On Tue, Apr 23, 2019 at 11:54:11AM +0200, Volker Lieder wrote: > With mdadm i could get and preserve information about the drives and super block information: > > mdadm --examine /dev/sda /dev/sd[d-z] >> raid.status If you want any help you'd have to share this output... ( mdadm --examine /dev/sd* , also check smartctl -a and dmesg ) > I have read some sites like this: https://unix.stackexchange.com/a/131927/30851 Regards Andreas Klauer