All Products
Search
Document Center

PolarDB:StartRestore

Last Updated:Jul 10, 2026

Starts a backup-based restoration task by calling the StartRestore operation.

Try it now

Try this API in OpenAPI Explorer, no manual signing needed. Successful calls auto-generate SDK code matching your parameters. Download it with built-in credential security for local usage.

Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

drds:StartRestore

update

*instance

acs:drds:{#regionId}:{#accountId}:instance/{#instanceId}

None None

Request parameters

Parameter

Type

Required

Description

Example

DrdsInstanceId

string

Yes

The instance ID of the DRDS instance.

rds********

PreferredBackupTime

string

No

The restoration time of the instance. The value is in the yyyy-MM-dd HH:mm:ss format.

2019-09-10 20:18:18

BackupMode

string

No

The backup mode. Valid values:

  • logic: logical backup

  • phy: fast backup.

phy

BackupLevel

string

No

The backup level. Valid values:

  • db: database level

  • instance: instance level.

db

BackupDbNames

string

No

The list of database names to restore. Separate multiple database names with commas (,).

Note

If you do not specify any database names, all databases in the instance are restored by default.

test1,test2

BackupId

string

No

The ID of the DRDS backup set.

Note

If you do not specify this parameter, the restoration is performed based on the point in time specified by PreferredBackupTime.

23***

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

721C71DD-D3D0-4327-BFDD-678326******

Result

string

The returned result.

success

Success

boolean

The request result.

true

Examples

Success response

JSON format

{
  "RequestId": "721C71DD-D3D0-4327-BFDD-678326******",
  "Result": "success",
  "Success": true
}

Error codes

HTTP status code

Error code

Error message

Description

500 InternalError The request processing has failed due to some unknown error.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.