (for 109If we continue with this, we would end up with the following three lines (for
104<path>/boot</path>, <path>/</path> and the swap partition): 110<path>/boot</path>, <path>/</path> and the swap partition):
105</p> 111</p>

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