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@@ -313,6 +313,43 @@
</span><span style="color:#888888;"># raw → vhdx
</span><span style="color:#ffb964;">qemu-img</span><span> convert</span><span style="color:#ffb964;"> -f</span><span> raw</span><span style="color:#ffb964;"> -O</span><span> vhdx disk.img disk.vhdx
</span></code></pre>
<h2 id="kuo-zhan">扩展</h2>
<ol>
<li>扩展大小</li>
</ol>
<pre style="background-color:#151515;color:#e8e8d3;"><code><span>virsh domblklist &lt;虚拟机名字&gt;
</span><span>Target Source
</span><span>vda /var/lib/libvirt/images/ubuntu-24-04.qcow2
</span><span>
</span><span>qemu-img resize /var/lib/libvirt/images/ubuntu-24-04.qcow2 +20G
</span></code></pre>
<ol start="2">
<li>查看磁盘情况：</li>
</ol>
<pre data-lang="bash" style="background-color:#151515;color:#e8e8d3;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#ffb964;">lsblk
</span></code></pre>
<ol start="3">
<li>如果是单分区系统（ext4）：</li>
</ol>
<ul>
<li>安装工具：</li>
</ul>
<pre data-lang="bash" style="background-color:#151515;color:#e8e8d3;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#ffb964;">sudo</span><span> nix-env</span><span style="color:#ffb964;"> -iA</span><span> nixos.cloud-utils </span><span style="color:#888888;"># 提供 growpart
</span></code></pre>
<ul>
<li>扩展分区：</li>
</ul>
<pre data-lang="bash" style="background-color:#151515;color:#e8e8d3;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#ffb964;">sudo</span><span> growpart /dev/vda 1
</span></code></pre>
<ul>
<li>扩展文件系统：</li>
</ul>
<p>ext4：</p>
<pre data-lang="bash" style="background-color:#151515;color:#e8e8d3;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#ffb964;">sudo</span><span> resize2fs /dev/vda1
</span></code></pre>
<p>xfs：</p>
<pre data-lang="bash" style="background-color:#151515;color:#e8e8d3;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#ffb964;">sudo</span><span> xfs_growfs /
</span></code></pre>
<h2 id="ya-suo">压缩</h2>
<p>有时候我们需要备份QEMU的镜像，但是镜像大小非常庞大，可以对其进行压缩。</p>
<p>首先在虚拟机里（以Ubuntu为例）执行：</p>