On Tue, 13 Sep 2022 22:56:00 +0200 Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > [root@srv-rhsoft:/var/lib/mpd/playlists]$ mdadm --detail /dev/md1 | grep > Name > Name : localhost.localdomain:1 (local to host > localhost.localdomain) I have serverhostname.mydomain.net:1 there, perhaps due to creating arrays not on install time, but long after the OS has been already installed and set up properly with all the networking, domains and hostnames. In any case, you can change that name to your liking, and then replace "UUID=..." with "name=..." in mdadm.conf, if that helps anything with your intended configuration. -- With respect, Roman