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<!--
Copyright (C) 2004-2009 FAUmachine Team <info@faumachine.org>.
This program is free software. You can redistribute it and/or modify it
under the terms of the GNU General Public License, either version 2 of
the License, or (at your option) any later version. See COPYING.
-->
<refentry>
<refmeta>
<refentrytitle>faum-mergecow</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class='date'>&packageversion;</refmiscinfo>
</refmeta>
<refnamediv>
<refname>faum-mergecow</refname>
<refpurpose>Tool for merging copy-on-write files</refpurpose>
</refnamediv>
<!-- body begins here -->
<refsynopsisdiv>
<cmdsynopsis>
<command>faum-mergecow</command>
<arg choice='plain'><replaceable>media-basefile</replaceable></arg>
<sbr/>
<sbr/>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1><title>DESCRIPTION</title>
<para>
<command>faum-mergecow</command> lets you merge the changes recorded in the
copy-on-write file with the data on the (untouched, because of copy-on-write)
original media. This can be useful for testing first with copy-on-write and
then finalizing everything by merging the changes back into the original
media.
</para>
<para>
The first parameter is the filename of the original media. The map file and the
copy-on-write data will be found by appending <filename>.map</filename> and
<filename>.cow</filename>. (usually this will be
<filename>ide-<replaceable>#</replaceable>/unit-<replaceable>#</replaceable>/media</filename>
in your virtual machine directory).
</para>
<para>
The second parameter <replaceable>file</replaceable> is the name of the file
which will contain the merged data. This file can directly be used as media
for virtual machines. Make sure there is enough room on your filesystem for
this file!
</para>
</refsect1>
&bugs;
<refsect1><title>SEE ALSO</title>
<para>
<simplelist type="inline">
<member>
<citerefentry>
<refentrytitle>faum-node-pc</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
</member>
</simplelist>
</para>
</refsect1>
&author;
&contact;
</refentry>
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