Get Started with the Btrfs File System

Table of Contents

Links

🌙 Lab

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 8: Managing Local File Systems .

This tutorial describes how to set up your Oracle Linux system to use the Btrfs file system. This tutorial is targeted at users of Oracle Linux 8 or later.

Objectives

In this tutorial, you will learn how to:

Create a Btrfs file system on Oracle Linux 8
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

The tutorial uses the following system:

An Oracle Linux 8 system with the following configurations:
- has multiple storage devices installed
- runs the UEKR6 kernel