hi NeilBrown: > > Open the device with O_DIRECT and read a block every 4 minutes. > That should keep it awake. Could we do that within kernel module? appreciate your kind help, -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html