The following notes show the precautions to be observed for adding a virtual disk.
Specify "virtio" as the bus type and create a virtual disk as a VirtIO device.
If you use Virtual Machine Manager to create the virtual disk, select "Virtio Disk" as the device type.
Virtual IDE disks (bus type "IDE") are not supported.
Furthermore, for using the VirtIO device, it is necessary to install the KVM Windows para-virtualized driver (virtio-win) on the guest.
For details on the KVM Windows para-virtualized driver, refer to the relevant Linux manual.
If the KVM guest OS is Windows, a configuration using a PCI bridge is not supported for the guest. Note that a PCI bridge may be used automatically if 32 or more virtual disks are installed. For details about PCI bridges in a KVM, refer to the relevant Linux manual.
As the disk area on the host side, you can specify the device names below:
Device names generated by the Linux udev facility (udev device names)
Example: /dev/disk/by-id/xxxxxxxx (for a disk)
Example: /dev/disk/by-id/xxxxxxxx-part1 (for a partition)
Allocate a disk or partition of the host to the guest.
Figure F.3 Allocating Disk of Host to Guest
Figure F.4 Allocating Partition of Host to Guest
If you allocate partitions of the host to the guest, do not connect multiple partitions on the same disk to the same guest.
Figure F.5 Connecting Multiple Partitions on Same Disk to Different Guests (OK)
Figure F.6 Connecting Multiple Partitions on Same Disk to Same Guest (Bad)
