func resourceAwsDbInstanceCreate(d *schema.ResourceData, meta interface{}) error {
	conn := meta.(*AWSClient).rdsconn
	tags := tagsFromMapRDS(d.Get("tags").(map[string]interface{}))

	if v, ok := d.GetOk("replicate_source_db"); ok {
		opts := rds.CreateDBInstanceReadReplicaInput{
			SourceDBInstanceIdentifier: aws.String(v.(string)),
			DBInstanceClass:            aws.String(d.Get("instance_class").(string)),
			DBInstanceIdentifier:       aws.String(d.Get("identifier").(string)),
			Tags:                       tags,
		}
		if attr, ok := d.GetOk("iops"); ok {
			opts.IOPS = aws.Long(int64(attr.(int)))
		}

		if attr, ok := d.GetOk("port"); ok {
			opts.Port = aws.Long(int64(attr.(int)))
		}

		if attr, ok := d.GetOk("availability_zone"); ok {
			opts.AvailabilityZone = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("publicly_accessible"); ok {
			opts.PubliclyAccessible = aws.Boolean(attr.(bool))
		}
		_, err := conn.CreateDBInstanceReadReplica(&opts)
		if err != nil {
			return fmt.Errorf("Error creating DB Instance: %s", err)
		}
	} else {
		opts := rds.CreateDBInstanceInput{
			AllocatedStorage:     aws.Long(int64(d.Get("allocated_storage").(int))),
			DBName:               aws.String(d.Get("name").(string)),
			DBInstanceClass:      aws.String(d.Get("instance_class").(string)),
			DBInstanceIdentifier: aws.String(d.Get("identifier").(string)),
			MasterUsername:       aws.String(d.Get("username").(string)),
			MasterUserPassword:   aws.String(d.Get("password").(string)),
			Engine:               aws.String(d.Get("engine").(string)),
			EngineVersion:        aws.String(d.Get("engine_version").(string)),
			StorageEncrypted:     aws.Boolean(d.Get("storage_encrypted").(bool)),
			Tags:                 tags,
		}

		attr := d.Get("backup_retention_period")
		opts.BackupRetentionPeriod = aws.Long(int64(attr.(int)))
		if attr, ok := d.GetOk("multi_az"); ok {
			opts.MultiAZ = aws.Boolean(attr.(bool))
		}

		if attr, ok := d.GetOk("maintenance_window"); ok {
			opts.PreferredMaintenanceWindow = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("backup_window"); ok {
			opts.PreferredBackupWindow = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("license_model"); ok {
			opts.LicenseModel = aws.String(attr.(string))
		}
		if attr, ok := d.GetOk("parameter_group_name"); ok {
			opts.DBParameterGroupName = aws.String(attr.(string))
		}

		if attr := d.Get("vpc_security_group_ids").(*schema.Set); attr.Len() > 0 {
			var s []*string
			for _, v := range attr.List() {
				s = append(s, aws.String(v.(string)))
			}
			opts.VPCSecurityGroupIDs = s
		}

		if attr := d.Get("security_group_names").(*schema.Set); attr.Len() > 0 {
			var s []*string
			for _, v := range attr.List() {
				s = append(s, aws.String(v.(string)))
			}
			opts.DBSecurityGroups = s
		}
		if attr, ok := d.GetOk("storage_type"); ok {
			opts.StorageType = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("db_subnet_group_name"); ok {
			opts.DBSubnetGroupName = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("iops"); ok {
			opts.IOPS = aws.Long(int64(attr.(int)))
		}

		if attr, ok := d.GetOk("port"); ok {
			opts.Port = aws.Long(int64(attr.(int)))
		}

		if attr, ok := d.GetOk("availability_zone"); ok {
			opts.AvailabilityZone = aws.String(attr.(string))
		}

		if attr, ok := d.GetOk("publicly_accessible"); ok {
			opts.PubliclyAccessible = aws.Boolean(attr.(bool))
		}

		log.Printf("[DEBUG] DB Instance create configuration: %#v", opts)
		var err error
		_, err = conn.CreateDBInstance(&opts)
		if err != nil {
			return fmt.Errorf("Error creating DB Instance: %s", err)
		}
	}

	d.SetId(d.Get("identifier").(string))

	log.Printf("[INFO] DB Instance ID: %s", d.Id())

	log.Println(
		"[INFO] Waiting for DB Instance to be available")

	stateConf := &resource.StateChangeConf{
		Pending:    []string{"creating", "backing-up", "modifying"},
		Target:     "available",
		Refresh:    resourceAwsDbInstanceStateRefreshFunc(d, meta),
		Timeout:    40 * time.Minute,
		MinTimeout: 10 * time.Second,
		Delay:      30 * time.Second, // Wait 30 secs before starting
	}

	// Wait, catching any errors
	_, err := stateConf.WaitForState()
	if err != nil {
		return err
	}

	return resourceAwsDbInstanceRead(d, meta)
}