[root@iZ2ze1tefvghtbgkdur3xfZ /]# fdisk -l

1. Disk /dev/vda: 42.9 GB, 42949672960 bytes, 83886080 sectors
2. Units = sectors of 1 * 512 = 512 bytes
3. Sector size (logical/physical): 512 bytes / 512 bytes
4. I/O size (minimum/optimal): 512 bytes / 512 bytes
5. Disk label type: dos
6. Disk identifier: 0x0009e68a
8. Device Boot Start End Blocks Id System
9. /dev/vda1 * 2048 83884031 41940992 83 Linux
11. Disk /dev/vdb: 64.4 GB, 64424509440 bytes, 125829120 sectors
12. Units = sectors of 1 * 512 = 512 bytes
13. Sector size (logical/physical): 512 bytes / 512 bytes
14. I/O size (minimum/optimal): 512 bytes / 512 bytes

[root@iZ2ze1tefvghtbgkdur3xfZ /]#fdisk /dev/vdb

1. fdisk命令如下：
2. 命令(输入 m 获取帮助)：m
3. 命令操作
4. a toggle a bootable flag
5. b edit bsd disklabel
6. c toggle the dos compatibility flag
7. d delete a partition
8. g create a new empty GPT partition table
9. G create an IRIX (SGI) partition table
10. l list known partition types
11. m print this menu
12. n add a new partition
13. o create a new empty DOS partition table
14. p print the partition table
15. q quit without saving changes
16. s create a new empty Sun disklabel
17. t change a partition's system id
18. u change display/entry units
19. v verify the partition table
20. w write table to disk and exit
21. x extra functionality (experts only)

1. 命令(输入 m 获取帮助)：n
2. Partition type:
3. p primary (0 primary, 0 extended, 4 free)
4. e extended
5. Select (default p):
6. Using default response p
7. 分区号 (1-4，默认 1)：
8. 起始 扇区 (2048-3221225471，默认为 2048)：
9. 将使用默认值 2048
10. Last 扇区, +扇区 or +size{K,M,G} (2048-3221225471，默认为 3221225471)：
11. 将使用默认值 3221225471
12. 分区 1 已设置为 Linux 类型，大小设为 1.5 TiB

1. 命令(输入 m 获取帮助)：w
2. The partition table has been altered!
4. The partition table has been altered.
5. Calling ioctl() to re-read partition table.
6. Syncing disks.

1. 磁盘 /dev/sdb：1649.3 GB, 1649267441664 字节，3221225472 个扇区
2. Units = 扇区 of 1 * 512 = 512 bytes
3. 扇区大小(逻辑/物理)：512 字节 / 512 字节
4. I/O 大小(最小/最佳)：512 字节 / 512 字节
5. 磁盘标签类型：dos
6. 磁盘标识符：0xe0bc0098
8. 设备 Boot Start End Blocks Id System
9. /dev/sdb1 2048 3221225471 1610611712 83 Linux

1. [root@localhost home]# mkfs.ext4 /dev/vdb
2. meta-data=/dev/sdb1 isize=256 agcount=4, agsize=100663232 blks
3. = sectsz=512 attr=2, projid32bit=1
4. = crc=0 finobt=0
5. data = bsize=4096 blocks=402652928, imaxpct=5
6. = sunit=0 swidth=0 blks
7. naming =version 2 bsize=4096 ascii-ci=0 ftype=0
8. log =internal log bsize=4096 blocks=196607, version=2
9. = sectsz=512 sunit=0 blks, lazy-count=1
10. realtime =none extsz=4096 blocks=0, rtextents=0

1. [root@localhost ~]# mkdir /mnt
2. [root@localhost ~]# mount /dev/vdb /mnt

还有一种方式 就是将/mnt 下的某个文件夹 挂在到制定的位置 mount --bing

1. [root@localhost ~]# mkdir /mnt
2. [root@localhost ~]# mkdir /mnt/media
3. [root@localhost ~]# mount --bind /mnt/media/ /home/disk/media/

1. [root@localhost home]# df -h
2. 文件系统 类型 容量 已用 可用 已用% 挂载点
3. Filesystem Size Used Avail Use% Mounted on
4. udev 10M 0 10M 0% /dev
5. tmpfs 791M 780K 790M 1% /run
6. /dev/vda1 40G 26G 12G 69% /
7. tmpfs 2.0G 0 2.0G 0% /dev/shm
8. tmpfs 5.0M 0 5.0M 0% /run/lock
9. tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
10. /dev/vdb 20G 44M 19G 1% /mnt
11. /dev/vdb 20G 44M 19G 1% /home/disk/media

1. UUID=c44f5977-ba8e-49a5-b7c1-bbdabdb12933 /mnt ext4 defaults,barrier=0 1 1

1. blkid
2. [root@HK-WEB ~]# blkid
3. /dev/vda1: LABEL="/" UUID="91971138-152b-43b1-9d45-1b01198c581b" TYPE="ext4" PARTUUID="6e808324-01"
4. /dev/vdb: UUID="c44f5977-ba8e-49a5-b7c1-bbdabdb12933" TYPE="ext4"

1. umount /home/disk