Contents of /xml/htdocs/doc/en/handbook/hb-install-filesystems.xml

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Mon Mar 3 16:23:21 2008 UTC (10 years, 11 months ago) by jkt
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- on amd64, xfs isn't experimental at all
- on arm, xfs and jfs have about same chances to work

1 neysx 1.1 <?xml version='1.0' encoding="UTF-8"?>
2 jkt 1.3 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-filesystems.xml,v 1.2 2008/03/03 01:27:18 nightmorph Exp $ -->
3 neysx 1.1 <!DOCTYPE included SYSTEM "/dtd/guide.dtd">
5     <included>
7 jkt 1.3 <version>3</version>
8     <date>2008-03-03</date>
9 neysx 1.1
10     <section id="filesystemsdesc">
11     <title>Filesystems</title>
12     <body>
14     <p test="contains('x86 Alpha',func:keyval('arch'))">
15     The Linux kernel supports various filesystems. We'll explain ext2, ext3,
16     ReiserFS, XFS and JFS as these are the most commonly used filesystems on Linux
17     systems.
18     </p>
20     <p test="func:keyval('arch')='IA64'">
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
23     systems.
24     </p>
26     <p test="func:keyval('arch')='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:
29 jkt 1.3 ext2, ext3 and XFS. JFS and ResierFS may work but need more testing. If you're
30 nightmorph 1.2 really adventurous you can try the other filesystems.
31 neysx 1.1 </p>
33     <p test="func:keyval('arch')='arm'">
34     Several filesystems are available. Some of them are found stable on the arm
35 jkt 1.3 architecture, others aren't. ext2 and ext3 are found to be stable. JFS, XFS and
36 neysx 1.1 ReiserFS may work but need more testing. If you're really adventurous you can
37 nightmorph 1.2 try the other filesystems.
38 neysx 1.1 </p>
40     <p test="func:keyval('arch')='HPPA'">
41     Several filesystems are available. Ext2, ext3, XFS and reiserfs are found
42     stable on the HPPA architecture. The others are very experimental.
43     </p>
45     <p test="func:keyval('arch')='MIPS'">
46     Several filesystems are available. ReiserFS, EXT2 and EXT3 are found stable on
47     the MIPS architectures, others are experimental.
48     </p>
50     <p test="func:keyval('arch')='PPC'">
51     Several filesystems are available for use on the PowerPC architecture including
52     ext2, ext3, ReiserFS and XFS, each with their strengths and faults.
53     </p>
55     <note test="func:keyval('arch')='PPC64'">
56     Several filesystems are available. ext2, ext3 and ReiserFS support is built in
57     the Installation CD kernels. JFS and XFS support is available through kernel
58     modules.
59     </note>
61     <p test="func:keyval('arch')='SPARC'">
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.
64     Alternate filesystems may not function correctly.
65     </p>
67     <note test="func:keyval('arch')='Alpha'">
68     <c>aboot</c> only supports booting from <b>ext2</b> and <b>ext3</b>
69     partitions.
70     </note>
72     </body>
73     <body>
75     <p test="func:keyval('arch')='IA64'">
76     <b>vfat</b> is the MS-DOS filesystem, updated to allow long filenames. It is
77     also the only filesystem type that the EFI firmware on ia64 systems
78     understands. The boot partition on ia64 systems should always be vfat, but for
79     your data partitions you should use one of the other filesystems listed below.
80     </p>
82     <p>
83     <b>ext2</b> is the tried and true Linux filesystem but doesn't have metadata
84     journaling, which means that routine ext2 filesystem checks at startup time can
85     be quite time-consuming. There is now quite a selection of newer-generation
86     journaled filesystems that can be checked for consistency very quickly and are
87     thus generally preferred over their non-journaled counterparts. Journaled
88     filesystems prevent long delays when you boot your system and your filesystem
89     happens to be in an inconsistent state.
90     </p>
92     <p>
93     <b>ext3</b> is the journaled version of the ext2 filesystem, providing metadata
94     journaling for fast recovery in addition to other enhanced journaling modes like
95     full data and ordered data journaling. It uses an HTree index that enables high
96     performance in almost all situations. In short, ext3 is a very good and reliable
97     filesystem. Ext3 is the recommended all-purpose all-platform filesystem.
98     </p>
100     </body>
101     <body test="not(func:keyval('arch')='SPARC')">
103     <p test="not(func:keyval('arch')='PPC')">
104     <b>JFS</b> is IBM's high-performance journaling filesystem. JFS is a light,
105     fast and reliable B+tree-based filesystem with good performance in various
106     conditions.
107     </p>
109     <p>
110     <b>ReiserFS</b> is a B+tree-based journaled filesystem that has good overall
111     performance, especially when dealing with many tiny files at the cost of more
112     CPU cycles. ReiserFS appears to be less maintained than other filesystems.
113     </p>
115     <p>
116     <b>XFS</b> is a filesystem with metadata journaling which comes with a robust
117     feature-set and is optimized for scalability. XFS seems to be less forgiving to
118     various hardware problems.
119     </p>
121     </body>
122     </section>
123     </included>

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