| 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 | |
| … | |
… | |
| 47 | stable on the MIPS architectures, others are experimental. |
47 | stable 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'"> |
| 51 | Several filesystems are available for use on the PowerPC architecture including |
51 | Several filesystems are available for use on the PowerPC architecture including |
| 52 | ext2, ext3, ReiserFS and XFS, each with their strengths and faults. |
52 | ext2, 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'"> |
| 56 | Several filesystems are available. ext2, ext3 and ReiserFS support is built in |
56 | Several filesystems are available. ext2, ext3, ext4 and ReiserFS support is built in |
| 57 | the Installation CD kernels. JFS and XFS support is available through kernel |
57 | the Installation CD kernels. JFS and XFS support is available through kernel |
| 58 | modules. |
58 | modules. |
| 59 | </note> |
59 | </note> |
| 60 | |
60 | |
| 61 | <p test="func:keyval('arch')='SPARC'"> |
61 | <p test="func:keyval('arch')='SPARC'"> |
| … | |
… | |
| 110 | generally quadruple for a given file system as its "bytes-per-inode" reduces from |
110 | generally quadruple for a given file system as its "bytes-per-inode" reduces from |
| 111 | one every 16kB to one every 4kB. You can tune this even further by using |
111 | one every 16kB to one every 4kB. You can tune this even further by using |
| 112 | <c>mke2fs -j -i <ratio> /dev/<device></c>. |
112 | <c>mke2fs -j -i <ratio> /dev/<device></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, |
| 117 | performance improvements and removal of size limits with moderate changes |
117 | performance improvements and removal of size limits with moderate changes |
| 118 | to the on-disk format. It can span volumes up to 1 EB and with maximum file |
118 | to the on-disk format. It can span volumes up to 1 EB and with maximum file |
| 119 | size of 16 TB. Instead of the classic ext2/3 bitmap block allocation ext4 uses |
119 | size 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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