The sdX should change. If you have a mdadm.conf file with a uuid in it the md device definition it will always be the same. Something like this: MAILADDR root AUTO +imsm +1.x -all ARRAY /dev/md13 metadata=1.2 level=raid6 num-devices=7 name=localhost.localdomain:11 UUID=a54550f7:da200f3e:90606715:06691490 POLICY domain=all action=re-add _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx