Raid 1+0 操作步骤记录

[root@HOST work]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2             8.2G  3.8G  4.4G  47% /
/dev/sda3             1.8T  1.7G  1.8T   1% /home
/dev/md10             8.9T  168M  8.4T   1% /home/data1

for x in `seq 1 9`;do umount /disk$x;done
for x in `seq 10 11`;do umount /home/disk$x;done

i=0
for  x in bc de fg hi jk ;do
eval mdadm -Cv /dev/md$i -l 1 -n2 /dev/sd[${x}]1 <<EOF
    y
EOF
((i++))
sleep 3
done

mdadm -Cv /dev/md10 -l 0 -n5 /dev/md[0-4] <<EOF
    y
EOF

mkfs -t ext4 /dev/md10

mkdir /home/data1 && mount -t ext4 /dev/md10 /home/data1/