CBS allows you to create a cloud disk and attach it to any CVM in the same availability zone. The cloud disk is identified and used by the CVM through block storage device mapping. Once created, the cloud disk can reach its maximum performance without prefetch.
You can create different types of CBS cloud disks based on business needs. For more information about CBS disk types, see CBS Types.
|Availability Zone||Required.The availability zone where your cloud disk resides. It cannot be modified after the cloud disk was created.|
|Cloud Disk Type||Required.CBS offers 3 cloud disk types:
|Quick Disk Creation||Optional. To create a cloud disk using a snapshot, you need to tick **Create a cloud disk with a snapshot** and select the snapshot you want to use.
|Capacity||Required.CBS provides the following cloud disk capacity and specifications:
You can associate scheduled snapshot policies when creating a cloud disk to regularly manage your cloud disk snapshots. Currently, Tencent Cloud provides a 50 GB free tier for each region in mainland China. For more information, see Billing Overview.
|Disk Name||Optional.A maximum of 20 characters start with a letter or Chinese character, and can be a combination of upper- and lower-case letters, Chinese characters, numbers, and special characters `.`, `_`, `:`. This parameter can be modified after the cloud disk was created.
|Project||Required.When creating a cloud disk, you can configure the project to which the cloud disk belongs. Default value: **DEFAULT PROJECT**.|
|Tag||Optional.When creating a cloud disk, you can bind a tag to it. Tag is used for identification, helping you easily categorize and search for cloud resources. For more information about tags, see Tag.|
|Billing Mode||Required.CBS is pay-as-you-go.|
|Quantity||Optional.Default value is **1**, meaning only one cloud disk is created. Currently, up to 50 cloud disks can be created at one time.|
|Period||The **Pay-as-you-go** billing mode does not involve this parameter.|
If you want to create a cloud disk that contains all data upon creation, you can create cloud disks using snapshots.
You can use the
CreateDisks API to create a cloud disk. For more information, see CreateDisks.