In that case, this may be helpful:
# mdadm --detail --scan ARRAY /dev/md0 metadata=0.90 UUID=8738f3e7:91896e1d:e368bf24:bd0fce41 ARRAY /dev/md1 metadata=1.2 name=ubuntu:1 UUID=d36f3bf5:f320055f:317d3880:08f835aa ARRAY /dev/md2 metadata=0.90 UUID=5aef7b1d:9c6dc2a4:35da8c23:a0a15a85
In that case, this may be helpful:
# mdadm --detail --scan 91896e1d: e368bf24: bd0fce41 f320055f: 317d3880: 08f835aa 9c6dc2a4: 35da8c23: a0a15a85
ARRAY /dev/md0 metadata=0.90 UUID=8738f3e7:
ARRAY /dev/md1 metadata=1.2 name=ubuntu:1 UUID=d36f3bf5:
ARRAY /dev/md2 metadata=0.90 UUID=5aef7b1d: