Defragment XFS File-system

I have been using XFS file-system for all my Linux box for quite some time now. XFS have some fancy features such as live file-system defragmenting. Let's cover how to do that.

First, make sure you have the xfsdump utilities install. For Ubuntu or its derivatives distribution, simply issue this command:

sudo apt-get install xfsdump

Then, optionally you can check how fragmented your file-system is by this command: