Il giorno sab 11 gen 2020 alle ore 22:25 Wols Lists <antlists@xxxxxxxxxxxxxxx> ha scritto: > Multiple 3-way mirrors (1+0) requires disks in multiples of 3. Raid10 > simply requires "4 or more" disks. If you expect/want to expand your > storage in small increments, then 10 is clearly better. BUT. I'll start with 8TB usable (more than enough for me atm) and would be ok for at least 1 year, thus saving space is not a problem. Next year, if needed, i'll add 3 disks more (or i'll grow the existing ones) > Depending on your filesystem - for example XFS - changing the disk > layout underneath it can severely impact performance - when the > filesystem is created it queries the layout and optimises for it. When I > discussed it with one of the XFS guys he said "use 1+0 and add a fresh > *set* of disks (or completely recreate the filesystem), because XFS > optimises layout based on what disks it thinks its got." No XFS, i'll use ext4. I had *TONS* of issues with XFS
