NetWorker:NMM Hyper-V 備份失敗「無法將 <VMName> 的 VM 檢查點轉換為參考點」

Summary: NMM Hyper-V 備份失敗,並顯示錯誤「無法轉換以下項目的 VM 檢查點」 到參考點。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

適用於 Microsoft 的 Networker 模組 (NMM) 特定虛擬機器的 Hyper-v 備份失敗,其他虛擬機器備份運作正常。

nsrnmmsv 記錄顯示:

Date/Time PERF [1728317672]: Post-backup is completed
Date/Time Error: 
Date/Time  Failed to convert VM checkpoint of <VMNAME> to reference point.
Date/Time Error: 
Date/Time Deleting checkpoint of VM  <VMNAME>  

啟用調試級別時, Hyper-v shellmgmt 記錄顯示:

Datetime:Getting disk identifier for disk ~\Don't delete it\Virtual Hard Disks\System_GUID.avhdx

Datetime:In RunPowerShellScript() function, strScript Get-VHD -Path '~\Don't delete it\Virtual Hard Disks\<diskname>.vhdx' |select -Property DiskIdentifier

Datetime:Failed to get VMHardDiskDrive for the VM <VMNAME> The string is missing the terminator: '.

Cause

在備份期間,請使用下列 PowerShell 命令來取得虛擬機器 VHDX 識別符 

Get-VHD -Path  <VHDX_PaTH> | select -Property DiskIdentifier

如果虛擬機器名稱或路徑名稱包含不受支援的字元,備份將會失敗。

在這種情況下,路徑有 不要刪除它

Resolution

變更虛擬機的名稱和/或磁碟路徑,避免使用單引號或特殊字元 

注意

請參閱 Dell NetWorker 模組以獲得 Hyper-V 的 Microsoft指南

支援的特殊字元表列出了NMM支援的特殊字元。
特殊字元的使用範例:

● Virtual machine name: VM@emc%1%
● VHD paths: C:\@folder\&^%
● VHD names: C:\folder\VM@emc(1).vhd
● Files and folders inside virtual machine: samplefile!@#.txt
● Folder paths: C:\@folder\&^\sample.txt
● Mount paths: C:\mountSplcharvms\!@#$%

https://www.dell.com/support/manuals/en-us/networker-module-for-microsoft/nmm_hyper_v_user_guide_19.10/supported-and-unsupported-features-for-hyper-v-backups?guid=guid-dc0011a3-bf46-4a96-974b-c79fe0109c90⟨=en-us

 

Affected Products

NetWorker Module for Microsoft
Article Properties
Article Number: 000247114
Article Type: Solution
Last Modified: 13 Feb 2025
Version:  2
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