tencent cloud

Cloud Block Storage

User Guide
Announcements
Announcement of the Commercial Charges of Tencent Cloud CBS Snapshot
Announcement of the Commercial Charges of Tencent Cloud CBS Snapshot Cross-Region Replication
Product Introduction
Overview
Strengths
Scenarios
Regions and AZs
Cloud Disk Instances
Cloud Disk Snapshots
Access Management
Related Products
Predecessor
Service Regions and Service Providers
Billing
Billing Overview
Price Overview
Purchase Instructions
Renewal Guide
Overdue Payment
Getting Started
Step 1. Creating Cloud Disks
Step 2. Attaching Cloud Disks
Step 3. Initializing Cloud Disks
User Guide
Operation Overview
Usage Limits
Creating Cloud Disks
Attaching Cloud Disks
Initializing Cloud Disks
Expanding Cloud Disks
Detaching Cloud Disks
Terminating Cloud Disks
Viewing Cloud Disk Information
Adjusting Cloud Disk Types
Adjusting Cloud Disk Performance
Cloud Disk Data Protection Configuration
Cloud Disk Data Backup Point
Managing Snapshots
Monitoring and Alarms
Use Cases
Measuring Cloud Disk Performance
Building LVM Logic Volumes with Multiple Elastic Cloud Disks
Expanding MBR Cloud Disks to Greater Than 2 TB
Troubleshooting
Failed to Unmount Cloud Disks from Windows CVM Instances
Disk Not Mount upon Linux CVM Restart
API Documentation
History
Introduction
API Category
Making API Requests
Snapshot APIs
Cloud Disk APIs
Data Types
Error Codes
FAQs
Features
Billing
Performance FAQs
Snapshot
Usage
Cross-region Replication
CBS Service Level Agreement
Contact Us
Glossary
ドキュメントCloud Block StorageProduct IntroductionRegions and AZs

Regions and AZs

PDF
フォーカスモード
フォントサイズ
最終更新日: 2025-09-15 17:36:21

Regions

A region is the physical location of an IDC. In Tencent Cloud, regions are fully isolated from each other, ensuring cross-region stability and fault tolerance. When purchasing Tencent Cloud services, we recommend selecting the region closest to your end users to minimize access latency and improve download speed. Regions have the following characteristics:
The networks of different regions are fully isolated. Tencent Cloud services in different regions cannot communicate via a private network by default.
Cloud products in different regions can access the Internet through the public network service. Cloud products in a VPC can also use Tencent Cloud's Peering Connection to communicate with each other by using Tencent Cloud's high-speed network to implement a connection that is faster and more stable than Internet access.
Cloud Load Balancer currently supports intra-region traffic forwarding by default. If you enable the cross-region binding feature, a CLB instance can be bound to CVM instances in another region.

Availability Zones

An availability zone (AZ) is a physical IDC of Tencent Cloud with independent power supply and network in the same region. It can ensure business stability, as failures (except for major disasters or power failures) in one AZ are isolated without affecting other AZs in the same region. By starting an instance in an independent AZ, users can protect their applications from being affected by a single point of failure. Availability zones have the following characteristics:
For cloud products under the same Tencent Cloud account, products in the same region but different availability zones and under the same VPC can communicate with each other through the private network, and the private network service can be used for direct access.
Resources under different Tencent Cloud accounts are availability zone-specific, meaning they cannot communicate via a private network, even if they are in the same region.

China

Region
AZ
South China (Guangzhou)
ap-guangzhou
Guangzhou Zone 1 (sold out)
ap-guangzhou-1
Guangzhou Zone 3
ap-guangzhou-3
Guangzhou Zone 4
ap-guangzhou-4
Guangzhou Zone 6
ap-guangzhou-6
Guangzhou Zone 7
ap-guangzhou-7
East China (Shanghai)
ap-shanghai
Shanghai Zone 1 (sold out)
ap-shanghai-1
Shanghai Zone 2
ap-shanghai-2
Shanghai Zone 3
ap-shanghai-3
Shanghai Zone 4
ap-shanghai-4
Shanghai Zone 5
ap-shanghai-5
Shanghai Zone 8
ap-shanghai-8
East China (Nanjing)
ap-nanjing
Nanjing Zone 1
ap-nanjing-1
Nanjing Zone 2
ap-nanjing-2
Nanjing Zone 3
ap-nanjing-3
North China (Beijing)
ap-beijing
Beijing Zone 1 (sold out)
ap-beijing-1
Beijing Zone 2
ap-beijing-2
Beijing Zone 3
ap-beijing-3
Beijing Zone 4
ap-beijing-4
Beijing Zone 5
ap-beijing-5
Beijing Zone 6
ap-beijing-6
Beijing Zone 7
ap-beijing-7
Beijing Zone 8
ap-beijing-8
Southwest China (Chengdu)
ap-chengdu
Chengdu Zone 1
ap-chengdu-1
Chengdu Zone 2
ap-chengdu-2
Southwest China (Chongqing)
ap-chongqing
Chongqing Zone 1
ap-chongqing-1
Hong Kong/Macao/Taiwan (Hong Kong, China)
ap-hongkong
Hong Kong Zone 1 (Nodes in Hong Kong, China can cover Hong Kong/Macao/Taiwan regions) (sold out)
ap-hongkong-1
Hong Kong Zone 2 (Nodes in Hong Kong, China can cover Hong Kong/Macao/Taiwan regions)
ap-hongkong-2
Hong Kong Zone 3 (Nodes in Hong Kong, China can cover Hong Kong/Macao/Taiwan regions)
ap-hongkong-3
Note:
The product is in beta test for Jinan, Hangzhou, Fuzhou, Wuhan, Changsha, and Shijiazhuang regions. To try it out, submit a ticket for application.

