On Sat, Oct 10, 2020 at 05:52:32PM +0100, lejeczek wrote: > I have a simple raid0 lvm comprising of two NVME devices. > I'd expect performance of such a volume to be higher than a > "regular" volume ran of a single NVME, but simple dbench > shows such raid0 volume to the same "slow" as a single NVME > volume. Why do you think? What is dbench anyway? Linear access is not going to be faster, as it is dominated by latency. Please use fio with _random_ reads or writes and a useful queue depth. Also, what do you mean with slow? 500k IOPS? Bastian -- War is never imperative. -- McCoy, "Balance of Terror", stardate 1709.2 _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
