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Author Topic: File corruption when applications save/copy big files directly into NAS  (Read 4241 times)

he1

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File corruption when applications save/copy big files directly into NAS
« on: April 18, 2012, 03:47:02 PM »
Hi everyone,

If I use softwares such as GoodSync, and SuperCopier to put big files into my NAS, the files are either corrupted or lenght size 0. Using torrent software to download big files have the same effect.

But if i use the windows copy and paste, the files are OK.

Anyone has any idea on whats the problem and how to fix this?

Thanks in advance

H
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venfan

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Re: File corruption when applications save/copy big files directly into NAS
« Reply #1 on: April 19, 2012, 11:09:12 AM »
Quote from: he1 on April 18, 2012, 03:47:02 PM
Hi everyone,

If I use softwares such as GoodSync, and SuperCopier to put big files into my NAS, the files are either corrupted or lenght size 0. Using torrent software to download big files have the same effect.


I have had the same problem for a while. My iTunes library is in the NAS. I copy a movie file (300-700MB) with windows explorer to the iTunes video library folder in the NAS, then add the movie to the iTunes library. All Ok so far. Then I try to add an illustration to the movie, using the proper tab in the iTunes properties file window, and after I click Ok, the file gets corrupted. Almost always the file size remains the same (or small change) , some other times it goes to 0 bytes (I've seen this only once).

It is important to notice that when I started using the NAS, back in August 2011, this problem did not exist. It started to happen some months later, but I am not sure exactly when it started, or the origin ( I mean, Windows 7, iTunes or NAS Firmware).

Also is important to notice your mention about the file size. Music files, which are smaller, are not corrupted when illustratrion is added or modified.
 
I had already posted this problem before, without result.

Hope somebody may help this time.


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he1

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Re: File corruption when applications save/copy big files directly into NAS
« Reply #2 on: April 19, 2012, 04:30:01 PM »
Thanks for replying venfan.

I will do some tests from other systems to see what is the common factors. But so far, I'm inclined to believe that the fault lies in the DNS-325 SMB server. I just copy a 5 Gig file using FTP without any problems.

I noticed that my transfer rate is very low at 5 MB/s

Old school copy softwares like FastCopy http://ipmsg.org/tools/fastcopy.html.en works very well. But modern tools just cant handle large files.

If i find anything interesting il post it here.

Regards
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