Btrfs -

Troubleshooting Disk Usage Issues with Duplicate Files and Unnecessary Logs on Btrfs and Ext4 Filesystems

Posted on June 6, 2026 | 4 minutes | 678 words | Robert Nilsson

Introduction to Disk Usage Issues

I’ve seen disk usage issues plague even the most well-maintained Linux systems, often due to duplicate files and unnecessary logs. As of 2026, both Btrfs and Ext4 filesystems are widely used, each with their own set of tools and best practices for troubleshooting and resolving these issues. In this article, we’ll delve into practical steps for identifying and addressing duplicate files and unnecessary logs on both Btrfs and Ext4 filesystems, focusing on current tools and methodologies.

Reclaiming Disk Space from Unused Snapshot Copies on Btrfs Filesystems

Posted on May 26, 2026 | 3 minutes | 589 words | Robert Nilsson

Introduction to Btrfs Snapshots

I’ve worked with Btrfs for a while now, and one of its most useful features is snapshotting. This allows you to create a read-only copy of a subvolume at a given point in time, which is perfect for backups, testing, and rolling back changes. However, over time, these snapshot copies can accumulate and consume significant disk space. In practice, this can become a real issue if you’re not careful.