NetWorker: Windows File System Backup is Missing Files
Zusammenfassung: Windows file system on Azure skips files although there is no NetWorker directive to do so.
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Symptome
Windows file system on Azure skips files although there is no NetWorker directive to do so.
Debug save output shows
Debug save output shows
87713:save: Found prototype specification for '\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1288\': skip : hiberfil.sys 87713:save: Found prototype specification for '\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1288\Areas Compartidas\':+ skip : *.*
Ursache
The backup file system is on Azure storage volume. The system uses VSS Writer "Sync Share Service Writer." It skips files by design.
To verify that this is the cause,
- Open a command prompt as Administrator and run:
C:\> DISKSHADOW /l writers.txt DISKSHADOW> LIST WRITERS DETAILED DISKSHADOW> exit
- Look at the output file for writers.txt. If you see the below message, then that confirms the issue.
* WRITER "Sync Share Service Writer"
.////
and that writer contains Components with affected drive
- Components:
- File List: Path = J:\DataFiles, Filespec = *.*
- Paths affected by this component:
- J:\DataFiles
- Volumes affected by this component:
- \\?\Volume{c34a534a-63a2-4aee-b47a-e2092dc7a901}\ [J:\]
Lösung
Workaround:
Turn off VSS for backing up Azure storage volumes with the command:
Turn off VSS for backing up Azure storage volumes with the command:
VSS:*off
Artikeleigenschaften
Artikelnummer: 000210906
Artikeltyp: Solution
Zuletzt geändert: 25 Apr. 2023
Version: 2
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