mdadm.conf

# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#

# by default (built-in), scan all partitions (/proc/partitions) and all
# containers for MD superblocks. alternatively, specify devices to scan, using
# wildcards if desired.
#DEVICE /dev/sd*

# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes

# automatically tag new arrays as belonging to the local system
HOMEHOST <system>

# instruct the monitoring daemon where to send mail alerts
MAILADDR root

ARRAY metadata=imsm UUID=944d8c96:29722406:b4eec00d:8f94461e
ARRAY /dev/md/raid5 container=944d8c96:29722406:b4eec00d:8f94461e member=0 UUID=aebb69c9:f34adb77:e1d3ec32:9ba7856a