After an email exchange with Neil Brown, identified that using mdadm -IRs instead of mdadm -Ars will fix this issue. So made the necessary change in the initramfs/init-premount/mdadm script - as a fix.
After an email exchange with Neil Brown, identified that using mdadm -IRs instead of mdadm -Ars will fix this issue. So made the necessary change in the initramfs/ init-premount/ mdadm script - as a fix.