腾讯云服务器挂载数据盘

fdisk -l

Disk /dev/vda: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000736d7

Device Boot Start End Blocks Id System
/dev/vda1 * 1 1045 8387584 83 Linux

Disk /dev/vdb: 53.7 GB, 53687091200 bytes //未挂载的磁盘
16 heads, 63 sectors/track, 104025 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/vdc: 2147 MB, 2147483648 bytes
16 heads, 63 sectors/track, 4161 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

fdisk /dev/vdb

帮助文档

Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)

依次输入 n 、p、 1、 回车、回车、wq完成之后

fdisk -l

Disk /dev/vda: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000736d7

Device Boot Start End Blocks Id System
/dev/vda1 * 1 1045 8387584 83 Linux

Disk /dev/vdb: 53.7 GB, 53687091200 bytes
16 heads, 63 sectors/track, 104025 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x71039986

Device Boot Start End Blocks Id System
/dev/vdb1 1 104025 52428568+ 83 Linux 挂载的设备 vdb1

Disk /dev/vdc: 2147 MB, 2147483648 bytes
16 heads, 63 sectors/track, 4161 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

mkfs.ext3 /dev/vdb1 

mkdir /zerodata 自己在根目录建个目录做挂载点

mount /dev/vdb1 /zerodata 

吧/dev/vdb1设备挂载到zerodata 

echo '/dev/vdb1 /home ext3 defaults 0 0' >> /etc/fstab

吧挂载的磁盘开机启动

 cat /etc/fstab 查看是不是写入成功

如果看起来有点奇怪就

vi /etc/fstab 排版一下 

最后df -h就OK了磁盘已经挂载成功