PowerProtect Data Manager: Windows VM 백업이 실패하고 "Panic occurred: 인터페이스 변환"

Summary: 백업 실패, 오류 ABV0006: VM Direct 엔진 localhost가 vCenter "Vcenter-XXX"에서 가상 머신 XXX를 백업할 수 없습니다. "패닉 발생: 인터페이스 변환: 유형. BaseVirtualDeviceBackingInfo

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Symptoms

로그에서 발견된 증상: BackupVMSession 로그에서 다음과 유사한 항목을 볼 수 있습니다.

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

이 오류는 Windows VM에 RDM 디스크가 있는 경우 인터페이스 변환 패닉으로 인해 발생합니다.

Resolution

 영향을 받는 버전: 이 문제는 PowerProtect Data Manager 버전 19.19-0.15에서 발생합니다. 

 고정 버전: PowerProtect Data Manager를 19.20으로 업그레이드합니다.

 해결 방법: 

1. SSH를 통해 관리자
로 PowerProtect Data Manager 어플라이언스에 연결합니다. 2. 루트로 승격합니다.
3. 

cd /opt/emc/vproxy/unit
 


4. 

vi vproxy.env
 


5. 파일의 끝에 항목을 추가합니다.

DISABLE_FETB=true
export DISABLE_FETB
 

변경 사항을 저장합니다.

6. 다음 명령을 사용하여 vproxyd 서비스를 재시작합니다.

systemctl restart vproxyd
 


 

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