Get Started with the Btrfs File System

Links

🌙 Lab

🗒 Tutorial

Details

The Btrfs file system provides the capacity to handle pooling, snapshots, checksums, and multi-device spanning in existing Linux file systems. For an overview of the Btrfs file system and its features, see Oracle Linux: Managing Local File Systems.

This tutorial describes setting up a directory on external storage on your Oracle Linux system to use the Btrfs file system.

Objectives

In this tutorial, you will learn how to:

• Create a Btrfs file system
• Run basic Btrfs commands to perform tasks such as:
  • Checking file system usage
  • Extend the size of the file system
  • Recover a missing device
• Test and see how the file system works

Prerequisites

• Minimum of a single Oracle Linux system running the UEK kernel

• Each system should have Oracle Linux installed and configured with:

  • A non-root user account with sudo access
  • Access to the Internet