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1<?xml version='1.0' encoding="UTF-8"?> 1<?xml version='1.0' encoding="UTF-8"?>
2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-filesystems.xml,v 1.11 2012/04/22 11:00:49 swift Exp $ --> 2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-filesystems.xml,v 1.12 2012/10/28 10:29:03 swift Exp $ -->
3<!DOCTYPE included SYSTEM "/dtd/guide.dtd"> 3<!DOCTYPE included SYSTEM "/dtd/guide.dtd">
4 4
5<included> 5<included>
6 6
7<version>9</version> 7<version>10</version>
8<date>2012-04-22</date> 8<date>2012-10-28</date>
9 9
10<section id="filesystemsdesc"> 10<section id="filesystemsdesc">
11<title>Filesystems</title> 11<title>Filesystems</title>
12<body> 12<body>
13 13
47stable on the MIPS architectures, others are experimental. 47stable on the MIPS architectures, others are experimental.
48</p> 48</p>
49 49
50<p test="func:keyval('arch')='PPC'"> 50<p test="func:keyval('arch')='PPC'">
51Several filesystems are available for use on the PowerPC architecture including 51Several filesystems are available for use on the PowerPC architecture including
52ext2, ext3, ReiserFS and XFS, each with their strengths and faults. 52ext2, ext3, ext4, ReiserFS and XFS, each with their strengths and faults.
53</p> 53</p>
54 54
55<note test="func:keyval('arch')='PPC64'"> 55<note test="func:keyval('arch')='PPC64'">
56Several filesystems are available. ext2, ext3 and ReiserFS support is built in 56Several filesystems are available. ext2, ext3, ext4 and ReiserFS support is built in
57the Installation CD kernels. JFS and XFS support is available through kernel 57the Installation CD kernels. JFS and XFS support is available through kernel
58modules. 58modules.
59</note> 59</note>
60 60
61<p test="func:keyval('arch')='SPARC'"> 61<p test="func:keyval('arch')='SPARC'">
110generally quadruple for a given file system as its "bytes-per-inode" reduces from 110generally quadruple for a given file system as its "bytes-per-inode" reduces from
111one every 16kB to one every 4kB. You can tune this even further by using 111one every 16kB to one every 4kB. You can tune this even further by using
112<c>mke2fs -j -i &lt;ratio&gt; /dev/&lt;device&gt;</c>. 112<c>mke2fs -j -i &lt;ratio&gt; /dev/&lt;device&gt;</c>.
113</p> 113</p>
114 114
115<p test="contains('x86 Alpha MIPS AMD64 arm IA64 SPARC HPPA',func:keyval('arch'))"> 115<p test="contains('x86 Alpha MIPS AMD64 arm IA64 SPARC HPPA PPC PPC64',func:keyval('arch'))">
116<b>ext4</b> is a filesystem created as a fork of ext3 bringing new features, 116<b>ext4</b> is a filesystem created as a fork of ext3 bringing new features,
117performance improvements and removal of size limits with moderate changes 117performance improvements and removal of size limits with moderate changes
118to the on-disk format. It can span volumes up to 1 EB and with maximum file 118to the on-disk format. It can span volumes up to 1 EB and with maximum file
119size of 16 TB. Instead of the classic ext2/3 bitmap block allocation ext4 uses 119size of 16 TB. Instead of the classic ext2/3 bitmap block allocation ext4 uses
120<uri link="http://en.wikipedia.org/wiki/Extent_%28file_systems%29">extents</uri>, 120<uri link="http://en.wikipedia.org/wiki/Extent_%28file_systems%29">extents</uri>,

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