From the course: Ubuntu Linux: Essential Commands and System Administration

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Extend a volume group and logical volume

Extend a volume group and logical volume

Now let's take a look at extending a logical volume and its filesystem. We'll add a new disk and create a new physical volume. Then we'll extend the volume group to include the new physical volume, and we'll extend the logical volume to take up the space that's available. Then we'll extend the filesystem to be able to take advantage of the space. We have a filesystem right now of about 10 gigabytes, and we're going to effectively double that space. If I take a look at my volume groups with vgdisplay, here for my group, I see that I currently have one physical volume and one is active. And the volume group size is about 10 gigabytes. Let's add another disk. To do that, I need a physical volume, so I'll create a physical volume on one of my other disks. I'll write pvcreate /dev/sdd. Then I'll add this to my volume group by extending the volume group to include this physical volume. To do that, I'll write vgextend and the name of my group, which is mygroup, and the new PV, /dev/sdd. If I…

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