Re: linux-aio usable?

Avi Kivity
2010-03-08T14:26:55Z

On 03/08/2010 04:25 PM, Dustin Kirkland wrote:
> On Mon, Mar 8, 2010 at 3:48 AM, Avi Kivity<avi@redhat.com> wrote:
>
>> On 03/08/2010 11:48 AM, Bernhard Schmidt wrote:
>>
>>> On Mon, Mar 08, 2010 at 11:10:29AM +0200, Avi Kivity wrote:
>>>
>>>>> Are there any potential pitfalls?
>>>>>
>>>> It won't work well unless running on a block device (partition or LVM).
>>>>
>>> What does "work well" mean in this context? Potential dataloss?
>>>
>> No, it becomes synchronous (=extra slow).
>>
> But for this to happen, the user would have had to consciously enter
> into the situation by creating/using a non block device,
> non-pre-allocated backing disk AND specify the aio=native option,
> correct?
>
>

I thought there was some autodetection involved, but perhaps I just
imagined it.

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