Paravirtualized block device: Difference between revisions

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== Host side ==
== Host side ==
run kvm with command-line: -drive file=<path_to_your_raw_qemu_img>,if=virtio
run kvm with command-line: <code>-drive file=<path_to_your_raw_qemu_img>,if=virtio</code>


you can also specify boot=on in the command-line: -drive file=<path_to_your_raw_qemu_img>,if=virtio,boot=on
you can also specify boot=on in the command-line: <code>-drive file=<path_to_your_raw_qemu_img>,if=virtio,boot=on</code>


== Guest side ==
== Guest side ==
sudo modprobe virtio_blk
sudo modprobe virtio_blk


to have virtio_blk driver, you need to upgrade the kernel to higher than 2.6.25.
to have <code>virtio_blk</code> driver, you need to upgrade the kernel to higher than 2.6.25.


refer to [[Virtio]]
refer to [[Virtio]]

Revision as of 10:23, 11 March 2009

Paravirtualized Block Device

Host side

run kvm with command-line: -drive file=<path_to_your_raw_qemu_img>,if=virtio

you can also specify boot=on in the command-line: -drive file=<path_to_your_raw_qemu_img>,if=virtio,boot=on

Guest side

sudo modprobe virtio_blk

to have virtio_blk driver, you need to upgrade the kernel to higher than 2.6.25.

refer to Virtio