"Majed B." <majedb@xxxxxxxxx> writes: > I tested with both dd and hdparm, and in both cases, md0 proved to be > much faster than the LV itself. This is quite odd because usually an LVM2 logical volume is just a simple linear device-mapper target onto the backing device. I could imagine a small performance change but a large one really surprises me. Could there be something going on here wrt sync vs non-sync IO? Best wishes, Chris. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
