On 07/25/2013 01:07 PM, Neto, Antonio Jose Rodrigues wrote: > > On 7/25/13 3:03 PM, "Jens Axboe" <axboe@xxxxxxxxx> wrote: > >> On 07/25/2013 01:02 PM, Neto, Antonio Jose Rodrigues wrote: >>> Just to confirm.. >>> >>> bs_is_seq_rand=1 >>> >>> bs=64k,4k >>> >>> It's 64K for sequential and 4K for random >>> >>> Right? >> >> Correct. If bs_is_seq_rand is set, any READ block size setting is >> applied to sequential IO, and any WRITE block size setting is applied to >> random IO. >> >> -- >> Jens Axboe >> > > Let me see if I understood: > > But Jens, if I want sequential read AND write 64KB and random read AND > write 4KB? Then you'd do: bs=64k,4k bs_is_seq_rand=1 any ANY sequential IO will be 64kb, and ANY random IO will be 4kb. -- 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