Other Countries and Regions

Region
AZ
Southeast Asia (Singapore)
ap-singapore
Singapore Zone 1 (Nodes in Singapore can cover Southeast Asia)
ap-singapore-1
Singapore Zone 2 (Nodes in Singapore can cover Southeast Asia)
ap-singapore-2
Singapore Zone 3 (Nodes in Singapore can cover Southeast Asia)
ap-singapore-3
Singapore Zone 4 (Nodes in Singapore can cover Southeast Asia)
ap-singapore-4
Southeast Asia (Jakarta)
ap-jakarta
Jakarta Zone 1 (Nodes in Jakarta can cover Southeast Asia)
ap-jakarta-1
Jakarta Zone 2 (Nodes in Jakarta can cover Southeast Asia)
ap-jakarta-2
Northeast Asia (Seoul)
ap-seoul
Seoul Zone 1 (Nodes in Seoul can cover Northeast Asia)
ap-seoul-1
Seoul Zone 2 (Nodes in Seoul can cover Northeast Asia)
ap-seoul-2
Northeast Asia (Tokyo)
ap-tokyo
Tokyo Zone 1 (Nodes in Tokyo can cover Northeast Asia)
ap-tokyo-1
Tokyo Zone 2 (Tokyo nodes can cover services in Northeast Asia)
ap-tokyo-2
Southeast Asia (Bangkok)
ap-bangkok
Bangkok Zone 1 (Nodes in Bangkok can cover Southeast Asia)
ap-bangkok-1
Bangkok Zone 2 (Nodes in Bangkok can cover Southeast Asia)
ap-bangkok-2
South America (São Paulo)
sa-saopaulo
Sao Paulo Zone 1 (Sao Paulo nodes cover services in South America)
sa-saopaulo-1
Western US (Silicon Valley)
na-siliconvalley
Silicon Valley Zone 1 (Nodes in Silicon Valley can cover Western US)
na-siliconvalley-1
Silicon Valley Zone 2 (Nodes in Silicon Valley can cover Western US)
na-siliconvalley-2
Eastern US (Virginia)
na-ashburn
Virginia Zone 1 (Nodes in Virginia can cover Eastern US)
na-ashburn-1
Virginia Zone 2 (Nodes in Virginia can cover Eastern US)
na-ashburn-2
Europe (Frankfurt)
eu-frankfurt
Frankfurt Zone 1 (Nodes in Frankfurt can cover Europe)
eu-frankfurt-1
Frankfurt Zone 2 (Nodes in Frankfurt can cover Europe)
eu-frankfurt-2

Selection of Regions and AZs

When selecting a region and availability zone, take the following into consideration:
A cloud disk can only be attached to a CVM in the same availability zone.
The region of the CVM on which the cloud disk will be used, your location, and the location of your users. We recommend that you choose the region closest to your end users when purchasing Tencent Cloud services to minimize access latency and improve access speed.
The relationship between the CVM on which the cloud disk will be used and other Tencent Cloud services. When you select other Tencent Cloud services, we recommend you try to locate them all in the same availability zone of a single region to allow them to communicate with each other through the private network, reducing access latency and increasing access speed.
High availability and disaster recovery. Even if you have just one VPC, we still recommend that you deploy your businesses in different availability zones to prevent a single point of failure and enable cross-AZ disaster recovery.
There may be network latency among different AZs. We recommend you assess your business requirements and find the optimal balance between high availability and low latency.
Actions such as the use and viewing of cloud disks are region-specific. To easily migrate data and services to other regions or construct a cross-region disaster recovery system, you can copy snapshots to other regions. For more information, see Cross-region Snapshot Replicating.
前の記事へ: Scenarios次の記事へ: Cloud Disk Types

ヘルプとサポート

この記事はお役に立ちましたか？

フィードバック