Hello guys. first, since there is no mailing lists for the linux elevators i posting this mailing lists. I am testing the deadline elevator ( 2.6.15 ). i am sending buffer sizes of 1M to the target but it seems that buffer no bigger than 1/2 MB are reaching the elevator and sometimes page sized buffers. Why is that ? Does the bio vector size caueses it? thank you. -- Raz PS. I have written an asynchronous IO tester , if any of you wishes to get it just say . - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html