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ApsaraDB RDS:DescribeDBInstanceHAConfig

Last Updated:Nov 22, 2024

Queries the high availability mode and data replication mode of an instance.

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.

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
rds:DescribeDBInstanceHAConfigget
*DBInstance
acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}
  • rds:ResourceTag
none

Request parameters

ParameterTypeRequiredDescriptionExample
DBInstanceIdstringYes

The instance ID. You can call the DescribeDBInstances operation to query the instance ID.

rm-uf6wjk5xxxxxx

Response parameters

ParameterTypeDescriptionExample
object

The response parameters.

DBInstanceIdstring

The instance ID.

rm-uf6wjk5xxxxxx
RequestIdstring

The request ID.

1AD222E9-E606-4A42-BF6D-8A4442913CEF
HAModestring

The high availability mode of the instance. Valid values:

  • RPO: Data consistency is preferred. The instance ensures data reliability to minimize data losses. If you have high requirements on data consistency, select this mode.
  • RTO: Service availability is preferred. The instance restores the database service at the earliest opportunity to ensure service availability. If you have high requirements on instance availability, select this mode.
Note This parameter is returned only for instances that run MySQL.
RPO
SyncModestring

The data replication mode of the instance. Valid values:

  • Sync: the synchronous mode
  • Semi-sync: the semi-synchronous replication mode
  • Async: the asynchronous mode
Note This parameter is returned only for instances that run MySQL.
Sync
HostInstanceInfosarray<object>

An array that consists of the information of the primary and secondary instances.

NodeInfoobject
LogSyncTimestring

The time when the secondary instance received logs from the primary instance. The time follows the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time is displayed in UTC.

2018-05-05T15:15:00Z
NodeTypestring

The type of the node. Valid values:

  • Master: the primary node
  • Slave: the secondary node
Master
ZoneIdstring

The ID of the zone.

cn-hangzhou-b
SyncStatusstring

The synchronization status. Valid values:

  • NotAvailable: The synchronization fails. This means that faults occur.
  • Syncing: The synchronization is in process. In this case, a primary/secondary switchover may cause data losses.
  • Synchronized: The synchronization is completed.
  • NotSupport: The database engine or database engine version does not involve the synchronization between the primary and secondary instances.
NotAvailable
DataSyncTimestring

The time when the secondary instance completed the synchronization of data from the primary instance. The time follows the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time is displayed in UTC.

2018-05-05T15:15:00Z
NodeIdstring

The ID of the instance.

3397027
RegionIdstring

The region ID of the instance.

cn-hangzhou

Examples

Sample success responses

JSONformat

{
  "DBInstanceId": "rm-uf6wjk5xxxxxx",
  "RequestId": "1AD222E9-E606-4A42-BF6D-8A4442913CEF",
  "HAMode": "RPO",
  "SyncMode": "Sync",
  "HostInstanceInfos": {
    "NodeInfo": [
      {
        "LogSyncTime": "2018-05-05T15:15:00Z",
        "NodeType": "Master",
        "ZoneId": "cn-hangzhou-b",
        "SyncStatus": "NotAvailable",
        "DataSyncTime": "2018-05-05T15:15:00Z",
        "NodeId": "3397027",
        "RegionId": "cn-hangzhou"
      }
    ]
  }
}

