PowerProtect Data Manager：由於「要求實體太大」，無法停用保留鎖定

• 保留鎖定停用工作在 PPDM 中失敗。
• 錯誤代碼： CPM0016
  • PPDM 錯誤代碼代表廣泛的問題類別，可以對應至許多可能的根本原因。請確定記錄錯誤符合以下所示範例
• 系統工作錯誤：  A JSONObject text must begin with '{' at 1 [character 2 line 1]
• 記錄失敗： Request entity is too large 

記錄中的錯誤 compliance-verification.log
記錄位置： /var/log/brs/compliance-verification

2026-06-09T07:09:31.328Z INFO [] [ForkJoinPool.commonPool-worker-14] [00000000-0000-4000-a000-000000000000][][TASK_ID:92fbb09ab74149d5][TRACE_ID:b030c12908fb1ca8;JOB_ID:8ba3a2025c05c8cf][] [c.e.b.d.c.r.c.DdRestClient.executeRestRequest(601)] - executeRestRequest uri: https://[HOSTNAME]:3009/rest/v1.0/dd-systems/[SYSTEM_ID]/mtrees/%2Fdata%2Fcol1%2F[STORAGE_UNIT]/rlfiles, method: PUT took: 61 milliseconds
 
... before the job reported failure below, we actually see "Request entity is too large" 

2026-06-09T07:09:31.328Z INFO [] [ForkJoinPool.commonPool-worker-14] [00000000-0000-4000-a000-000000000000][][TASK_ID:92fbb09ab74149d5][TRACE_ID:b030c12908fb1ca8;JOB_ID:8ba3a2025c05c8cf][] [c.e.b.d.c.r.c.DdRestClient.executeRestRequest(608)] - Received Status Code 413 with body <?xml version="1.0" encoding="UTF-8"?>
<service_status><details>Request entity is too large</details><code>5439</code></service_status>
2026-06-09T07:09:31.328Z ERROR [] [ForkJoinPool.commonPool-worker-14] [00000000-0000-4000-a000-000000000000][][TASK_ID:92fbb09ab74149d5][TRACE_ID:b030c12908fb1ca8;JOB_ID:8ba3a2025c05c8cf][] [c.e.b.d.c.r.c.DdRestClient.executeRestRequest(658)] - A JSONObject text must begin with '{' at 1 [character 2 line 1]
2026-06-09T07:09:31.328Z ERROR [] [ForkJoinPool.commonPool-worker-14] [00000000-0000-4000-a000-000000000000][][TASK_ID:92fbb09ab74149d5][TRACE_ID:b030c12908fb1ca8;JOB_ID:8ba3a2025c05c8cf][] [c.e.b.d.c.r.c.DdRestClient.putResource(411)] - Exception when trying to put data, PowerProtect DD System = [HOSTNAME], error = A JSONObject text must begin with '{' at 1 [character 2 line 1]
2026-06-09T07:09:31.328Z ERROR [] [ForkJoinPool.commonPool-worker-14] [00000000-0000-4000-a000-000000000000][][TASK_ID:92fbb09ab74149d5][TRACE_ID:b030c12908fb1ca8;JOB_ID:8ba3a2025c05c8cf][] [c.e.b.c.r.s.r.d.DataCopyDDAccessor.resetRetentionLockOnDD(532)] - Reset file retention lock - Exception {}
com.emc.brs.datadomain.common.rest.connection.DdRestClientException: A JSONObject text must begin with '{' at 1 [character 2 line 1]
at com.emc.brs.datadomain.common.rest.connection.DdRestClient.executeRestRequest(DdRestClient.java:659)
at com.emc.brs.datadomain.common.rest.connection.DdRestClient.putResource(DdRestClient.java:409)
at com.emc.brs.datadomain.common.rest.connection.DdRestClient.putResource(DdRestClient.java:393)
at com.emc.brs.datadomain.common.rest.connection.DataCopyDDAccessor.resetRetentionLockOnDD(DataCopyDDAccessor.java:479)
at com.emc.brs.copy.rest.service.retentiontimeandlock.ActionSetRetentionInfo.resetRetentionLockOnDD(ActionSetRetentionInfo.java:1197)
at com.emc.brs.copy.rest.service.retentiontimeandlock.ActionSetRetentionInfo.resetRetentionLockWithSplit(ActionSetRetentionInfo.java:1110)
at com.emc.brs.copy.rest.service.retentiontimeandlock.ActionSetRetentionInfo.resetRetentionLock(ActionSetRetentionInfo.java:979)
at com.emc.brs.copy.rest.service.retentiontimeandlock.ActionRetentionTimeAndLock.executeResetRetentionLockRequest(ActionRetentionTimeAndLock.java:309

當 PPDM 嘗試停用包含大量檔案的備份上的保留鎖定時，要求可能會超過 Data Domain 支援的大小限制。要求遭到拒絕，導致保留鎖定移除作業失敗。

永久修正正在開發中。在發佈時，此缺陷仍未在 PowerProtect Data Manager 20.2 版及更舊版本中解決。

因應措施：

1. 請聯絡 Dell 技術支援，要求協助從受影響的備份副本手動移除保留鎖定。
2. 請確定已從 PowerProtect Data Manager 和 PowerProtect Data Domain 系統中移除保留鎖定，以保持系統同步，並避免保留鎖定不一致。