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Create an LVM Storage Pool with Libvirt

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.

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Path Info

Level

Intermediate

Duration

1h 0m

Published

Nov 12, 2018

Challenge

Install the libvirt package.

Install libvirt with yum install libvirt.
Challenge

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.
Challenge

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
Challenge

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
Challenge

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

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

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.