Error codes

HTTP status codeError codeError messageDescription
400InvalidConfigNameThe ConfigName is not valid.-
400IncorrectEngineVersionCurrent DB instance engine version does not support this operation.This operation is not supported for the database engine version of the current instance.
400InvalidParameters.FormatSpecified parameter is not validThe operation failed. The values of some parameters are invalid.
400Order.ComboInstanceNotAllowOperateA package instance is not allowed to operate independently.A package instance is not allowed to operate independently.
400Price.PricingPlanResultNotFoundPricing plan price result not found.Pricing plan price result not found.
400Order.NoRealNameAuthenticationYou have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the user center for real-name authentication.You have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the cost and cost for real-name authentication.
400InsufficientAvailableQuotaYour account quota limit is less than 0, please recharge before trying to purchase.Your account available limit is less than 0, please recharge before trying to purchase.
400CommodityServiceCalling.ExceptionFailed to call commodity service.Failed to call commodity service return.
400RegionDissolvedEOMDear customer, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will cease operations. You are currently unable to operate new purchase orders. Thank you for your understanding and support.Hello, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will stop operating. In order to ensure your business continuity and smooth transition of data migration, you are currently unable to operate new purchase orders. Thank you for your understanding and support.
400Commodity.InvalidComponentThe module you purchased is not legal, please buy it again.The module you purchased is not legal, please buy it again.
400RegionEndTimeDissolvedIndiaCloud services in the India (Mumbai) region will be discontinued. Set the validity date to July 15, 2024 or earlier than July 15, 2024.Hello customer, this area has been abolished.
400RegionEndTimeDissolvedAustraliaCloud services in the Australia (Sydney) region will be discontinued. Set the validity date to September 30, 2024 or earlier than September 30, 2024.Hello customer, this area has been abolished.
400Price.CommoditySysCommodity system call exception.Commodity system call exception.
400Pay.InsufficientBalanceInsufficient available balance.Insufficient available balance.
400Order.PeriodInvalidThere is a problem with the period you selected, please choose again.There is a problem with the period you selected, please choose again.
400pay.noCreditCardAccount not bound to credit card.-
400Order.InstHasUnpaidOrderThere is an unpaid order for the service you have purchased. Please pay or void it before placing the order.There is an unpaid order for the service you have purchased. Please pay or void it before placing the order.
400noAvailablePaymentMethodNo payment method is specified for your account. We recommend that you add a payment method.-
400BasicInfoUncompletedYour information is incomplete. Complete your information before the operation.Your basic information is not complete, please complete your basic information before operation.
400Risk.RiskControlRejectionYour account is abnormal, please contact customer service for details.Your account is abnormal, please contact customer service for details.
400BasicInfoUncompletedYour information is incomplete, Complete your information before the operation.-
400Api.NotSupportSpecified api is not supported.The current interface does not support.
400ContainForbiddenLabelErrorThere is a label that prohibits placing orders. Please contact your distributor for assistance.You cannot place the order because a tag indicates that order placement is prohibited. Contact your distributor.
400InvalidDBInstanceId.NotFoundThe DBInstanceId provided does not exist in records.The DBInstanceId provided does not exist.
400InvalidInstanceLevel.DiskTypeSpecified instance level not support request disk typeThe current instance type does not support the specified storage type.
400InvalidParamSepcified wal level Parameter is invalid. There are still logical slots in instance, so it can not be set as replica.The specified wal_level parameter is invalid. There is still a copy slot in the instance, so it cannot be set to replica.
400KmsApiErrorUser secret key invalid.The user key is invalid.
400System.SaleValidateFailedSales expression validation system error.A system error occurs when the sales expression is verified.
400Abs.InvalidAccount.NotFoundaccount is not found.The account does not exist.
400SqlExecuteFailedOrTimeoutsql command execution failed or timed out:%s.SQL command execution failed or timed out
400ColdData.EngineVersionNotSupportThe current instance engine version not support coldDataEnabled.The current instance engine version not support coldDataEnabled.
400ColdData.MinorVersionNotSupportThe current instance minor version not support coldDataEnabled.The current instance minor version not support coldDataEnabled.
400IncorrectTargetClasscodeThe current instance type does not support this operation.This operation is not supported by the instance type.
400InvalidConnectionString.DuplicateSpecified connection string already exists in the RDS.The link address name is duplicate. Please reset the connection string.
400RequiredParam.NotFoundRequired input param is not found.-
400Parameters.InvalidParameter error, please check the parameters.Parameter error, please check the parameters.
400BackupPolicyNotSupportCold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.Cold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.
400InvalideStatus.FormatThe instance status does not support this operation.-
400InvalidReleasedKeepPolicy.FormatSpecified Released Keep Policy is not valid.Specified Released Keep Policy is not valid.
400InvalidDBInstanceEngineType.Formatthe DB instance engine type does not support this operation.This operation is not supported for the database engine of the instance.
400Pay.NoCreditCardNo credit cards.No credit cards.
400VpcNetworkTypeNotSupportThe vpc network type instance does not support this operation.The vpc network type instance does not support this operation.
400MirrorInsExistsSpecified DB instance mirror ins already existed.Specified DB instance mirror ins already existed.
400UnsupportedClassCodeThe specified DB instance class stops selling.The specified DB instance class stops selling.
400InvalidBackupSetThe specified database does not exist in the backup set.The specified database does not exist in the backup set.
400OrdTCommodityQueryErrorFailed to query for product.Failed to query product.
403IncorrectDBInstanceTypeCurrent DB instance engine and type does not support operations.The operation failed. The operation is not supported for the database engine of the RDS instance.
403IncorrectDBInstanceStateCurrent DB instance state does not support this operation.-
403OrderStatus.UnPaidThe specified db instance has unpaid order.The instance has an unpaid order. Please pay first and try again.
403InvalidReduceDiskSizeThe storage capacity after the scale-down must be larger than the used amount.The scale-in target capacity cannot be less than the current storage space usage
403CloudSSDNotSupportCloud ssd does not support this operation, please upgrade to essd.-
403InvalidUserOperatorPermissionThe user permission does not support this operation.The user is not authorized to perform this operation.
403InvalidVswitchIdSpecified conn vswitch id is not valid.-
403IncorrectMinorVersionCurrent engine minor version does not support operations.This operation is not supported for the current minor engine version.
403OperationDenied.ZoneResourceThere is no available zone for inventory.There is no available zone for inventory.
403NotInFlowControllerSorry,no permission.Sorry,no permission.
403InvalidKmsKeyKms key is disabled.-
403InvalidInstanceLevel.MalformedCurrent DB instance level does not support this operation.The specified database instance type does not support this operation.
404InvalidDBInstanceName.NotFoundThe database instance does not exist.The name of the RDS instance cannot be found. Check the name of the RDS instance.
404InvalidDBInstance.NotFoundThe specified instance does not exist or is not supported.The RDS instance cannot be found. Check the ID or name of the RDS instance.
404InvalidClusterKmsThe current instance does not authorized to access the Key Management Service.The instance does not have permissions to access Key Management Service (KMS).
404Request.NotFoundThe requested resource is not available.The requested resources are unavailable.
404HostInfo.NotFoundThe specified host info is not found.-
500ExternalFailureThe request processing has failed due to external service failure.The request processing has failed due to external service failure.
500RequestMetaDataFailedThe service request failed. Please try again later or contact service personnel.The service request failed. Please try again later or contact service personnel.
500InvokeProxyFailureThe request processing has failed due to service failure of rds api.The request failed to be processed due to an RDS API failure.

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

Change history

Change timeSummary of changesOperation
2022-06-23API Description UpdateView Change Details