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NetWorker vProxy 備份失敗，並顯示「無法在重試後建立非靜止快照：偵測到不正確快照組態」

Summary: NetWorker VMware Protection (NVP) 整合是透過 vProxy 裝置進行設定。某些虛擬機器的虛擬機器 （VM） 備份失敗，並顯示不正確快照組態錯誤訊息。 VM 的 vSphere Web 用戶端快照檢視不會顯示任何可用的 VM 快照。

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Symptoms

備份會話記錄顯示： 
...
YYYY-MM-DD HH:MM:SS INFO:   [167] Creating snapshot of virtual machine ...
YYYY-MM-DD HH:MM:SS ERROR:  [167] Unable to create non-quiesced snapshot after a retry attempt: Detected an invalid snapshot configuration.
YYYY-MM-DD HH:MM:SS ERROR:  [167] Unable to create snapshot.
YYYY-MM-DD HH:MM:SS INFO:   [167] Enabling storage migration of virtual machine ...
YYYY-MM-DD HH:MM:SS INFO:   [167] Storage migration successfully enabled: "vm-4030" @ "my_vm_name.my_domain.com" 
YYYY-MM-DD HH:MM:SS WARN:   [167] Virtual machine left locked by backup session because cleanup is required.  Snapshot was not removed.
...

VMNAME_vmware##.log 顯示： 
...
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: SNAPSHOT: SnapshotBranchDisk: Failed to branch disk: '/vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME.vmdk' -> '/vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME-000004.vmdk' : The file already exists (39)
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: DiskLib_IsVMFSSparseSupported: vmfssparse is not supported on /vmfs/volumes/DATASTORE_UUID/VM_NAME: f532.
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: DISKLIB-LIB_CREATE   : DiskLibCreateCreateParam: Selecting the default child type as SeSparse for /vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME-000005.vmdk.
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: DISKLIB-LIB_CREATE   : DiskLibCreateCreateParam: seSparse grain size is set to 8 for '/vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME-000005.vmdk'
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: SNAPSHOT: SnapshotBranchDisk failed for '/vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME.vmdk' : A required file was not found (7).
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: DISKLIB-VMFS  : "/vmfs/volumes/DATASTORE_UUID/VM_NAME/VM_NAME-flat.vmdk" : closed.
YYYY-MM-DD HH:MM:SS| vcpu-0| I125: SNAPSHOT: SnapshotBranch failed: A required file was not found (7).
...

Cause

當虛擬機器資料存放區目錄中有孤立的暫時快照描述項檔案時，可能會發生此問題。這些快照描述項檔案會顯示為 ####.-000001.vmdk、###.-000001-sesparse.vmdk 和 ####.-000001-ctk.vmdk。

Resolution

VMware 知識庫 80246 會記錄移除孤立暫時快照描述項檔案的步驟。

HTTPs://kb.vmware.com/s/article/80246 此超連結會帶您前往 Dell Technologies 以外的網站。  
  1. 流覽受影響的 VM 資料存放區，以識別暫存描述項檔案。名稱可能會顯示為： 
    • ####-000001.vmdk
    • ####-000001-sesparse.vmdk
    • ####-000001-ctk.vmdk 
  2. 識別有足夠空間可移動暫存描述器檔案的資料夾，並建立新的資料夾
    • vmfs/volume/VM_####_DATASTORE5/FOLDERNAME/
  3. 將暫存描述項檔案移至新建立的資料夾
  4. 取得已成功建立之 VM 和 validate 快照的快照。
  5. 使用「刪除所有快照」選項刪除所有快照。
  6. 驗證已刪除的快照。
  7. 驗證 VM 資料存放區資料夾中沒有描述項檔案。
  8. 讓排定的 vProxy 備份執行。

Additional Information

NVP vProxy：在 NetWorker 備份期間疑難排解 VMware 快照問題。

Affected Products

NetWorker
Article Properties
Article Number: 000196313
Article Type: Solution
Last Modified: 01 Nov 2023
Version:  2
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