| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 4 | %general-entities;
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| 5 | ]>
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| 6 | <sect1 id="space-creatingfilesystem">
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| 7 | <title>Creating a File System on the Partition</title>
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| 8 | <?dbhtml filename="creatingfilesystem.html"?>
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| 9 |
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| 10 | <para>Now that a blank partition has been set up, the file system can
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| 11 | be created. The most widely-used system in the Linux world is the
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| 12 | second extended file system (ext2), but with the newer high-capacity
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| 13 | hard disks, the journaling file systems are becoming increasingly
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| 14 | popular. Here we will create an ext2 file system, but build
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| 15 | instructions for other file systems can be found at <ulink
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| 16 | url="&blfs-root;view/svn/postlfs/filesystems.html"><phrase
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| 17 | condition="pdf">&blfs-root;view/svn/ postlfs/filesystems.html</phrase></ulink>.</para>
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| 18 |
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| 19 | <para>To create an ext2 file system on the LFS partition, run the following:</para>
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| 20 |
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| 21 | <screen><userinput>mke2fs /dev/<replaceable>[xxx]</replaceable></userinput></screen>
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| 22 |
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| 23 | <para>Replace <replaceable>[xxx]</replaceable> with the name of the LFS
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| 24 | partition (<filename class="devicefile">hda5</filename> in our previous example).</para>
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| 25 |
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| 26 | <note><para>Some host distributions use custom features in their filesystem
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| 27 | creation tools (e2fsprogs). This can cause problems when booting into your new
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| 28 | LFS in Chapter 9, as those features will not be supported by the LFS-installed
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| 29 | e2fsprogs; you will get an error similar to <quote>unsupported filesystem
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| 30 | features, upgrade your e2fsprogs</quote>. To check if your host system
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| 31 | uses custom enhancements, run the following command:</para>
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| 32 |
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| 33 | <screen><userinput>debugfs -R feature /dev/<replaceable>[xxx]</replaceable></userinput></screen>
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| 34 |
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| 35 | <para>If the output contains features other than: dir_index; filetype;
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| 36 | large_file; resize_inode or sparse_super then your host system may have custom
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| 37 | enhancements. In that case, to avoid later problems, you should compile the
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| 38 | stock e2fsprogs package and use the resulting binaries to re-create the
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| 39 | filesystem on your LFS partition:</para>
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| 40 |
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| 41 | <screen><userinput>cd /tmp
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| 42 | tar xjf /path/to/sources/e2fsprogs-&e2fsprogs-version;.tar.bz2
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| 43 | cd e2fsprogs-&e2fsprogs-version;
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| 44 | mkdir build
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| 45 | cd build
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| 46 | ../configure
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| 47 | make #note that we intentionally don't 'make install' here!
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| 48 | ./misc/mke2fs /dev/<replaceable>[xxx]</replaceable>
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| 49 | cd /tmp
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| 50 | rm -rf e2fsprogs-&e2fsprogs-version;</userinput></screen>
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| 51 | </note>
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| 52 |
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| 53 | <para>If a swap partition was created, it will need to be initialized
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| 54 | as a swap partition too (also known as formatting, as described above
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| 55 | with <command>mke2fs</command>) by running the following. If you are using an existing
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| 56 | swap partition, there is no need to format it.</para>
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| 57 |
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| 58 | <screen><userinput>mkswap /dev/<replaceable>[yyy]</replaceable></userinput></screen>
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| 59 |
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| 60 | <para>Replace <replaceable>[yyy]</replaceable> with the name of the swap
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| 61 | partition.</para>
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| 62 |
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| 63 | </sect1>
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| 64 |
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