Re: Error running Fio SSD example

[Jens Axboe <jaxboe@fusionio.com>]

On 2012-06-08 19:20, Georg Schï¿œnberger wrote:
> Am 2012-06-08 14:47, schrieb Jens Axboe:
>> On 06/01/2012 12:06 PM, Georg Schï¿œnberger wrote:
>>> Hello again,
>>>
>>> I am having some troubles with running the fio example "ssd-test". I
>>> changed the global section to decrease the size:
>>> [global]
>>> bs=4k
>>> ioengine=libaio
>>> iodepth=4
>>> size=100M
>>> direct=1
>>> runtime=60
>>> filename=ssd.test.file
>>>
>>> If I am running Fio I get the following error:
>>> ----------------------------------------
>>> fio.git/examples$ fio ssd-test
>>> seq-read: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=4
>>> rand-read: (g=1): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=4
>>> seq-write: (g=2): rw=write, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=4
>>> rand-write: (g=3): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=4
>>> fio-2.0.8
>>> Starting 4 processes
>>> fio: pid=17997, err=22/file:filesetup.c:529, func=open(ssd.test.file),
>>> error=Invalid argument
>>> fio: pid=17998, err=22/file:filesetup.c:529, func=open(ssd.test.file),
>>> error=Invalid argument
>>> fio: pid=17999, err=22/file:filesetup.c:529, func=open(ssd.test.file),
>>> error=Invalid argument
>>> fio: pid=18000, err=22/file:filesetup.c:529, func=open(ssd.test.file),
>>> error=Invalid argument
>> Looks like the file system hosting the test file does not support
>> O_DIRECT.
>>
> The file system is ext4.
> Kernel Version 3.2.0-24-generic

And you aren't running the job file in some other location? ext4 would
definitely work. Please do:

# strace -o strace.out -f fio ssd-test

and send me strace.out (gzip'ed). Also include a pwd from where you are
running it, and output of the 'mount' command.

-- 
Jens Axboe