Create an LVM Storage Pool with Libvirt

1 hour
  • 5 Learning Objectives

About this Hands-on Lab

Libvirt is a collection of software that provides a unified method for managing virtual machines on different virtualization platforms. One of the management features is the ability to create storage pools that can be used when provisioning virtual machines. In this hands-on lab, you will be tasked with creating an LVM storage pool that you will use to create multiple storage volumes.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Install the libvirt package.

Install libvirt with yum install libvirt.

Start and enable the libvirt service.

Start up the libvirt service with systemctl start libvirtd.

Enable it to start at boot with systemctl enable libvirtd.

Create a volume group named `vg-libvirt` using the `/dev/nvme1n1` disk.
  • Create a phsyical volume using the /dev/nvme1n1 disk:

    pvcreate /dev/nvme1n1

  • Create the vg-libvirt volume group using the /dev/nvme1n1 physical volume:

    vgcreate vg-libvirt /dev/nvme1n1

Create a storage pool called `lvm_pool` using the `vg-libvirt` volume group.

Create a storage pool called lvm_pool using the vg-libvirt volume group, and ensure that it is initialized and that autostart has been enabled.

  1. Create the storage pool using the vg-libvirt logical volume:

    virsh pool-define-as lvm_pool logical --source-name vg-libvirt --target /dev/nvme1n1

  • Start the storage pool:

    virsh pool-start lvm_pool

  • Enable autostart for the storage pool:

    virsh pool-autostart lvm_pool

Create two storage volumes named `vol1` and `vol2` from the `lvm_pool` storage pool.

Create two storage volumes named vol1 and vol2 from the lvm_pool storage pool. Each volume should be 4 GB.

Create the vol1 and vol2 volumes:

  • virsh vol-create-as lvm_pool vol1 4G

  • virsh vol-create-as lvm_pool vol2 4G

Additional Resources

You work as a system engineer for a small tech company and are in charge of the virtualization infrastructure. One of the operation teams needs libvirt configured on a host that will be used to provision virtual machines for testing new production services. Once libvirt is installed and enabled, you will need to configure a storage pool called lvm_pool using the extra hard disk (nvme1n1) that the storage team provided. After you've created the pool, you will need to create two 4 GB storage volumes named vol1 and vol2.

Important note: An extra disk has been provided, nvme1n1, for use withlvm`.

What are Hands-on Labs

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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