PowerProtect Data Manager：“请求实体太大”无法禁用保留锁

• PPDM 中的保留锁定禁用作业失败。
• 错误代码： CPM0016
  • PPDM 错误代码代表一个广泛的问题类别，可以映射到许多可能的根本原因。确保日志错误与下面显示的示例匹配
• 系统作业错误：  A JSONObject text must begin with '{' at 1 [character 2 line 1]
• 日志失败： Request entity is too large 

日志中的错误 compliance-verification.log
日志位置： /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

当 PPDM 尝试在包含大量文件的备份上禁用保留锁定时，请求可能会超过 Data Domain 支持的大小限制。请求被拒绝，导致保留锁删除操作失败。

永久修复正在开发中。截至发布时，此缺陷在 PowerProtect Data Manager 版本 20.2 及更早版本中仍未解决。

解决方法：

1. 请联系 戴尔技术支持人员，请求帮助从受影响的备份拷贝中手动删除保留锁。
2. 确保从 PowerProtect Data Manager 和 PowerProtect Data Domain 系统中删除保留锁，以保持系统同步并防止保留锁不一致。