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... -- 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
