Error "Process '/sbin/mdadm -I /dev/dm-[x]' failed with exit code 1." on multipath devices when auto assemble disabled

Solution In Progress - Updated -

Issue

  • Below errors seen in logs when assembling RAID:

    Nov 14 12:39:13 localhost.localdomain systemd-udevd[878]: Process '/sbin/mdadm -I /dev/dm-2' failed with exit code 1.
Nov 14 12:39:13 localhost.localdomain systemd-udevd[880]: Process '/sbin/mdadm -I /dev/dm-3' failed with exit code 1.

  • UDEV is trying to incrementally assemble MD devices even though this is disallowed in the /etc/mdadm.conf configuration file

Environment

  • Red Hat Enterprise Linux 8

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