On Mon, Jan 27, 2014 at 3:03 PM, Jens Axboe <axboe@xxxxxxxxx> wrote: > On Mon, Jan 27 2014, Jens Axboe wrote: >> On Mon, Jan 27 2014, Wallence Lu wrote: >> > Recreated with fio 2.0.11-35-g8428, the version was checked out from >> > https://github.com/axboe/fio. >> >> 2.1.4 is the latest, but I don't think that would change anything for >> you. >> >> > I read a little bit of the source code, it seems to me the randwrite >> > option gets the LBA without specifying the IO size. With that said, >> > for a bsrange option, it is likely one random IO can step onto another >> > IO if they happen to be adjacent. For example, request A has LBA >> > of 1024 and size 8K, request B has LBA 1016 and size 16K. Without >> > checking the request size, request B can overwrite content of request >> > A. >> > >> > Is that the right interpretation? Do I miss something? Thanks. >> >> Fio is supposed to handle that, the job file should work. I'll take a >> look at it. > > Works for me with the 2.1.4 release. It's actually broken in current > -git, due to the numberio patches.. You mean all of the "verify_only" support patches or specifically this patch: commit da0a7bd224bb9331f27bb4b20394dd5c8fa3acb0 Author: Juan Casse <jcasse@xxxxxxxxxxxx> Date: Tue Sep 17 14:06:12 2013 -0700 Adds check for numberio during verify phase. I can take a look at this tomorrow... let me see if I have the job file in another email. thanks, grant -- 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
