Disk data format (DDF) based MD VD devices are not listed in the /proc/mdstat file, if there are more than one MD VD devices.
Issue
-Disk data format (DDF) based MD VD devices are not listed in the /proc/mdstat file, if there are more than one MD VD devices, after rebooting the system.
Environment
-Red Hat Enterprise Linux 7.9, 8.0 & 8.1
-Disk Data Format (DDF) mdraid virtual disks
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