raid1 demo作成

parted --script /dev/sdb "mklabel gpt" 
parted --script /dev/sdc "mklabel gpt" 
parted --script /dev/sdb "mkpart primary 0% 100%" 
parted --script /dev/sdc "mkpart primary 0% 100%" 
parted --script /dev/sdb "set 1 raid on" 

parted --script /dev/sdc "set 1 raid on"

yum install -y mdadm
mdadm --create /dev/md0 --level=raid1 --raid-devices=2 /dev/sdb1 /dev/sdc1