Why you do not use btreply ? it has a mapping device option. Would you please let me know how you reply a trace using fio ? Alireza Haghdoost Graduate Student Department of Computer Engineering Sharif University of Technology http://ce.sharif.edu/~haghdoost Phone: (98) (21) 6616 6689 On Fri, Feb 11, 2011 at 02:57, Hsiao Su <Hsiao.Su@xxxxxxxxxxxxx> wrote: > > Does anyone know if this is possible? I'd like to record io workload using blktrace for one device, and then use fio to replay it on a different device that's on a different machine. > > My brief experiment seems to say no. If I record it using /dev/sda, then when replaying it, /dev/sda must be there. > > Basically, I'm trying to see how two different io subsystems measure up, using a real application's workload. > > --- > Hsiao "Shao" Su > 650 287 2545 (W) > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrace" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at Âhttp://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html