Vprotect：Hyper-V 備份失敗，並顯示 （匯出） 內部伺服器錯誤

Summary: Hyper-V 備份失敗，並顯示 vProtect 錯誤「ExternalAPIException：內部伺服器錯誤」

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Symptoms

備份失敗，並顯示「ExternalAPIException：內部伺服器錯誤「

檢查節點記錄，以瞭解如下所示的錯誤： 
[2024-04-10 20:24:18.531] ERROR [pool-5-thread-6] HypervRequestSender.send:43
[e4b640a5-7784-4195-a909-6294d3763d0f] ApiException, code 500

[2024-04-10 20:24:18.531] ERROR [pool-5-thread-6] ExportTask.run:135
[e4b640a5-7784-4195-a909-6294d3763d0f] Backup task failed:

com.dell.vprotect.engine.exception.ExternalAPIException: Internal Server Error
        at com.dell.vprotect.engine.hypervisor.hyperv.HypervRequestSender.send(HypervRequestSender.java:48) ~[engine.jar:?]
        at com.dell.vprotect.engine.hypervisor.hyperv.HypervApi.createAndUploadRctMap(HypervApi.java:283) ~[engine.jar:?]
        at com.dell.vprotect.engine.hypervisor.hyperv.vmexport.DdBoostExport.createAndUploadRctMapToDdBoostAndUpdateBackupFiles(DdBoost
Export.java:221) ~[engine.jar:?]
        at com.dell.vprotect.engine.hypervisor.hyperv.vmexport.DdBoostExport.lambda$exportIncremental$6(DdBoostExport.java:163) ~[engin
e.jar:?]

檢查 Hyper-V vProtect 代理程式記錄，錯誤會類似： 
2024/04/10 20:27:06.761 [e4b640a5-7784-4195-a909-6294d3763d0f] Microsoft.Management.Infrastructure.CimException: The WS-Management service cannot process the request. The computed response packet size (585610) exceeds the maximum envelope size that is allowed (512000).
   at Microsoft.Management.Infrastructure.Internal.Operations.CimSyncEnumeratorBase`1.MoveNext()
   at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source)
   at Microsoft.Management.Infrastructure.CimSession.InvokeMethod(String namespaceName, CimInstance instance, String methodName, CimMethodParametersCollection methodParameters, CimOperationOptions options)

Cause

WSMan：\localhost\MaxEnvelopeSizeKb 的預設大小為 500 （KB），即為 512,000 位元組。

如果代理程式嘗試透過 DDboost 傳輸比這更多的資料，則會擲出例外狀況。

Resolution

存取託管虛擬機器的 Hypervisor，該虛擬機器具有失敗的備份。
檢查 WSMan：\localhost\MaxEnvelopeSizeKb 的大小 （以系統管理員身分使用 PowerShell） 
PS C:\Users\Administrator> Get-Item -Path WSMan:\localhost\MaxEnvelopeSizeKb


   WSManConfig: Microsoft.WSMan.Management\WSMan::localhost

Type            Name                           SourceOfValue   Value
----            ----                           -------------   -----
System.String   MaxEnvelopeSizekb                              500


PS C:\Users\Administrator>

將值從預設的 500 增加到大於要傳送的位元組數的值 
PS C:\Users\Administrator> Set-Item -Path WSMan:\localhost\MaxEnvelopeSizeKb 600
PS C:\Users\Administrator> Get-Item -Path WSMan:\localhost\MaxEnvelopeSizeKb


   WSManConfig: Microsoft.WSMan.Management\WSMan::localhost

Type            Name                           SourceOfValue   Value
----            ----                           -------------   -----
System.String   MaxEnvelopeSizekb                              600


PS C:\Users\Administrator>

重新執行備份

Produse afectate

vProtect
Proprietăți articol
Article Number: 000224451
Article Type: Solution
Ultima modificare: 06 mar. 2025
Version:  2
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