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<title>ReiserFS -- a filesystem based on balanced tree algorithms</title>
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<body>

<!-- INDEX BEGIN -->
<!--

<UL>

	<LI><A HREF="#NAME">NAME</A>
	<LI><A HREF="#DESCRIPTION">DESCRIPTION</A>
	<LI><A HREF="#INSTALLATION_STEPS">INSTALLATION STEPS</A>
	<LI><A HREF="#CONFIGURATION">CONFIGURATION</A>
	<LI><A HREF="#AUTHOR">AUTHOR</A>
	<LI><A HREF="#BUGS">BUGS</A>
	<LI><A HREF="#AVAILABILITY">AVAILABILITY</A>
	<LI><A HREF="#SEE_ALSO">SEE ALSO</A>
</UL>
-->
<!-- INDEX END -->

<P>
<H1><A NAME="NAME">NAME</A></H1>
<P>
ReiserFS -- a file system based on balanced tree algorithms.

<P>
<HR>
<H1><A NAME="DESCRIPTION">DESCRIPTION</A></H1>
<P>
ReiserFS is a filesystem based on plug-in based object-oriented balanced
tree algorithms. See <A
HREF="http://www.namesys.com">http://www.namesys.com</A>
for a full treatment of ReiserFS.

<P>
<HR>
<H1><A NAME="INSTALLATION_STEPS">INSTALLATION STEPS</A></H1>
<UL>
<LI>
<P>
Get the latest ReiserFS patches from one of the mirrors listed at <A
HREF="http://www.namesys.com">http://www.namesys.com</A>


<LI>
<P>
Suppose you have linux-2.2.15-reiserfs-3.5.21-patch.gz (latest as of
06/06/2000).

<LI>
<P>
Have kernel sources of 2.2.15.

<LI>
<P>
Apply ReiserFS patch to it.

<LI>
<P>
When configuring, say y or n on ReiserFS support question. Read
<A HREF="#CONFIGURATION">CONFIGURATION</A> section below.

<LI>
<P>
Compile and install kernel image and modules as usual.

<LI>
<P>
ReiserFS utils are located in the patched kernel source tree in
linux/fs/reiserfs/utils. Follow the instruction of
linux/fs/reiserfs/utils/README.

<LI>
<P>
Boot with the kernel just built, mkreiserfs spare partition, mount it.

<LI>
<P>
Have fun.

</UL>
<P>
<HR>
<H1><A NAME="CONFIGURATION">CONFIGURATION</A></H1>
<P>
This section will try to describe what you can vary when using ReiserFS.
ReiserFS has several mount options to play with.

<DL>
<DT><STRONG><A NAME="item_notail">notail</A></STRONG><DD>
<P>
causes filesystem to work faster, especially for small appends to small
files. But it wastes more disk space in that case.

<DT><STRONG><A NAME="item_nolog">nolog</A></STRONG><DD>
<P>
turns off journalling feature of ReiserFS. This gives performance gain for
some applications, but you lose fault tolerance. That is, you must properly
umount your disk, or else you will have to repair the filesystem using <EM>reiserfsck(8)</EM> on the subsequent boot.

<DT><STRONG><A NAME="item_resize">resize</A></STRONG><DD>
<P>
used for on-line ReiserFS resizing. To grow a ReiserFS online, use

<P>
<PRE>    mount -o remount,resize=NEW_BLOCKCOUNT /mnt
</PRE>
<DT><STRONG><A NAME="item_replayonly">replayonly</A></STRONG><DD>
<P>
used internally by <EM>reiserfsck(8)</EM> to replay the journal before doing filesystem check. (No actual mount
happens if you try to mount ReiserFS with this option, only the log
replay.)

</DL>
<P>
<HR>
<H1><A NAME="AUTHOR">AUTHOR</A></H1>
<P>
See <A
HREF="http://www.namesys.com">http://www.namesys.com</A>
for a current list, there are many, Vladimir Saveljev, Igor, and Hans
Reiser are among them. Ecila.org contributed the funding that started this
going.

<P>
<HR>
<H1><A NAME="BUGS">BUGS</A></H1>
<P>
See the patches on the DOWNLOAD page and the Mail Li.

<P>
Please, report bugs to ReiserFS Developers Mailing List &lt;<A
HREF="mailto:reiserfs-dev@namesys.com">reiserfs-dev@namesys.com</A>&gt; <!--and Vladimir
Saveljev &lt;<A
HREF="mailto:vs@namesys.botik.ru">vs@namesys.botik.ru</A>&gt;, and via
bugzilla.at <A
HREF="http://reiser.senga.org/bugzilla.">http://reiser.senga.org/bugzilla.</A>

<P>
Reporting bugs by email gets you a faster response, reporting them by
bugzilla allows you and us to track their repair, we encourage you to do
both.
-->


<P>
<HR>
<H1><A NAME="AVAILABILITY">AVAILABILITY</A></H1>
<P>
ReiserFS sources are available for anonymous ftp from one of our mirrors
listed at <A
HREF="http://namesys.com">http://namesys.com</A>

<P>
<HR>
<H1><A NAME="SEE_ALSO">SEE ALSO</A></H1>
<P>
<EM>mkreiserfs(8)</EM>, <EM>reiserfsck(8)</EM>



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