BuyVM 储存块挂载

BuyVM 储存块挂载的方法

购买

请登录网站购买，此次不展开细说

管理

请登录控制面板，点击所购买的储存块，附加到已有的VPS上。
此次不展开细说。

储存块挂载

• 使用 fdisk -l 查看储存块的基本信息

  root@localhost:~# fdisk -l
  Disk /dev/vda: 20 GiB, 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
  Disklabel type: dos
  Disk identifier: 0x21ca140c
  
  Device     Boot Start      End  Sectors Size Id Type
  /dev/vda1  *     2048 41940735 41938688  20G 83 Linux
  
  
  
  
  Disk /dev/sda: 512 GiB, 549755813888 bytes, 1073741824 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
  

• 使用 fdisk /dev/sda 对新添加的储存块进行分区

  root@localhost:~# fdisk /dev/sda
  Welcome to fdisk (util-linux 2.32.1).
  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.
  Created a new DOS disklabel with disk identifier 0xb12d8bec. 
  Command (m for help): n   #这里输入n
  Partition type
  Select (default p): p
  Partition number (1-4, default 1): 2
  First sector (2048-536870911, default 2048): 2048    #这里就默认即可
  Last sector, +sectors or +size{K,M,G,T,P} (2048-536870911, default 536870911):     #默认即可
  Created a new partition 2 of type 'Linux' and of size 512 GiB. 
  Command (m for help): w    #这里输入w
  The partition table has been altered.
  Calling ioctl() to re-read partition table.
  Syncing disks.
  

• 使用 fdisk -l 查看新的分区

  root@localhost:~# fdisk -l
  Disk /dev/vda: 20 GiB, 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
  Disklabel type: dos
  Disk identifier: 0x21ca140c
  
  Device     Boot Start      End  Sectors Size Id Type
  /dev/vda1  *     2048 41940735 41938688  20G 83 Linux
  
  
  
  
  Disk /dev/sda: 512 GiB, 549755813888 bytes, 1073741824 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
  

- 查看储存块ID

root@localhost:~# ls /dev/disk/by-id/
ata-QEMU_DVD-ROM_QM00004  scsi-0BUYVM_SLAB_VOLUME-12345

此处 scsi-0BUYVM_SLAB_VOLUME-xxxxx 为储存块ID，可以在控制面板 Storage Volumes 里，ID 查看到


- 格式化储存块

mkfs.ext4 -F /dev/disk/by-id/scsi-0BUYVM_SLAB_VOLUME-12345
    
注意：请更改储存块ID为自己的


- 储存块挂载

mount -o discard,defaults /dev/disk/by-id/scsi-0BUYVM_SLAB_VOLUME-12345 /gg

注意：请更改储存块ID为自己的 ，/gg 为系统中的目录，如果这个目录有文件，那么文件都会被清除。


- 设置开机/重启自动挂载

echo '/dev/disk/by-id/scsi-0BUYVM_SLAB_VOLUME-12345 /gg ext4 defaults,nofail,discard 0 0' | sudo tee -a /etc/fstab

测试是否挂载

- 输入 df -h 显示磁盘的相关信息

root@localhost:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            477M     0  477M   0% /dev
tmpfs           100M  3.9M   96M   4% /run
/dev/vda1        20G  915M   18G   5% /
tmpfs           497M     0  497M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           497M     0  497M   0% /sys/fs/cgroup
/dev/sda        504G  271G  208G  57% /gg

- 输入 reboot 重启 查看是否自动挂载