fdisk -l
fdisk /dev/vdb
m
n
p
w
ll /dev/
partprobe /dev/vdb
mkfs -t ext4 /dev/vdb1
mkdir /data1
mount /dev/vdb1 /data1
mount -a
mount

2.掛載啟動

vim  /etc/fstab
------------------
#
# /etc/fstab
# Created by anaconda on Fri Aug 18 03:51:14 2017
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=59d9ca7b-4f39-4c0c-9334-c56c182076b5 /                       ext4    defaults        1 1
/dev/vdb1                                 /data1                  ext4    defaults        0 0

df -h

【centos7】格式化磁盤