Not sure what does 512 means in your wait statements. I would also recommend to use blktrace+btrecord+btreplay to replay block I/O workloads on a single HDD. That is more accurate replay method and tested by the community. Good luck with your experiments. On Tue, Apr 7, 2015 at 11:46 AM, Mansour Shafaei Moghaddam <mansoor.shafaei@xxxxxxxxx> wrote: > Thanks for the response But I am pretty sure about the functionality > of wait command. The device is a conventional magnetic disk. > > On Tue, Apr 7, 2015 at 12:39 PM, Alireza Haghdoost <haghdoost@xxxxxxxxx> wrote: >> Sounds like your wait statements are not correct. Referring to HOWTO.txt : >> >> wait Wait for 'offset' microseconds. Everything below 100 is >> discarded. >> >> >> What kind of storage device do you have under /dev/sdb ? >> >> -- 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
