On 2012-06-08 19:20, Georg Schönberger wrote: > Am 2012-06-08 14:47, schrieb Jens Axboe: >> On 06/01/2012 12:06 PM, Georg Schönberger 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 -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
