DBInstanceIdentifier: [required] The DB instance identifier. This value is stored as a lowercase string.
Constraints:
Must match the identifier of an existing read replica DB instance.
Example: mydbinstance
BackupRetentionPeriod: The number of days for which automated backups are retained. Setting this parameter to a positive number enables backups. Setting this parameter to 0 disables automated backups.
Default: 1
Constraints:
Must be a value from 0 to 35.
Can't be set to 0 if the DB instance is a source to read replicas.
PreferredBackupWindow: The daily time range during which automated backups are created if automated backups are enabled, using the BackupRetentionPeriod
parameter.
The default is a 30-minute window selected at random from an 8-hour block of time for each Amazon Web Services Region. To see the time blocks available, see Adjusting the Preferred Maintenance Window in the Amazon RDS User Guide.
Constraints:
Must be in the format hh24:mi-hh24:mi.
Must be in Universal Coordinated Time (UTC).
Must not conflict with the preferred maintenance window.