Updated on 2025-10-20 GMT+08:00

Generating a WDR Snapshot

Function

This API is used to generate a WDR snapshot. Before calling this API:

Constraints

  • No node is rebooted between the two snapshots.
  • No primary/standby switchover is performed between the two snapshots.
  • No DROP operation is performed on the database between the two snapshots.
  • The DB instance is not read-only.
  • The DB instance is not a DR instance.

Debugging

You can debug this API in API Explorer.

URI

POST /v3/{project_id}/instances/{instance_id}/wdr-snapshots

Table 1 Parameter description

Parameter

Mandatory

Description

project_id

Yes

Definition

Project ID of a tenant in a region.

To obtain the value, see Obtaining a Project ID.

Constraints

N/A

Range

The value can contain 32 characters. Only letters and digits are allowed.

Default Value

N/A

instance_id

Yes

Definition

Instance ID, which uniquely identifies an instance.

Constraints

N/A

Range

The value can contain 36 characters. Only letters and digits are allowed.

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token.

You can obtain the token by calling the IAM API used to obtain a user token.

The value of X-Subject-Token in the response header is the token value.

Constraints

N/A

Range

N/A

Default Value

N/A

X-Language

No

String

Definition

Language.

Constraints

N/A

Range

  • zh-cn
  • en-us

Default Value

en-us

Response Parameters

None

Example Request

POST https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/0611f1bd8b00d5d32f17c017f15b599f/instances/d04686c6baae4f65a742771186f47b7ain14/wdr-snapshot

Example Response

None

Status Codes

Error Codes

For details, see Error Codes.