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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/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc-disk.xml,v 1.24 2004/11/24 08:37:31 sejo Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc-disk.xml,v 1.25 2004/12/12 11:10:46 sejo Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>1.20</version> 11<version>1.21</version>
12<date>2004-11-24</date> 12<date>2004-12-12</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>
337<subsection> 337<subsection>
338<title>Filesystems?</title> 338<title>Filesystems?</title>
339<body> 339<body>
340 340
341<p> 341<p>
342Several filesystems are available. ext2, ext3, ReiserFS and XFS are found stable 342Several filesystems are available. ext2, ext3 and XFS are found stable
343on the PPC architecture. jfs is unsupported. 343on the PPC architecture. jfs is unsupported, ReiserFS still has some problems on ppc and is not supported.
344</p> 344</p>
345 345
346<p> 346<p>
347<b>ext2</b> is the tried and true Linux filesystem but doesn't have metadata 347<b>ext2</b> is the tried and true Linux filesystem but doesn't have metadata
348journaling, which means that routine ext2 filesystem checks at startup time can 348journaling, which means that routine ext2 filesystem checks at startup time can
367performance and greatly outperforms both ext2 and ext3 when dealing with small 367performance and greatly outperforms both ext2 and ext3 when dealing with small
368files (files less than 4k), often by a factor of 10x-15x. ReiserFS also scales 368files (files less than 4k), often by a factor of 10x-15x. ReiserFS also scales
369extremely well and has metadata journaling. As of kernel 2.4.18+, ReiserFS is 369extremely well and has metadata journaling. As of kernel 2.4.18+, ReiserFS is
370solid and usable as both general-purpose filesystem and for extreme cases such 370solid and usable as both general-purpose filesystem and for extreme cases such
371as the creation of large filesystems, the use of many small files, very large 371as the creation of large filesystems, the use of many small files, very large
372files and directories containing tens of thousands of files. 372files and directories containing tens of thousands of files. Unfortunately we still have some
373issues with ReiserFS on ppc. We do not encourage people to use this filesystem.
373</p> 374</p>
374 375
375<p> 376<p>
376<b>XFS</b> is a filesystem with metadata journaling which comes with a robust 377<b>XFS</b> is a filesystem with metadata journaling which comes with a robust
377feature-set and is optimized for scalability. We only recommend using this 378feature-set and is optimized for scalability. We only recommend using this

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