| 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 1.7 2011/08/22 17:18:23 swift Exp $ --> |
2 | <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-filesystems.xml,v 1.8 2011/09/04 14:34:01 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>5</version> |
7 | <version>6</version> |
| 8 | <date>2011-08-22</date> |
8 | <date>2011-09-04</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 | |
| … | |
… | |
| 17 | systems. |
17 | systems. |
| 18 | </p> |
18 | </p> |
| 19 | |
19 | |
| 20 | <p test="func:keyval('arch')='IA64'"> |
20 | <p test="func:keyval('arch')='IA64'"> |
| 21 | The Linux kernel supports various filesystems. We'll explain vfat, ext2, ext3, |
21 | The Linux kernel supports various filesystems. We'll explain vfat, ext2, ext3, |
| 22 | ReiserFS, XFS and JFS as these are the most commonly used filesystems on Linux |
22 | ext4, ReiserFS, XFS and JFS as these are the most commonly used filesystems on |
| 23 | systems. |
23 | Linux systems. |
| 24 | </p> |
24 | </p> |
| 25 | |
25 | |
| 26 | <p test="func:keyval('arch')='AMD64'"> |
26 | <p test="func:keyval('arch')='AMD64'"> |
| 27 | Several filesystems are available. Some of them are found stable on the amd64 |
27 | Several filesystems are available. Some of them are found stable on the amd64 |
| 28 | architecture, others aren't. The following filesystems are found to be stable: |
28 | architecture, others aren't. The following filesystems are found to be stable: |
| … | |
… | |
| 30 | you're really adventurous you can try the other filesystems. |
30 | you're really adventurous you can try the other filesystems. |
| 31 | </p> |
31 | </p> |
| 32 | |
32 | |
| 33 | <p test="func:keyval('arch')='arm'"> |
33 | <p test="func:keyval('arch')='arm'"> |
| 34 | Several filesystems are available. Some of them are found stable on the arm |
34 | Several filesystems are available. Some of them are found stable on the arm |
| 35 | architecture, others aren't. ext2 and ext3 are found to be stable. JFS, XFS and |
35 | architecture, others aren't. ext2, ext3 and ext4 are found to be stable. JFS, |
| 36 | ReiserFS may work but need more testing. If you're really adventurous you can |
36 | XFS and ReiserFS may work but need more testing. If you're really adventurous |
| 37 | try the other filesystems. |
37 | you can try the other filesystems. |
| 38 | </p> |
38 | </p> |
| 39 | |
39 | |
| 40 | <p test="func:keyval('arch')='HPPA'"> |
40 | <p test="func:keyval('arch')='HPPA'"> |
| 41 | Several filesystems are available. Ext2, ext3, XFS and reiserfs are found |
41 | Several filesystems are available. Ext2, ext3, XFS and reiserfs are found |
| 42 | stable on the HPPA architecture. The others are very experimental. |
42 | stable on the HPPA architecture. The others are very experimental. |
| … | |
… | |
| 58 | modules. |
58 | modules. |
| 59 | </note> |
59 | </note> |
| 60 | |
60 | |
| 61 | <p test="func:keyval('arch')='SPARC'"> |
61 | <p test="func:keyval('arch')='SPARC'"> |
| 62 | Several filesystems are available, some are known to be stable on the |
62 | Several filesystems are available, some are known to be stable on the |
| 63 | SPARC architecture. Ext2 and ext3, for example, are known to work well. |
63 | SPARC architecture. Ext2, ext3 and ext4, for example, are known to work well. |
| 64 | Alternate filesystems may not function correctly. |
64 | Alternate filesystems may not function correctly. |
| 65 | </p> |
65 | </p> |
| 66 | |
66 | |
| 67 | <note test="func:keyval('arch')='Alpha'"> |
67 | <note test="func:keyval('arch')='Alpha'"> |
| 68 | <c>aboot</c> only supports booting from <b>ext2</b> and <b>ext3</b> |
68 | <c>aboot</c> only supports booting from <b>ext2</b> and <b>ext3</b> |
| … | |
… | |
| 101 | filesystem. If you intend to install Gentoo on a very small disk (less than |
101 | filesystem. If you intend to install Gentoo on a very small disk (less than |
| 102 | 4GB), then you'll need to tell ext3 to reserve enough inodes when you create the |
102 | 4GB), then you'll need to tell ext3 to reserve enough inodes when you create the |
| 103 | filesystem by running <c>mke2fs -j -T small /dev/<device></c>. |
103 | filesystem by running <c>mke2fs -j -T small /dev/<device></c>. |
| 104 | </p> |
104 | </p> |
| 105 | |
105 | |
| 106 | <p test="contains('x86 Alpha MIPS AMD64',func:keyval('arch'))"> |
106 | <p test="contains('x86 Alpha MIPS AMD64 arm IA64 SPARC',func:keyval('arch'))"> |
| 107 | <b>ext4</b> is a filesystem created as a fork of ext3 bringing new features, |
107 | <b>ext4</b> is a filesystem created as a fork of ext3 bringing new features, |
| 108 | performance improvements and removal of size limits with moderate changes |
108 | performance improvements and removal of size limits with moderate changes |
| 109 | to the on-disk format. It can span volumes up to 1 EB and with maximum file |
109 | to the on-disk format. It can span volumes up to 1 EB and with maximum file |
| 110 | size of 16 TB. Instead of the classic ext2/3 bitmap block allocation ext4 uses |
110 | size of 16 TB. Instead of the classic ext2/3 bitmap block allocation ext4 uses |
| 111 | <uri link="http://en.wikipedia.org/wiki/Extent_%28file_systems%29">extents</uri>, |
111 | <uri link="http://en.wikipedia.org/wiki/Extent_%28file_systems%29">extents</uri>, |
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