On 04/10/2012 11:04 AM, Neependra Khare wrote:
> Hi,
>
> I want to run FIO on a given partition on Windows. To do this I use
> the "mountvol" command and get the volume names and
> their mount points and then use them for "filename" option with FIO
>
> For example for "E:\" get following from "mountvol" command.
>
> \\?\Volume{1277e70d-79a7-11e1-9fed-f04da2ef6fc9}\
> E:\
>
> Then I run following commands:-
>
> $ fio.exe --name=baseline --rw=randwrite --direct=1 --size=1g
> --iodepth=32 --blocksize=4096 --ioengine=windowsaio
> --filename=\\.\Volume{1277e70d-79a7-11e1-9fed-f04da2ef6fc9}
> --name=hddBaseline --stonewall
>
> $ fio.exe --name=baseline --rw=randwrite --direct=1 --size=1g
> --iodepth=32 --blocksize=4096 --ioengine=windowsaio --filename=E:\
> --name=hddBaseline --stonewall
>
> $ fio.exe --name=baseline --rw=randwrite --direct=1 --size=1g
> --iodepth=32 --blocksize=4096 --ioengine=windowsaio
> --filename=E:\filename --name=hddBaseline --stonewall
>
> In all these cases I do not see any IO happening on "E" drive using
> "perfmon". All the IO happens on the root drive("C").
>
> On Linux I can use "/dev/sda" , "/dev/sda1" etc.
>
> I was expecting same on Windows.
> Any help or pointers would be great.
CC'ing in Bruce, he's the Windows guru...
--
Jens Axboe
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