Virtual Machines

Products

Virtual Machines

Restrictions

Account Limit

  • You need to perform real-name verification for the JD Cloud account used to create the VM instance. For details, please refer to Real-name Verification;
  • The instance cost shall be pre-paid when a monthly package billing instance is created, and the sum of your account balance and available coupon shall not be less than the consumption threshold when a pay-by-configuration billing instance is created.

Usage Restrictions

  • Secondary virtualization is not supported for now (such as installing and using VMware and Hyper-V).
  • External hardware devices (such as U disk, external hard disk, bank U shield, etc.) connection are not supported for now.
  • NAT Instance only supports Centos 7.2 system currently.
  • The first-generation instance type cannot be mutually resized with the second-generation instance type. For details, please refer to Resize.
  • For Windows Server system instances, it supports 64-core vCPU to the maximum. And it is recommended to purchase a minimum configuration of 1Core 2GB to ensure efficient operation of the business.
  • Single instance with a single private IP can only be associated to one elastic IP.
  • The multicast protocol is not supported at this time. It is recommended to use the unicast peer-to-peer method instead.
  • Windows Server instance supports password login, and Linux system instance supports password and key pair login.

Other Restrictions

Constraints Constraint Rules Exception Application Mode
Optional VM Instance Specifications See VM Instance Specifications Open Ticket
Optional Public Image Types See Public Image Release Version Open Ticket
Single Region Instance Quota 20 Open Ticket
Single Region Instance Template Limitation 20 Pieces Ticket
Single Region SSH Key Pair Limitation 20 Pieces Ticket
Single Region Cloud Disk Quota 15 Open Ticket
Single Region Cloud Disk Snapshot Quota 15 Open Ticket
Single Region Elastic IP Quota 10 Open Ticket
Single VPC Security Group Quota 50 Open Ticket
Single Region Private Image Quota 5 Open Ticket
Quota of sharing users in a single private image 10 Ticket
Quota of Cloud Disk Attached to Single Virtual Machine 8 (System Disk + Data Disk 8 Pieces In Total) Adjustment Not Supported
Quota of Elastic IP Associated to Single Virtual Machine Limited by Count of Elastic Network Interface and the Private IP Count assigned by Elastic Network Interface, one Private IP can be associated with one Elastic IP Adjustment Not Supported
Quota of Security Group Associated to Single Virtual Machine 5 Adjustment Not Supported
Quota of Key Pair Associated to Single Virtual Machine 1 Adjustment Not Supported
System Disk Type and Capacity 40GB Local Disk for Free and Adjustment Not Supported
Cloud Disk 40~500GB
Local Disk Capacity Adjustment Not Supported
Data Disk Type and Capacity All Are Cloud Disk Services
General SSD Cloud Disk: 20GB4000GB
Performance-oriented SSD Cloud Disk: 20GB
4000GB
Capacity-oriented HDD Cloud Disk: 20GB4000GB
SSD Cloud Disk: 20GB
1000GB
Premium HDD Cloud Disk: 20GB~3000GB
For General SSD Cloud Disk, Performance-oriented SSD Cloud Disk and Capacity-oriented HDD Cloud Disk, 16000GB for one single disk can be created at most by SDK, adjustment to disks of other types are not supported.
Single Security Group Rules Quota Total Outbound and Inbound Rules No More Than 100 Adjustment Not Supported
Update Time:2019-08-28 21:38:30