https://blog.csdn.net/Lyon_Nee/article/details/108196445 https://blog.csdn.net/bill_wjn/article/details/106013425

root@instance-2lsk5f5o:/# fdisk /dev/vdb
 
Welcome to fdisk (util-linux 2.37.2).
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.
Created a new DOS disklabel with disk identifier 0x711ca758.
 
Command (m for help): m
 
Help:
 
  DOS (MBR)
   a   toggle a bootable flag
   b   edit nested BSD disklabel
   c   toggle the dos compatibility flag
 
  Generic
   d   delete a partition
   F   list free unpartitioned space
   l   list known partition types
   n   add a new partition
   p   print the partition table
   t   change a partition type
   v   verify the partition table
   i   print information about a partition
 
  Misc
   m   print this menu
   u   change display/entry units
   x   extra functionality (experts only)
 
  Script
   I   load disk layout from sfdisk script file
   O   dump disk layout to sfdisk script file
 
  Save & Exit
   w   write table to disk and exit
   q   quit without saving changes
 
  Create a new label
   g   create a new empty GPT partition table
   G   create a new empty SGI (IRIX) partition table
   o   create a new empty DOS partition table
   s   create a new empty Sun partition table
 
 
Command (m for help): n
Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-419430399, default 2048): 
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-419430399, default 419430399): 
 
Created a new partition 1 of type 'Linux' and of size 200 GiB.
 
Command (m for help): wq
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
 
root@instance-2lsk5f5o:/#