mdadm —create —verbose /dev/md0 —level=5 —raid-devices=7 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1
mdadm -As /dev/md0
mdadm —create —verbose /dev/md0 —level=5 —raid-devices=7 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1
mdadm -As /dev/md0