* Re: FIO with direct, non-buffered IO on Mac OS X
[not found] <655B558C-ADC2-4D96-A31F-5F847B047AEC@schihei.de>
@ 2011-09-16 7:05 ` Jens Axboe
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From: Jens Axboe @ 2011-09-16 7:05 UTC (permalink / raw)
To: Heiko Joerg Schick, fio@vger.kernel.org
On 2011-09-16 08:55, Heiko Joerg Schick wrote:
> Hello Jens,
>
> is there a way to execute FIO with direct, non-buffered IO on Mac OS
> X. It seems that the --direct and/or --buffered parameter only works
> in combination with the -ioengine=libaio parameter?
(CC'ing in the fio list)
direct=1 isn't tied to libaio in any way, and OSX should support it. Not
quite sure how unbuffered IO is done on OSX, perhaps others can chime in
here. On some operating systems, it's only supported on specific device
types or certain file systems.
--
Jens Axboe
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[not found] <655B558C-ADC2-4D96-A31F-5F847B047AEC@schihei.de>
2011-09-16 7:05 ` FIO with direct, non-buffered IO on Mac OS X Jens Axboe
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