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PolarDB:CreateBackup

Last Updated:Mar 01, 2024

Creates a full snapshot backup for a PolarDB cluster.

Operation description

Note
  • You can manually create up to three backups for each cluster.

  • The Exceeding the daily backup times of this DB cluster error message indicates that three manual backups already exist in your cluster. You must delete existing backups before you call this operation to manually create backups. For more information about how to delete backups, see Delete backups.

  • After you call this operation, a backup task is created in the backend. The task may be time-consuming if you want to back up large amounts of data.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

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.
OperationAccess levelResource typeCondition keyAssociated operation
polardb:CreateBackupWRITE
  • dbcluster
    acs:polardb:{#regionId}:{#accountId}:dbcluster/{#dbclusterId}
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
DBClusterIdstringYes

The cluster ID.

pc-*************
ClientTokenstringNo

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must make sure that it is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length. The token is case-sensitive.

6000170000591aed949d0f54a343f1a4233c1e7d1c5c******

Response parameters

ParameterTypeDescriptionExample
object
RequestIdstring

The request ID.

F3322AFE-083E-4D77-A074-421301******
BackupJobIdstring

The ID of the backup set.

11111111

Examples

Sample success responses

JSONformat

{
  "RequestId": "F3322AFE-083E-4D77-A074-421301******",
  "BackupJobId": "11111111"
}

Error codes

HTTP status codeError codeError messageDescription
403BackupTimesExceededThe maximum number of backups per day is exceeded.The number of backups per day for each cluster cannot exceed 3.
404InvalidDBClusterId.NotFoundThe DBClusterId provided does not exist in our records.The specified DBClusterId parameter does not exist in the current record.

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

Change history

Change timeSummary of changesOperation
2023-09-12The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 404 change
    delete Error Codes: 403
    Added Error Codes: 400
2022-03-25The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    Error Codes 404 change
2022-03-25The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    delete Error Codes: 404
    Added Error Codes: 403