Re: Error running Fio SSD example

[Jens Axboe <jaxboe@fusionio.com>]

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.

-- 
Jens Axboe