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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

Clock icon Intermediate
Clock icon 1h 0m
Clock icon Nov 12, 2018

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Table of Contents

  1. Challenge

    Install the libvirt package.

    Install libvirt with yum install libvirt.

  2. 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.

  3. 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

  4. 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

  5. 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

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