Ubuntu16.04 中如何第二块磁盘

root@ranxf:/# fdisk -l

Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 59353137-DD3B-40FF-9656-314427DE1ADB

设备           Start    末尾    扇区   Size 类型
/dev/sda1       2048   1050623   1048576   512M EFI System
/dev/sda2    1050624 960419839 959369216 457.5G Linux filesystem
/dev/sda3  960419840 976771071  16351232   7.8G Linux swap


Disk /dev/sdb: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xc48b3f11

设备       启动 Start    末尾    扇区   Size Id 类型
/dev/sdb1        2048 976773119 976771072 465.8G 83 Linux


Disk /dev/sdc: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sdd: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

root@ranxf:/# mkdir /wwwroot
root@ranxf:/# mount /dev/sdb1 /wwwroot/

root@ranxf:/# df -h
文件系统        容量  已用  可用 已用% 挂载点
udev            3.8G     0  3.8G    0% /dev
tmpfs           778M  9.4M  769M    2% /run
/dev/sda2       451G   20G  408G    5% /
tmpfs           3.8G   56M  3.8G    2% /dev/shm
tmpfs           5.0M     0  5.0M    0% /run/lock
tmpfs           3.8G     0  3.8G    0% /sys/fs/cgroup
/dev/sda1       511M  3.6M  508M    1% /boot/efi
tmpfs           778M     0  778M    0% /run/user/121
tmpfs           778M   92K  778M    1% /run/user/1000
/dev/sdb1       459G   70M  435G    1% /wwwroot
root@ranxf:/#