https://blog.xijiang.org/tags/os-management/ Recent content in OS Management on Breeding and genetics Hugo en-us Fri, 13 Feb 2026 14:52:00 +0100 https://blog.xijiang.org/posts/resize-root-partition-on-an-almalinux-os/ Fri, 13 Feb 2026 14:52:00 +0100 https://blog.xijiang.org/posts/resize-root-partition-on-an-almalinux-os/ <h1 id="resizing-root-partition-on-almalinux-10-lvm--xfs">Resizing Root Partition on AlmaLinux 10 (LVM + XFS)</h1> <p>Since XFS filesystems cannot be shrunk, increasing the root partition requires backing up the <code>/home</code> partition, deleting it, expanding <code>/root</code>, and then recreating <code>/home</code>.</p> <h2 id="prerequisites">Prerequisites</h2> <ul> <li>A backup location with enough space (e.g., <code>/mnt/w</code>).</li> <li>Root or sudo access.</li> </ul> <hr> <h2 id="step-1-backup-home-data">Step 1: Backup Home Data</h2> <p>Backup all data from <code>/home</code> to a temporary location.</p> <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-bash" data-lang="bash"><span style="display:flex;"><span>sudo mkdir -p /mnt/w/home_backup </span></span><span style="display:flex;"><span>sudo rsync -aHAX --progress /home/ /mnt/w/home_backup/ </span></span></code></pre></div><h2 id="step-2-unmount-and-remove-the-home-volume">Step 2: Unmount and Remove the Home Volume</h2> <p>Ensure no processes are using <code>/home</code>, then unmount it and remove the Logical Volume (LV).</p>