[pbs-devel] PBS File Retore for NTFS with deduplication enabled leads to corrupted files

[Roland Sturm]

Hello

Think he would like to restore files from a windows Server (like a fileserver) with "Windows dedup" enabled on a volume.
Win Dedup works with chunk-files in "System Volume Information" Folder and metadatafiles to the "chunk-data".

We also use Win Dedup on File Servers


More Info see: Data Deduplication terminology 
https://docs.microsoft.com/en-us/windows-server/storage/data-deduplication/understand

The chunk store is an organized series of container files in the System Volume Information folder that Data Deduplication uses to uniquely store chunks.


kr

Mit freundlichen Grüssen

Roland Sturm
Senior Systems Engineer

cibex gmbh
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-----Ursprüngliche Nachricht-----
Von: pbs-devel <pbs-devel-bounces at lists.proxmox.com> Im Auftrag von Dietmar Maurer
Gesendet: Freitag, 22. April 2022 12:04
An: Proxmox Backup Server development discussion <pbs-devel at lists.proxmox.com>; Daniel Koch <koch at triple6.org>
Betreff: Re: [pbs-devel] PBS File Retore for NTFS with deduplication enabled leads to corrupted files

> Using PBS for NTFS with the de-duplication feature enabled 
> (https://docs.microsoft.com/en-us/windows-server/storage/data-deduplication/overview) results in corrupted file restores.

Not answering your questions, but using deduplication on the file system does not make sense, because PBS already do the deduplication...


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