报错信息如下：

[root@localhost ~]# mount /dev/sdb /image
mount: /dev/sdb is write-protected, mounting read-only
mount: unknown filesystem type '(null)'

解决方案：

查看磁盘：

[root@localhost ~]# fdisk -l

格式化磁盘

[root@localhost ~]# mkfs.ext4 /dev/sdb

Proceed anyway? (y,n) y

mke2fs 1.42.9 (28-Dec-2013)
/dev/sdb is entire device, not just one partition!
Proceed anyway? (y,n) y
Discarding device blocks: done                            
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
32768000 inodes, 131072000 blocks
6553600 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=2279604224
4000 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks: 
	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
	4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 
	102400000

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done     

[root@localhost ~]# mount /dev/sdb /image

查看效果

[root@localhost ~]# df -lh
Filesystem      Size  Used Avail Use% Mounted on
略
/dev/sdb        493G   73M  467G   1% /image

设置开机默认挂载

[root@localhost ~]# blkid /dev/sdb
/dev/sdb: UUID="b8c4a45f-ed74-3089-fcdb-0273de904d6d" TYPE="ext4" 

[root@localhost ~]# vim /etc/fstab

在最后一行增加如下信息

UUID=b8c4a45f-ed74-3089-fcdb-0273de904d6d      /image    ext4    defaults    1 2