Thank you, Jens for the help. I already found data corruption errors (CRC and magic headers) in fio output. Konstantin -----Original Message----- From: Jens Axboe [mailto:axboe@xxxxxxxxx] Sent: Thursday, June 20, 2013 10:33 AM To: Ruvinsky, Konstantin Cc: fio@xxxxxxxxxxxxxxx Subject: Re: meaning of err=84 On Fri, Jun 14 2013, Ruvinsky, Konstantin wrote: > Hi, > > Running the following fio command in Red Hat 6.1 > > fio --name=myjob --ioengine=libaio --rw=randrw --bs=8k --numjobs=64 > --thread --direct=1 --size=400m --directory=/mnt --rwmixread=50 > --rwmixwrite=50 --do_verify=1 --verify=md5 --verify_fatal=1 > > I got the error message: > > myjob: (groupid=0, jobs=1): err=84 (file:io_u.c:1477, func=io_u_queued_complete, error=Invalid or incomplete multibyte or wide character): pid=29170: Thu Jun 13 11:56:04 2013 > > fio returns 1280 (0x500) > > What is the meaning of this error message? It means you got a verification failure, comparing the data read back to the expected results. -- 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
