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Forum Discussion
Some music files corrupt after copying to NAS
Hi,
I had my music library on my PC (windows XP, Doubletwist music player) and use a PS3. I'm also thinking of Sonos (or the like) to stream music.
I bought a Duo V2, and for video it's been fine. I have a Virgin Media superhub and my PC and NAS are both connected via cables, PS3 via homeplug.
Eventually, I got around to copying my library onto it - 3500 tracks or so, so pretty average I would expect. The problem is, is that a number of the tracks (about 1 in 4) have glitches and skip. I've played the same track a million times on my PC no problem. I played the copied track with a different player and get the same problem. I'm playing the files from Doubletwist and WMP on my PC.
Has anyone else experienced the same? Either the disk (brand new Seagate bought with the unit) is having issues (absolutely fine with everything else as far as I can tell), or the actual copy process is having a problem.
I had my music library on my PC (windows XP, Doubletwist music player) and use a PS3. I'm also thinking of Sonos (or the like) to stream music.
I bought a Duo V2, and for video it's been fine. I have a Virgin Media superhub and my PC and NAS are both connected via cables, PS3 via homeplug.
Eventually, I got around to copying my library onto it - 3500 tracks or so, so pretty average I would expect. The problem is, is that a number of the tracks (about 1 in 4) have glitches and skip. I've played the same track a million times on my PC no problem. I played the copied track with a different player and get the same problem. I'm playing the files from Doubletwist and WMP on my PC.
Has anyone else experienced the same? Either the disk (brand new Seagate bought with the unit) is having issues (absolutely fine with everything else as far as I can tell), or the actual copy process is having a problem.
8 Replies
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- What kind of Method did you use for the transfer? If the transfer Method doesn't support checking the file transfered after its copied, then you might run into issues like this.
Have you tried copied some of the files With this issue again? - I've tried a couple of times and got the same results. I just used the windows copy function - what should I use?
- Teracopy is a free utility that can verify the files after transfer.
There is also a trick that let's you use it to verify the files you've already copied - there's a writeup here: http://musingrob.blogspot.com/2011/07/v ... acopy.html - Just did a comp function and there are differences on my PC version and the NAS version of a file that skipping. Recopied (only 20 mps) and rerun and the files are now identical.
Must be something to do with copying large amounts of data at once? - Perhaps some of the file transfers timed out. Were you copying over WiFi?
Also, if you use iTunes get-info or other tagging after the copy, then of course the two copies will no longer be identical. StephenB wrote: Teracopy is a free utility that can verify the files after transfer.
There is also a trick that let's you use it to verify the files you've already copied - there's a writeup here: http://musingrob.blogspot.com/2011/07/visual-copy-verification-using-teracopy.html
Many thanks for that - I gave it a quick try and it looked good. I'll use it to copy over larger amounts of data later on.- I used Teracopy and it's really good to show CRC mismatches etc. I was in some cases able to recopy and the CRC matched, however other times lots of CRC mismatches came up.
One thing I forgot to mention, was I used iTunes and bought an album - the iTunes library was on the NAS- it immediately had glitches. It was for the wife so she wasn't happy. I had to change my iTunes library to my PC and re-download from the Apple store.
Is this normal for a NAS? The whole point of me buying the ReadyNAS was to have a central point for music and video, however if I can't be sure if the data I put on is consistent what's the point?
Is this a problem with the disk?, or some setting that I'm missing? I don't know how to test the drive as chkdsk won't work on network drives (as I found out).
Sorry I'm not technical (which is why I thought I was buying a simple device that just 'worked') Looks like I was wrong.
UPDATE: A firmware upgrade hopefully has sorted it. Phoned Netgear support who (after saying my 90 days were up and I had to pay - a few sharp words and I had a complimentary support session) basically helped me upgrade the firmware. Ran a couple of tests that worked, but didn't before. I'm hoping this fixed it. - Hi GlynO,
We have fixed the CRC issue on 5.3.9-T6, but it doesn't be released.
you may install add-on firstly,
https://www.dropbox.com/s/sfrq6kpwre0ut ... le_arm.bin
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