https://blog.margrop.net/tag/resize/ Recent content in Resize on 魔都水滴 Hugo -- gohugo.io zh-CN Sat, 25 Mar 2023 13:42:44 +0800 https://blog.margrop.net/post/ubuntu-lv-extend-and-resize-inode/ Sat, 25 Mar 2023 13:42:44 +0800 https://blog.margrop.net/post/ubuntu-lv-extend-and-resize-inode/ <p>Ubuntu 作为服务器系统使用的时候，系统盘的空间可能并不是很充裕，apt apt 着，根目录就满了。诚然，增加磁盘 / 分区并挂载是一个方案，但并不能解决所有问题（例如 apt）。同时，一些跑在云平台上的服务器并没有很好的离线操作磁盘的手段，这时候在线扩容就显得极为必要了。</p> <p><strong>数据无价！对磁盘进行任何操作前，请务必做好备份！</strong></p> <h1 id="0-简要操作步骤">0. 简要操作步骤</h1> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-shell" data-lang="shell"><span style="display:flex;"><span><span style="color:#75715e">#系统分区扩容</span> </span></span><span style="display:flex;"><span>parted -l </span></span><span style="display:flex;"><span>fdisk -l </span></span><span style="display:flex;"><span>cfdisk </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e">#扩容块（sda3）</span> </span></span><span style="display:flex;"><span>lsblk </span></span><span style="display:flex;"><span>pvresize /dev/sda3 </span></span><span style="display:flex;"><span>lsblk </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e">#扩容lv和vg（Ubuntu）</span> </span></span><span style="display:flex;"><span>lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv </span></span><span style="display:flex;"><span>resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv </span></span><span style="display:flex;"><span>df -h </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e">#扩容lv和vg（CentOS）</span> </span></span><span style="display:flex;"><span>lvextend -l +100%FREE /dev/mapper/centos-root </span></span><span style="display:flex;"><span>resize2fs /dev/mapper/centos-root </span></span><span style="display:flex;"><span>df -h </span></span></code></pre></div><h1 id="1-磁盘根目录在线扩容">1. 磁盘根目录在线扩容</h1> <p>操作环境：Proxmox VE 虚拟化 / Ubuntu 22.04.5 LTS / GPT 分区表 / ext4 分区</p>