ECS：无法将剪辑从 Centera 迁移到 ECS — ERROR_RETENTION_INCORRECT

Summary: ECS：无法将剪辑从 Centera 迁移到 ECS — ERROR_RETENTION_INCORRECT

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Symptoms

剪辑无法从具有 ERROR_RETENTION_INCORRECT 的 Centera 迁移到 ECS。

堆栈跟踪示例： 
169.254.1.8 2019-11-21T19:30:53,212 [1215100270,sdk,ECSSYNCKDC01/3594002/WRITE_CLIP,-531c636:16e89995c11:-7a82,1] ERROR  AbstractTransaction.java (line 136) Failed to execute the transaction, aborting.
TransactionFailureException: com.emc.vipr.cashead.api.ObjectRetentionIncorrect: Failed to execute operation, error is ERROR_RETENTION_INCORRECT, object name is null
        at com.emc.vipr.cashead.storageserver.access.transaction.write.ObjectWriterImpl.finish(ObjectWriterImpl.java:80)
        at com.emc.vipr.cashead.storageserver.access.transaction.write.AwaitEOF.finish(AwaitEOF.java:173)
        at com.emc.vipr.cashead.storageserver.access.transaction.write.AwaitEOF.put(AwaitEOF.java:111)
        at com.emc.vipr.cashead.storageserver.access.msg.RichLastSegmentMessage.execute(RichLastSegmentMessage.java:61)
        at com.emc.vipr.cashead.storageserver.access.encoding.hpp.HPPResponder$EnqueableTransactionObject.execute(HPPResponder.java:311)
        at com.emc.vipr.cashead.storageserver.access.transaction.AccessTransaction.executeMessage(AccessTransaction.java:57)
        at com.emc.vipr.cashead.storageserver.access.transaction.AbstractTransaction.schedule(AbstractTransaction.java:131)
        at com.emc.vipr.cashead.storageserver.access.transaction.NullScheduler.registerSchedulable(NullScheduler.java:48)
        at com.emc.vipr.cashead.storageserver.access.transaction.AbstractTransaction.putGeneralMessage(AbstractTransaction.java:92)
        at com.emc.vipr.cashead.storageserver.access.transaction.AccessTransaction.put(AccessTransaction.java:61)
        at com.emc.vipr.cashead.storageserver.access.encoding.hpp.HPPResponder.processTransactionObject(HPPResponder.java:276)
        at com.emc.vipr.cashead.storageserver.access.encoding.hpp.HPPResponder.processPacket(HPPResponder.java:290)
        at com.emc.vipr.cashead.storageserver.access.encoding.hpp.HPPResponder.process(HPPResponder.java:181)
        at com.emc.vipr.cashead.storageserver.access.AccessNetworkServer.HandleConnection(AccessNetworkServer.java:51)
        at com.emc.vipr.cashead.hppserver.HPPServer.HandleConnection(HPPServer.java:84)
        at com.emc.vipr.cashead.net.NetworkServerWorker.Work(NetworkServerWorker.java:61)
        at com.emc.vipr.cashead.worker.Worker.call(Worker.java:227)
        at com.emc.vipr.cashead.worker.WorkerSchedulerThread.run(WorkerSchedulerThread.java:137)
Caused by: java.io.IOException: com.emc.vipr.cashead.api.ObjectRetentionIncorrect: Failed to execute operation, error is ERROR_RETENTION_INCORRECT, object name is null
        at com.emc.vipr.cashead.impl.vipr.ViPRObjectWriteHandler.checkResult(ViPRObjectWriteHandler.java:73)
        at com.emc.vipr.cashead.storageserver.access.transaction.write.ObjectWriterImpl.finish(ObjectWriterImpl.java:77)
        ... 17 more
Caused by: com.emc.vipr.cashead.api.ObjectRetentionIncorrect: Failed to execute operation, error is ERROR_RETENTION_INCORRECT, object name is null
        at com.emc.vipr.cashead.impl.vipr.ExceptionTranslator.translateError(ExceptionTranslator.java:38)
        at com.emc.vipr.cashead.impl.vipr.ExceptionTranslator.checkError(ExceptionTranslator.java:21)
        at com.emc.vipr.cashead.impl.vipr.ViPRObjectWriteHandler.checkResult(ViPRObjectWriteHandler.java:71)
        ... 18 more

Cause

情景 1：
---------------
如果对象的保留期超出在存储区上指定的范围，则尝试写入对象将失败。

使用保留策略时，为Minimum Fixed Retention Period选择Infinite意味着所有对象上的所有保留值都必须是无限的。
为Maximum Fixed Retention Period选择infinite意味着没有最大限制。

最小/最大保留约束应用于写入存储桶的任何 C-Clip。如果剪辑是由任何基于 SDK 的第三方工具迁移的，则保留时间应在边界内，否则会引发错误。

方案 2：
--------------
Centera 上定义了保留类策略。您可以通过要求客户提供 Centera 中的以下命令来验证这一点：

Config# show retention all

Resolution

场景 1：
---------------
例如，如果您的 CAS 片段上设置了 7 年的保留期，则需要使用以下保留值创建存储区：

Bucket Retention Period：0 seconds
Minimum Fixed Retention Period：0 seconds
Maximum Fixed Retention Period：8 年
最短可变保留期：0 seconds
Maximum Variable Retention Period：0 秒

这样，保留时间在最小/最大约束范围内。

场景 2：
--------------
要求客户为您提供以下保留类策略。
 
  1. 启动 Centera 的 CLI。
     
  2. 以具有合规性或监视角色的用户身份连接。
     
  3. 键入命令：show retention all

    输出将类似于：

    保留类名称
    期限 ------------------------------------------
    1 类 5 年
    2 类 3 个月
    3 类 10 年

然后，您需要将所有这些保留类策略添加到 ECS 端的命名空间保留策略。在 ECS 端添加命名空间保留策略后，要求客户/PS 再次尝试迁移。

Affected Products

ECS Appliance Hardware Gen1 U-Series

Products

ECS Appliance Hardware Gen1 U-Series, ECS Appliance Software with Encryption, ECS Appliance Software without Encryption
Article Properties
Article Number: 000055152
Article Type: Solution
Last Modified: 20 Oct 2022
Version:  3
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