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Oracle Linux: How to Resize/Expand a BTRFS Volume (Doc ID 2302774.1)

Last updated on APRIL 20, 2022

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86
Linux ARM 64-bit

Goal

The resizing of an Oracle Linux (OL) BTRFS volume is a necessary and frequently performed task.

This document outlines the two approaches available to expand a BTRFS volume housing a root filesystem, namely;
1. Resize current partition and BTRFS volume to use all available space on original disk
2. Add a new disk to the BTRFS volume for the volume to expand into

Solution

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In this Document
Goal
Solution
 1. Resize current partition and BTRFS volume to use all available space on original disk
 2. Add a new disk to the BTRFS volume for the volume to expand into
References

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