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Failed to recover large files

Posted: Mon Nov 25, 2019 5:21 am
by jimmy
Hi,

My HP NAS lost its volume after hard reset.

I scanned using R-Studio and manage to find NTFS file folder structures. This prompt me to start a recovery process.

However I notice only small files were recovered correctly. Large files such as ZIP and video are corrupted.

Is there any possibility to resolve this by changing configuration?

Re: Failed to recover large files

Posted: Mon Nov 25, 2019 12:35 pm
by Alt
What is the NAS model?

Re: Failed to recover large files

Posted: Tue Nov 26, 2019 1:57 am
by Guest
HP EasyStore 1600 series.

On a good system, the FS is reported as Local (3:1) SAS.

On this bad system, it was reported as RAID(2:1). Not sure what is the difference.

Re: Failed to recover large files

Posted: Tue Nov 26, 2019 9:58 am
by Alt
Apparently the RAID parameters are incorrect. You may try to find one manually using this article: Finding RAID parameters.

Re: Failed to recover large files

Posted: Tue Nov 26, 2019 11:02 am
by Guest
Without correction to FS, the file structures could already be loaded.

My problem is that small files could be recovered while big files (> 1GB) are corrupted. What could be the issue?

Re: Failed to recover large files

Posted: Wed Nov 27, 2019 11:06 am
by Alt
Guest wrote:
Tue Nov 26, 2019 11:02 am
Without correction to FS, the file structures could already be loaded.

My problem is that small files could be recovered while big files (> 1GB) are corrupted. What could be the issue?
Incorrect RAID parameters.