On 2012-04-10 15:33, shu@xxxxxxxxxxx wrote:
>> 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...
>
> please try the "\\.\PhysicalDrive1" notation. I use the "full
> physical drive" for stress testing RAID-Arrays under Windows and it
> works great.
Taking the liberty of CC'ing the original asker and the list back. Hope
this works for you, too.
--
Jens Axboe
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