Oracle Linux: How to Resize an EXT3/EXT4 Filesystem
(Doc ID 445215.1)
Last updated on OCTOBER 09, 2024
Applies to:
Linux OS - Version Enterprise Linux 3.0 and laterOracle VM - Version 2.1 to 3.4.6 [Release OVM21 to OVM34]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86
Linux x86-64
Linux Kernel - Version: 2.4 to 3.8
Goal
The purpose of this article is to describe how to resize (extend and reduce) an EXT3/4 filesystem on Oracle Linux.
The procedures described were performed using EXT4 filesystems on Oracle Linux 7 but equally apply to EXT3/4 on earlier and later OL releases.
Solution
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In this Document
| Goal |
| Solution |
| 1. Feasibility of filesystem resize (extension) |
| 2. Backup all data on filesystem to be resized |
| 3. Partitioning Tools |
| 4. Resize (extension) of non-root filesystem on non-LVM device |
| 4.1 Unmount filesystem to be resized |
| 4.2 Perform filesystem check |
| 4.3 Resize (extend) the partition |
| 4.4 Verify partition resize (extension) |
| 4.5 Perform filesystem check |
| 4.6 Resize (extend) the filesystem |
| 4.7 Mount the resized filesystem |
| 4.8 Verify filesystem resize (extension) |
| 5. Resize (reduction) of non-root EXT3/4 filesystem on non-LVM device |
| 5.1 Unmount the filesystem to be resized |
| 5.2 Perform filesystem check |
| 5.3 Resize (reduce) the filesystem |
| 5.4 Perform filesystem check |
| 5.5 Resize (reduce) the partition |
| 5.6 Verify partition resize |
| 5.7 Perform filesystem check |
| 5.8 Mount the resized (reduced) filesystem |
| 5.9 Verify filesystem resize (reduction) |
| 6. Resize (extension) of non-root EXT3/4 filesystem on LVM device |
| 6.1 Unmount the filesystem |
| 6.2 Perform filesystem check |
| 6.3 Resize (extend) the Logical Volume |
| 6.4 Verify Logical Volume resize (extension) |
| 6.5 Perform filesystem check |
| 6.6 Resize (extend) the filesystem |
| 6.7 Mount the resized (extended) filesystem |
| 6.8 Verify filesystem resize (extension) |
| 7. Add a new Physical Volume to an existing Volume Group |
| 7.1 Create new Physical Volume |
| 7.2 Add the Physical Volume to the Volume Group |
| 7.3 Verify Volume Group resize |
| 8. Resize (extend) an existing Physical Volume |
| 8.1 Physical Volume Block Device resize (extension) |
| 8.2 Physical Volume Block Device partition resize (extension) |
| 8.3 Resize (extend) the Physical Volume |
| 8.4 Verify Physical Volume resize (extension) |
| 8.5 Verify Volume Group resize |
| References |