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用户需要做运维协助操作吗？ 需要。 如果按照如何检查后端服务器网络状态？到如何检查通过EIP访问后端云服务器？章节，自查指导的操作进行确认后，弹性负载均衡器依然无法通信，则需联系客服解决。 用户需向技术支持人员提供如下表格中的信息： 项目信息 您的值 负载均衡器的ID - 虚拟私有云的ID
下联面子网必须属于该LB所在的VPC。 prepaid_options 否 UpgradePrepaidOption object 参数解释：创建负载均衡器实例的预付费计费配置。若传入该结构体，则创建预付费类型的负载均衡器实例。 表4 UpgradePrepaidOption 参数 是否必选 参数类型
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
OFFLINE：后端服务器关联的ECS服务器不存在或已关机。 reason MemberHealthCheckFailedReason object 健康检查异常的原因。 表8 MemberHealthCheckFailedReason 参数 参数类型 描述 reason_code String 参数解释：健康检查异常原因码。
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
OFFLINE：后端服务器关联的ECS服务器不存在或已关机。 reason MemberHealthCheckFailedReason object 健康检查异常的原因。 表6 MemberHealthCheckFailedReason 参数 参数类型 描述 reason_code String 参数解释：健康检查异常原因码。
参数解释：任务类型。 status 否 String 参数解释：任务状态。 取值范围：INIT,RUNNING,FAIL,SUCCESS,ROLLBACKING,COMPLETE,ROLLBACK_FAIL,CANCEL error_code 否 String 参数解释： 任务的错误码。 resource_id
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
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