source: postlfs/filesystems/ext3.xml@ 064db32a

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Last change on this file since 064db32a was 064db32a, checked in by Larry Lawrence <larry@…>, 19 years ago

caught a few more tags

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@876 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<sect1 id="postlfs-filesystems-ext3">
2<?dbhtml filename="ext3.html" dir="postlfs"?>
3<title>Ext3</title>
4
5<para>Ext3 is a journaling filesystem that is an extension to the ext2
6filesystem. It is backward compatible with ext2 and the conversion from ext2
7to ext3 is trivial.</para>
8
9<para>You don't need to install anything to use ext3, all the required
10packages are available with a bare LFS system.</para>
11
12<para>When building the kernel, ensure that you have compiled in ext3
13support. If you want your root partition to be ext3, then compile the ext3
14support in the kernel, else you may compile it as a module. Recompile the
15kernel if needed.</para>
16
17<para>Edit your <filename>/etc/fstab</filename>. For each partition that you want to convert into
18ext3, edit the entry so that it looks similar to the following line.</para>
19
20<para><screen>/dev/hdXX /mnt_point ext3 defaults 1 0</screen></para>
21
22<para>In the above line, replace <filename>/dev/hdXX</filename> by the
23partition (e.g. <filename>/dev/hda2</filename>),
24<filename class="directory">/mnt_point</filename> by the mount point (e.g. <filename>/home</filename>). The 0 in the last field ensures
25that the partition will not be checked for consistency during bootup by the
26checkfs script. You may replace the ext3 fs type in the above by auto if you
27want to ensure that the partition is mounted if you accidentally skip
28enabling the ext3 support in the kernel.</para>
29
30<para>For each partition that you have converted to ext3 in
31<filename>/etc/fstab</filename>,
32enable the journal for the partition by running the following command.</para>
33
34<para><userinput>tune2fs -j /dev/hdXX</userinput></para>
35
36<para>Remount the concerned partitions, or simply reboot if you have
37recompiled the kernel to enable ext3 support.</para>
38
39<para>More information is available at <ulink
40url="http://www.zip.com.au/~akpm/linux/ext3/ext3-usage.html"/></para>
41
42</sect1>
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