https://myblog.050626.xyz/tags/smart/Recent content in SMART on ICE345のBLOGHugo -- gohugo.iozh-cn© 2026 ICE345Thu, 30 Jul 2026 00:00:00 +0000https://myblog.050626.xyz/notes/system/linux-storage-stack-and-boot/Thu, 30 Jul 2026 00:00:00 +0000https://myblog.050626.xyz/notes/system/linux-storage-stack-and-boot/<div class="theme-alert flex px-4 py-3 rounded-md shadow bg-primary-100 dark:bg-primary-900" > <span class="text-primary-400 pe-3 flex items-center" > <span class="relative block icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 0C114.6 0 0 114.6 0 256s114.6 256 256 256s256-114.6 256-256S397.4 0 256 0zM256 128c17.67 0 32 14.33 32 32c0 17.67-14.33 32-32 32S224 177.7 224 160C224 142.3 238.3 128 256 128zM296 384h-80C202.8 384 192 373.3 192 360s10.75-24 24-24h16v-64H224c-13.25 0-24-10.75-24-24S210.8 224 224 224h32c13.25 0 24 10.75 24 24v88h16c13.25 0 24 10.75 24 24S309.3 384 296 384z"/></svg> </span> </span> <span class="dark:text-neutral-300" >这篇文章是一张 Linux 存储地图。它不替代具体的分区、LVM、GRUB 或性能测试手册，而是把这些概念放回同一条链路中：<strong>设备如何被识别、空间如何被组织、文件系统如何被挂载，以及系统如何从磁盘启动</strong>。</span> </div> <h2 class="relative group">1. 先看完整的存储链 <div id="1-先看完整的存储链" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-%e5%85%88%e7%9c%8b%e5%ae%8c%e6%95%b4%e7%9a%84%e5%ad%98%e5%82%a8%e9%93%be" aria-label="锚点">#</a> </span> </h2> <p>Linux 里一个“文件”从磁盘到用户空间，通常要经过下面这些层：</p>