PowerProtect：處理要求時，Cloud Snapshot Manager 複製工作失敗，並出現錯誤

Summary: PowerProtect：Cloud Snapshot Manager 複製工作失敗，並顯示錯誤：{“錯誤”：[{“代碼”：1004，“消息”：“處理請求時遇到錯誤。”，“詳細資訊”：“處理請求時遇到錯誤。”}]}

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Symptoms

將快照從 Amazon Web Services （AWS） 複製到 Data Domain Virtual Edition （DDVE） 的複製工作失敗，並出現類似以下的錯誤訊息： 
"Error occured fetching session from csm proxy : Error: {"errors":[{"code":1004,"message":"Error encountered while processing the request.","details":"Error encountered while processing the request."}]} Error code: 3041"
沒有 AWS ECS 集群，任務定義已在 AWS 帳戶中創建。

AWS CloudFormation 記錄會顯示類似以下內容的錯誤訊息： 
# TaskDefinition CREATE_FAILED
Resource handler returned message: "Invalid request provided: Create TaskDefinition: User: arn:aws:sts::sideID:assumed-role/CSMRole/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx is not authorized to perform: ecs:TagResource on resource: arn:aws:ecs:ZONE:sideID:task-definition/csm-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx_proxyTaskDefinition:* because no identity-based policy allows the ecs:TagResource action (Service: AmazonECS; Status Code: 400; Error Code: AccessDeniedException; Request ID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx; Proxy: null)" (RequestToken: 0d5dea1c-e158-e5e2-0080-1e2c521679dc, HandlerErrorCode: InvalidRequest)
此時會看到類似以下內容的訊息： 
# Cluster CREATE_FAILED
Resource handler returned message: "Error occurred during operation 'CreateCluster SDK error: User: arn:aws:sts::sideID:assumed-role/CSMRole/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx is not authorized to perform: ecs:TagResource on resource: arn:aws:ecs:ZONE:sideID:cluster/csm-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx_proxyCluster because no identity-based policy allows the ecs:TagResource action (Service: AmazonECS; Status Code: 400; Error Code: AccessDeniedException; Request ID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx; Proxy: null)'." (RequestToken: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, HandlerErrorCode: GeneralServiceException)

Cause

AWS 權限 ecs:TagResource 在分配給雲快照管理器使用的角色的 IAM 策略中丟失。

Resolution

更新分配給 Cloud Snapshot Manager 所用角色的 IAM 原則。

以下文件連結可用於尋找有關如何建立或更新 IAM 策略的步驟：PowerProtect Cloud Snapshot Manager 線上說明 |Dell US

在 JSON 標籤下進行變更，如下圖所示：

CSM 原則變更以新增 esc：TagResource 權限。

Affected Products

Cloud Snapshot Manager, PowerProtect Cloud Snapshot
Article Properties
Article Number: 000223744
Article Type: Solution
Last Modified: 29 Aug 2025
Version:  2
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