PowerProtect Data Manager：Windows VM 備份失敗，並顯示錯誤「發生錯誤：介面轉換”

Summary: 備份失敗，並顯示錯誤 ABV0006：VM Direct 引擎 localhost 無法在 vCenter 上備份虛擬機器 XXX「Vcenter-XXX」 發生錯誤：介面轉換：類型。BaseVirtualDeviceBackingInfo

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Symptoms

在記錄中找到的症狀：在 BackupVMSession 記錄中，我們可以看到類似以下項目：

PPDM_LogBundle_XXX/opt/emc/vmdirect/runtime/logs/recycle/vpod/20250411_1

2025-04-11T01:36:04.608Z DEBUG:  [ac8a0bb7379cf9b2;9c56888294b30cce] Retire LWD Snapshot: Saved the updated SDM Metadata Map to the DD.
2025-04-11T01:36:04.609Z DEBUG:  [ac8a0bb7379cf9b2;9c56888294b30cce] GetFETB: Getting FETB...
2025-04-11T01:36:04.619Z INFO:   [ac8a0bb7379cf9b2;9c56888294b30cce] Connect vCenter: Found virtual machine 'VENUS' with MORef 'vm-12118'.
2025-04-11T01:36:04.619Z DEBUG:  [ac8a0bb7379cf9b2;9c56888294b30cce] GetFETB: Getting FETB completed.
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] Panic occurred: interface conversion: types.BaseVirtualDeviceBackingInfo is *types.VirtualDiskRawDiskMappingVer1BackingInfo, not *types.VirtualDiskFlatVer2BackingInfo
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] goroutine 44367 [running]:
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/dontpanic.AssessPanic({0x2157c80?, 0xc0009ee5a0?})
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/dontpanic/dontpanic.go:78 +0x99
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/dontpanic.DontPanic({0x2964588, 0xc001219f00}, 0xc007389a18)
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/dontpanic/dontpanic.go:39 +0x45
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] panic({0x2157c80?, 0xc0009ee5a0?})
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /emc/build/.mvnGoLang/go1.22.12.linux-amd64/src/runtime/panic.go:770 +0x132
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/vim.(*VimVirtualMachine).GetVmThickHardDiskMap(...)
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/vim/VimVirtualMachine.go:3830
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/sessions/backup.(*TaskGetFETB).Do(0xc005401088, 0xc000bdc1b0, {0x292ce20, 0xc000480300}, {0x248d540?, 0x15?}, 0x0?, {0x2964588, 0xc00090c780})

2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/sessions/backup/backup_sdm_tasks.go:2623 +0xad4
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/tasks.(*TaskEngine).doTask(0xc007389a00, 0x10, {0x2964588, 0xc001219f00})
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/tasks/tasks.go:242 +0x466
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/tasks.(*TaskEngine).Run(0xc007389a00, {0x2964588, 0xc001219f00}, {0x2953d20?, 0xc004ba2d20?})
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/tasks/tasks.go:187 +0x233
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] dellemc.com/vproxy/common/program.Concurrent.func1()
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/program/program.go:266 +0x2ba
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce] created by dellemc.com/vproxy/common/program.Concurrent in goroutine 44365
2025-04-11T01:36:04.619Z PANIC:  [ac8a0bb7379cf9b2;9c56888294b30cce]    /space/jenkins/workspace/xy_vproxy_vproxy_release_19.19.0/vproxy-core/golang/src/common/program/program.go:271 +0x12b

Cause

當 Windows VM 有 RDM 磁碟時，此錯誤是因為介面轉換錯誤所導致。

Resolution

 受影響的版本：在 PowerProtect Data Manager 19.19-0.15 版上會出現此問題 

 修正版本：將您的 PowerProtect Data Manager 升級至 19.20

 因應措施： 

1.以系統管理員
身分 SSH 至 PowerProtect Data Manager 應用裝置 2.提升到根部。
3. 

cd /opt/emc/vproxy/unit
 


4. 

vi vproxy.env
 


5.在檔末尾，添加條目。

DISABLE_FETB=true
export DISABLE_FETB
 

儲存變更。

6.使用命令重新啟動 vproxyd 服務。

systemctl restart vproxyd
 


 

Article Properties
Article Number: 000345300
Article Type: Solution
Last Modified: 17 Jul 2025
Version:  1
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