sudo -i

# Disk /dev/xvdb doesn't contain a valid partition table
fdisk -l

# 创建分区后可以通过fdisk -l查看信息
fdisk /dev/xvdb

mkfs.ext3 /dev/xvdb1

mkdir /mountdata/
mount /dev/xvdb1 /mountdata/
# 开机自动挂在
echo "/dev/xvdb1	/mountdata	ext3	defaults	0	0">>/etc/fstab