Re: [Xen-users] Buffered IO?

["Fajar A. Nugraha" <list@xxxxxxxxx>]

On Sun, Mar 18, 2012 at 10:49 PM, <inge85@xxxxxx> wrote:
>
>
> Hello,
>
> i read something about buffered IO in some hypervisors. So most
> hypervisors bufferes all disk operations and after a while take the cpu to
> execute all operations as one block. Is this the standard behavior of xen
> hypervisor?

No

>I didn't found any information about that. Is there any
> possiblity to de-/activate it?

I don't think so.

If you use file:/ (which is not recommended), then you'd get buffered
I/O. For everything else (including phy:/ and tap:/), you should get
unbuffered I/O.

-- 
Fajar

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