On Wed, 12 Jun 2024 01:04:18 +0200 Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > > > Am 11.06.24 um 20:31 schrieb Piergiorgio Sartor: > > I'm setting up a system with 2 SSD M.2 (NVME). > > > > I was wondering if would it be better, performace > > wise, to have a RAID-10 near layout or a RAID-1. > > > > Looking around I found only one benchmark: > > > > https://strugglers.net/~andy/blog/2019/06/02/exploring-different-linux-raid-10-layouts-with-unbalanced-devices/ > > > > Which uses mixed SSD, NVME and SATA. > > > > Does anybody have any suggestions, links, or > > ideas on the topic? > > > > BTW, practically speaking, what's the difference, > > between the two RAIDs? > > i wouldn't even consider a RAID10 with two disks, especially with SSD > and practically you end with a unsupported RAID1 because there are no > stripes with 2 disks > > I don't disagree but I would recommend you try each variation and measure the performance for yourself. It's a great learning experience if you haven't done it before and there's nothing like trusting your own data over on your own system/config something that someone else has done when there are so many factors that can affect performance. -Paul
