How to Manage KVM Storage Volumes and Pools for Virtual Machines – Part 3

In this part 3 of our tutorial, we are discussing how to create and manage KVM Storage volumes and Pools using virt-manager GUI tool.

In general, we use storage devices with different file systems everyday. We have also some storage technologies/techniques like ISCSI, SAN, NAS and so on.

There is no huge different in the basic concepts for our virtual environment, we just use the basic concept to deploy awesome and scale-able virtual storage platform.

With KVM environment , you can use block devices or files as local storage devices within guest operating systems.

We use the physical storage devices to create virtual machine’s volumes. We could describe volumes as a virtual machine’s virtual disk. Volumes cloud be block devices or files as we have mentioned previously.

Create KVM Storage Volumes and Pools

As a performance consideration, the block devices have the higher hand. Also block files still have the higher hand in the areas of system management and storage capacity use. At any way for scenarios where disk performance from the guest operating system is not critical, its prefer to use disk image files.

Storage volumes also is a part of Storage Pool, actually you can’t create storage volumes before having at least one storage pool.

There is no new prerequisite, just the same one we have discussed in previous parts. If something new I will mention it. So, let’s dive on.

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