DescribeAvailableCrossRegion - ApsaraDB RDS - Alibaba Cloud Documentation Center

Queries the available destination regions to which the cross-region backup files from a specific source region can be replicated.

Operation description

Supported database engines

MySQL
PostgreSQL
SQL Server

References

Note Before you call this operation, carefully read the following documentation. Make sure that you fully understand the prerequisites and impacts for calling this operation.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
rds:DescribeAvailableCrossRegion	get	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID. You can call the DescribeRegions operation to query the most recent zone list.	cn-hangzhou

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The ID of the request.	39265F46-EC77-4036-8AC4-F035F32F6BE2
Regions	array	An array that consists of destination regions for cross-region backups.
Region	string	The list of destination regions that support cross-region backup.	"cn-qingdao","cn-shanghai", "cn-shenzhen"

Examples

Sample success responses

JSONformat

{
  "RequestId": "39265F46-EC77-4036-8AC4-F035F32F6BE2",
  "Regions": {
    "Region": [
      "\"cn-qingdao\",\"cn-shanghai\", \"cn-shenzhen\""
    ]
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidRegion.Format	Specified Region is not valid.	The region ID is invalid. Check the region ID.
403	CrossBackupNotSupport	Specified region not support cross region backup.	Cross-zone backup is not supported in the specified region.
404	InvalidPage.notFound	Page not found.	The specified parameters are not found. Check your parameters.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2022-09-01	The Error code has changed	View Change Details