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 -Georg -- 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