Nat Makarevitch <nat <at> makarevitch.org> writes: > 'md' performs wonderfully > random access performance remains stable and high (450 > IOPS with 48 threads, 20% writes - 10% fsync'ed), even with a fairly high > read-ahead (16k). Mystery solved, sorry for the noise Explanation: I use the 'randomio' tool and searched in its sourcecode for the various 'advise' calls (posix_fadvise(2), madvise(2)...) and forgot to check the open call (it uses O_DIRECT!) - 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
