From: Jens Axboe <axboe@kernel.dk>
To: Heiko Joerg Schick <info@schihei.de>,
"fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: FIO with direct, non-buffered IO on Mac OS X
Date: Fri, 16 Sep 2011 09:05:26 +0200 [thread overview]
Message-ID: <4E72F536.1010005@kernel.dk> (raw)
In-Reply-To: <655B558C-ADC2-4D96-A31F-5F847B047AEC@schihei.de>
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
parent reply other threads:[~2011-09-16 7:05 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <655B558C-ADC2-4D96-A31F-5F847B047AEC@schihei.de>]
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