阿里云挂载云盘

# lsblk      //lsblk用于列出所有可用块设备的信息

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 20G 0 disk
└─vda1 253:1 0 20G 0 part /
vdb 253:16 0 500G 0 disk

#sudo fdisk -l   //查看机器所挂硬盘个数及分区情况

Disk /dev/vda: 21.5 GB, 21474836480 bytes, 41943040 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 label type: dos
Disk identifier: 0x000b2d99

Device Boot Start End Blocks Id System
/dev/vda1 * 2048 41943039 20970496 83 Linux

Disk /dev/vdb: 536.9 GB, 536870912000 bytes, 1048576000 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   //没有分区

# fdisk /dev/vdb    //分区，依次输入n，q，wq
Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0xeed8368d.

Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-1048575999, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-1048575999, default 1048575999):
Using default value 1048575999
Partition 1 of type Linux and of size 500 GiB is set

Command (m for help): wq
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

# fdisk -l

Disk /dev/vda: 21.5 GB, 21474836480 bytes, 41943040 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 label type: dos
Disk identifier: 0x000b2d99

Device Boot Start End Blocks Id System
/dev/vda1 * 2048 41943039 20970496 83 Linux

Disk /dev/vdb: 536.9 GB, 536870912000 bytes, 1048576000 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 label type: dos
Disk identifier: 0xeed8368d

Device Boot Start End Blocks Id System
/dev/vdb1 2048 1048575999 524286976 83 Linux //分区成功

# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 20G 0 disk
└─vda1 253:1 0 20G 0 part /
vdb 253:16 0 500G 0 disk
└─vdb1 253:17 0 500G 0 part

# mkdir adata //创一个文件夹用于挂载设备

# mkfs.ext4 /dev/vdb1 //格式化磁盘

# mount /dev/vdb1 /wxdata   //挂载磁盘

# blkid //查看UUID

/dev/vda1: UUID="1114fe9e-2309-4580-b183-d778e6d97397" TYPE="ext4"
/dev/vdb1: UUID="56135137-6ab8-4367-a6df-05bdbc1209df" TYPE="ext4"

#vim /etc/fstab   //重启之后自动挂载

#
# /etc/fstab
# Created by anaconda on Thu Jul 11 02:52:01 2019
#
# 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=1114fe9e-2309-4580-b183-d778e6d97397 /            ext4     defaults  1 1   //这个原有的
UUID=56135137-6ab8-4367-a6df-05bdbc1209df /wxdata ext4     defaults  0 0   //这个新加的