使用使用者建立檢查點的 Hyper-VM 的 RCT 備份失敗，並顯示「Changeblocks 未正確對齊」

Summary: 知識庫文章，討論 VM 上 RCT 備份失敗與自訂建立 （非 Avamar） 檢查點。

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Symptoms

使用使用者建立 （非 Avamar 建立/復原） 檢查點的 Hyper-VM 備份失敗，並出現類似以下錯誤：
 

avhypervvss Error : The plugin on remote client DELL1 (192.168.1.3) terminated with code 10020: completed with errors, client log should be examined
avhypervvss Error : 1 remote client(s) failed to complete operation on the remote file targets
avhypervvss Error : Failed to backup Virtual Machine 'EMCPC'


 

從 DELL1 節點：

avhypervvss Error : Changeblocks are not properly aligned to parent disk(\\?\C:\ClusterStorage\Volume6\EMCPC\EMCPC-C.VHDX). Full backup is recommended as Incremental cannot be promoted to Full at this stage of program.
avhypervvss Error : Changeblocks are not properly aligned to parent disk(\\?\C:\ClusterStorage\Volume6\EMCPC\EMCPC-E.VHDX). Full backup is recommended as Incremental cannot be promoted to Full at this stage of program.
avhypervvss Error : Backup extent creation failed for chain \\?\C:\ClusterStorage\Volume6\EMCPC\EMCPC-C.VHDX
avhypervvss Error : Backup extent creation failed for chain \\?\C:\ClusterStorage\Volume6\EMCPC\EMCPC-E.VHDX
...
avhypervvss Error : Failed to parse disk chain C:\ClusterStorage\Volume6\EMCPC\EMCPC-C.VHDX
avhypervvss Error : Backup stream generator encountered an internal error. Failed to stream file '00000226\C:\ClusterStorage\Volume6\EMCPC\EMCPC-C.VHDXguid'.
avhypervvss Error : Processing workorder Daily - 8_00pm to 05_59am-DR VM Group 01-1662598800011#301 (pid:3032-Hyper-V VSS) in stream mode failed.



從 winclustersvc.log 檔案 （位於 EMC 備份代理程式服務的使用中擁有者 C：\Program Files\avs\var 資料夾）：

 

winclustersvc WARN: WMI API returned error: 'Failed to get the disk information.

The Hyper-V Virtual Machine Management service encountered an unexpected error: There is no change tracking data available associated with the specified change tracking identifier. (0xC03A0030).'
winclustersvc INFO: System.Management.ManagementException: Failed to get the disk information.

The Hyper-V Virtual Machine Management service encountered an unexpected error: There is no change tracking data available associated with the specified change tracking identifier. (0xC03A0030).
at EMC.BRS.HypervProxy.Common.WmiUtilities.ValidateOutput(ManagementScope scope, ManagementBaseObject outputParameters, Boolean throwIfFailed, Boolean printErrors)
at EMC.BRS.WMI.Virtualization.HypervDataProvider.GetRCTExtentsforVm(String vhdPath, String RCTId, UInt64 vhdSize, HypervVm& vm, Boolean bPromoteToFullOnExtentsError)

 

Cause

舊版修正程式中可能出現的程式碼錯誤，例如 v19.4 的 #335554。

Resolution

升級至下列 Avamar 附掛程式版本的最新修補程式：

適用于 19.19.100-124 版 Avamar Hyper-V VSS 外掛程式
Hotfix #337450 版本 337450的 Hotfix #337285 Avamar Hyper-V VSS 附掛程式
#337654 19.8.100-83 版 Avamar Hyper-V VSS 外掛程式

的 7.100-82 遵循 Dell 知識庫文章 211510， Avamar：Hyper-V VSS 外掛程式 - 組態和安裝版本 19.4 及更高版本的最新累積修正程式，以執行安裝或升級最新的 Hyper-V 附掛程式累積修正

程式因應措施，包括合併或刪除 Hyper-V Manager 或 PowerShell：

HTTPs://learn.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/checkpoints

Affected Products

Avamar Plug-in for Hyper-V VSS, Avamar Server
Article Properties
Article Number: 000206345
Article Type: Solution
Last Modified: 30 May 2023
Version:  2
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