Welcome to Tencent Cloud Block Storage (CBS).
CBS is a highly available, reliable, economical, and customizable network block storage service. For more information, see Overview.
You can use the APIs in this document to perform various operations on cloud disks and snapshots, such as creating elastic cloud disks, creating snapshots, and rolling back snapshots. For supported operations, see API Overview.
You need to fully understand the concepts in Overview, Creating Cloud Disks and Price Overview.
Note: All APIs in this section are version 3.0. New CBS APIs added in the future will also be version 3.0. We strongly recommend you use API 3.0.
To quickly familiarize you with cloud disk and snapshot services, some common terms are explained in the following table:
Term | Description |
---|---|
CBS | Cloud Block Storage (CBS) is Tencent Cloud’s proprietary distributed block storage service, including cloud disks purchased along with CVM instances and elastic cloud disks purchased separately. For more information, see Overview. |
Elastic cloud disk | An elastic cloud disk is purchased separately rather than along with a CVM instance. It has an independent (billing) lifecycle and can be freely attached and detached across CVM instances. It cannot be attached to multiple CVM instances at the same time though. |
Snapshot | A cloud disk snapshot is used to save a copy of the cloud disk at a point in time. You can use the snapshot to restore the cloud disk to the point in time when the snapshot was created. |
To use an elastic cloud disk through APIs, you need to complete the following three steps:
To use a cloud disk snapshot through APIs, you need to complete the following two steps:
For the limits of cloud disks and snapshots, see Use Limits. For specific parameter restrictions, see the descriptions of output parameters in the API documentation.
Was this page helpful?