openstack-manuals/doc/image-guide/ch_converting.xml
KATO Tomoyuki 3c7e35027a replace "VMWare" with "VMware".
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Change-Id: Icd94c7401c2bba3cbe5e2efd5935a3a820dcf1f1
2014-07-18 18:39:44 +09:00

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<?xml version="1.0" encoding="UTF-8"?>
<chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink"
version="5.0"
xml:id="ch_converting">
<title>Converting between image formats</title>
<para>Converting images from one format to another is generally straightforward.</para>
<simplesect>
<title>qemu-img convert: raw, qcow2, VDI, VMDK</title>
<para>The <command>qemu-img convert</command> command can do conversion between multiple
formats, including raw, qcow2, VDI (VirtualBox), VMDK (VMware) and VHD (Hyper-V).</para>
<table
rules="all">
<caption>qemu-img format strings</caption>
<thead>
<tr>
<th>Image format</th>
<th>Argument to qemu-img</th>
</tr>
</thead>
<tbody>
<tr>
<td>raw</td>
<td><literal>raw</literal></td>
</tr>
<tr>
<td>qcow2</td>
<td><literal>qcow2</literal></td>
</tr>
<tr>
<td>VDI (VirtualBox)</td>
<td><literal>vdi</literal></td>
</tr>
<tr>
<td>VMDK (VMware)</td>
<td><literal>vmdk</literal></td>
</tr>
<tr>
<td>VHD (Hyper-V)</td>
<td><literal>vpc</literal></td>
</tr>
</tbody>
</table>
<para>This example will convert a raw image file named centos63.dsk to a qcow2 image file.</para>
<para>
<screen><prompt>$</prompt> <userinput>qemu-img convert -f raw -O qcow2 centos64.dsk centos64.qcow2</userinput></screen>
</para>
<para>To convert from vmdk to raw, you would do:
<screen><prompt>$</prompt> <userinput>qemu-img convert -f vmdk -O raw centos64.vmdk centos64.img</userinput></screen></para>
<para>
<note>
<para>The <literal>-f <replaceable>format</replaceable></literal> flag is optional.
If omitted, qemu-img will try to infer the image format.</para>
</note>
</para>
</simplesect>
<simplesect>
<title>VBoxManage: VDI (VirtualBox) to raw</title>
<para>If you've created a VDI image using VirtualBox, you can convert it to raw format using
the <command>VBoxManage</command> command-line tool that ships with VirtualBox. On Mac
OS X, VirtualBox stores images by default in the <filename>~/VirtualBox VMs/</filename>
directory. The following example creates a raw image in the current directory from a
VirtualBox VDI
image.<screen><prompt>$</prompt> <userinput>VBoxManage clonehd ~/VirtualBox\ VMs/fedora18.vdi fedora18.img --format raw</userinput></screen></para>
</simplesect>
</chapter>