[libvirt-users] io mode=native precisions

[Raphael Bauduin]

On Mon, Mar 24, 2014 at 12:35 PM, Cole Robinson <crobinso at redhat.com> wrote:

> On 03/24/2014 03:57 AM, Raphael Bauduin wrote:
> >
> >
> >
> > On Thu, Mar 20, 2014 at 9:13 AM, Raphael Bauduin <rblists at gmail.com
> > <mailto:rblists at gmail.com>> wrote:
> >
> >     Hi,
> >
> >     Before switching to io mode=native, I wanted to check if there are
> any
> >     disadvantages or potential problem with this setting.
> >     I virtio-blk data plane required to use this setting effectively? (as
> >     illustrated
> >     here:
> http://blog.vmsplice.net/2013/03/new-in-qemu-14-high-performance-virtio.html
> )
> >     Is there a requirement on the host kernel (eg minimum version)?
> >
> >
> > Is this a stupid question or does no one use native io mode? Please let
> me know
> >
>
> dataplane is not required for io=native. io=native is used quite often in
> practice, just when the VM is using a host block device as storage. That's
> when virt-manager sets io=native at least, as recommended to use by the
> qemu devs.
>
>
ok, thanks for your feedback!

Raph


> - Cole
>
>
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