?? external drives/copy large folder issue ??

Hola;
I am trying to copy my large iTunes library from a 1T Seagate [desktop model]to a new 1T WD drive [portable model]. Both drives are Mac Os Extended (journaled) and verified.
First: I created a new small library on the WD and used "add to library" to bring my songs over from the Seagate. This started out OK, but hung about 3/4 of the way through, and I had to force quit, and restart. Second attempt, same method gave me the same result.
Second: Leaving iTunes out of the process, I dragged my music folder from Seagate to WD, and all went well for the first 3 hours and then it hung. More force quitting and restarting. Second attempt with this method gave the same result. First time I left it overnight and woke up to the failure, second time I kept an eye on it, but no better luck.
The WD was preformatted for Windows, so I used Disk Utility to format it. I used Disk Utility to erase the WD each time before I tried to move so space should not be an issue.
Any ideas on what might be wrong here and how I can get this proces completed are very much appreciated.
Macbook Pro, Mac OS X 10.6.8, Snow Leopard.
Thanks.

Yes, your target drive is experiencing bad sectors and/or your files your attempting to copy are corrupted in some fashion.
Do this to the external drive, either whole (no data on it or it's backed up to another drive) or Free Space, (just does the empty space)
Reducing bad sectors effect on hard drives
Once that is done to the external drive, attempt your copy again, if it goes through your problems are resolved.
If not, your going to have to copy in portions via the iTunes individual music folders (inside the iTunes folder) until you recieve the "hang" again to identify which files or folder of files is responsible.
The data that is attempting to be copied by the hardware is likely on a failed sector on the original drive, you'll have to revert this file or folder of files from a backup or likely delete it if it fails to copy over.
Hard drives are fragile, so don't move them while they are in operation as the heads strike the platters and can cause issues like this, however sectors can fail later with data on them all on their own.

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Message was edited by: Chad Kerychuk

?? external drives/copy large folder issue ??

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