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How to set up a disk using the VirtIO controller in Virtualization Station?

What is Virtio?
Under Kernel-based Virtual Machine (KVM) infrastructure, “Virtio” was selected to be the primary platform for I/O virtualization. “Virtio” can be seen as an abstraction driver and provides a common API. Through this API, Network, Block and Balloon devices can be supported for KVM.

Virtualization Station is based on a Kernel-based Virtual Machine (KVM) to run virtual machines (VM). Therefore, you can set up a Virtio controller for the hard-disk to obtain a higher disk I/O performance instead of using the IDE or SATA controller.

Steps for adding a virtual hard disk in Virtualization Station

Click “Create VM”, and you can choose to create a template or click “Create Custom VM” to create a VM.

Click “Create” to a medium VM.

Next, you can configure settings including the type & version of the operating system, the location of the CD image, the folder the VM will be located and the network interface. (Note: select Windows 7 as an example.)

Click “Create”.

Click “Advanced” and then click “Hard Disk”.

Click on the “Controller” drop-down-list and then select “Virtual Disk Controller (VM Driver Requirement)”

Click “Apply”.

Click “Advanced” again and then click “Add Device”. (Note: due to VM driver requirement, it is necessary to add a new CD-ROM to mount a VM driver for creating VM.)

Select “CD /DVD ROM” from the Device Type drop-down-list and choose the Controller: “IDE” and “SCSI”. Click “Add”.

Click “Install VM Driver”

The VM Driver will be inserted into the added virtual CD/DVD ROM automatically.

Click “Start”.

Click “Console”.

Configurations in VM

Click “Next”.

Click “Install now”.

Check “I accept the license terms” and then click “Next”.

Choose “Custom (advanced)”.

Click “Load Driver”.

Click “Browse”.

Click “CD Driver (D:) CDROM”, click “+” to expand WIN7 and select “X86” folder. Click “OK”.

Select “Red Hat VirtIO SCSI controller (D:\WIN7\X86\VIOSTOR.INF)” and then click “Next”.

You will see a new virtual hard-disk on the list and click “Next”. A VirtIO disk will be used in this VM.

Release date: 2014-08-21
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