> the whole discussion is nonsense > > you won't find any difference between a !! NVME RAID !! with TWO disks > which is worth even to open a discussion > Previous response got blocked, maybe because it was just a link. Let's see if this works. Summary: | fio iodepth=256, numjobs=4 | IOPS | BW | lat (usec) avg | |--------------------------------------------------|:-----:|:---------:|:--------------:| | Sequential 4k read, single disk | 828k | 3233MiB/s | 1236 | | Sequential 4k read, 4 disk RAID0, 64k chunk | 666k | 2602MiB/s | 1536 | | Sequential 512k read, single disk | 13.6k | 6798MiB/s | 75300 | | Sequential 512k read, 4 disk RAID0, 64k chunk | 47.1k | 23GiB/s | 21745 | | Sequential 4k read, 2 disk RAID10F2, 64k chunk | 523k | 2044MiB/s | 1956 | | Sequential 512k read, 2 disk RAID10F2, 64k chunk | 27.2k | 13.3GiB/s | 37675 | full test log: https://pastebin.com/raw/eq2CbjY7