As per the subject, reading the How To seems to imply that on Linux only the libaio engine supports the use of queue depth (iodepth), but I thought SCSI Generic supports queue depths as well? Thanks, Gavin -- ------------------------------ For additional information including the registered office and the treatment of Xyratex confidential information please visit www.xyratex.com ------------------------------ -- 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