/[gentoo]/xml/htdocs/doc/en/handbook/hb-install-alpha-disk.xml
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1<?xml version='1.0' encoding='UTF-8'?> 1<?xml version='1.0' encoding='UTF-8'?>
2<!DOCTYPE sections SYSTEM "/dtd/book.dtd"> 2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3 3
4<!-- The content of this document is licensed under the CC-BY-SA license --> 4<!-- The content of this document is licensed under the CC-BY-SA license -->
5<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> 5<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-alpha-disk.xml,v 1.20 2005/08/25 19:22:50 neysx Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-alpha-disk.xml,v 1.21 2006/06/21 01:49:06 nightmorph Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>2.3</version> 11<version>2.4</version>
12<date>2005-08-25</date> 12<date>2006-06-20</date>
13 13
14<section> 14<section>
15<title>Introduction to Block Devices</title> 15<title>Introduction to Block Devices</title>
16<subsection> 16<subsection>
17<title>Block Devices</title> 17<title>Block Devices</title>
18<body> 18<body>
19 19
20<p> 20<p>
21We'll take a good look at disk-oriented aspects of Gentoo Linux 21We'll take a good look at disk-oriented aspects of Gentoo Linux
22and Linux in general, including Linux filesystems, partitions and block devices. 22and Linux in general, including Linux filesystems, partitions and block devices.
23Then, once you're familiar with the ins and outs of disks and filesystems, 23Then, once you're familiar with the ins and outs of disks and filesystems,
24you'll be guided through the process of setting up partitions and filesystems 24you'll be guided through the process of setting up partitions and filesystems
25for your Gentoo Linux installation. 25for your Gentoo Linux installation.
26</p> 26</p>
27 27
633link="#filesystems-apply">Applying a Filesystem to a Partition</uri>. 633link="#filesystems-apply">Applying a Filesystem to a Partition</uri>.
634Otherwise read on to learn about the available filesystems... 634Otherwise read on to learn about the available filesystems...
635</p> 635</p>
636 636
637</body> 637</body>
638</subsection> 638</subsection>
639<subsection> 639<subsection>
640<title>Filesystems?</title> 640<title>Filesystems?</title>
641<body> 641<body>
642 642
643<p> 643<p>
644Several filesystems are available. Most of them are found stable on the 644Several filesystems are available. Most of them are found stable on the
645Alpha architecture. 645Alpha architecture.
646</p> 646</p>
647 647
648<note>
649<c>aboot</c> only supports booting from <b>ext2</b> and <b>ext3</b>
650partitions.
651</note>
652
648<p> 653<p>
649<b>ext2</b> is the tried and true Linux filesystem but doesn't have metadata 654<b>ext2</b> is the tried and true Linux filesystem but doesn't have metadata
650journaling, which means that routine ext2 filesystem checks at startup time can 655journaling, which means that routine ext2 filesystem checks at startup time can
651be quite time-consuming. There is now quite a selection of newer-generation 656be quite time-consuming. There is now quite a selection of newer-generation
652journaled filesystems that can be checked for consistency very quickly and are 657journaled filesystems that can be checked for consistency very quickly and are
653thus generally preferred over their non-journaled counterparts. Journaled 658thus generally preferred over their non-journaled counterparts. Journaled
654filesystems prevent long delays when you boot your system and your filesystem 659filesystems prevent long delays when you boot your system and your filesystem
655happens to be in an inconsistent state. 660happens to be in an inconsistent state.
656</p> 661</p>
657 662
658<p> 663<p>
659<b>ext3</b> is the journaled version of the ext2 filesystem, providing metadata 664<b>ext3</b> is the journaled version of the ext2 filesystem, providing metadata
660journaling for fast recovery in addition to other enhanced journaling modes like 665journaling for fast recovery in addition to other enhanced journaling modes like
661full data and ordered data journaling. ext3 is a very good and reliable 666full data and ordered data journaling. ext3 is a very good and reliable
662filesystem. It has an additional hashed b-tree indexing option that enables 667filesystem. It has an additional hashed b-tree indexing option that enables

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