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My USB drive (1TB Seagate) locks up whenever I copy a large file (>300MB approx).

The computer slowly freezes with not even the mouse working. It seems like an I/O deadlock.

However, it works fine when I slow down the copy process by making the destination a USB-1 drive... but USB-1 is painfully slow, and incremental backups can take hours at USB-1 speed.

Maybe it is my USB-2 controler, but it is hard to find a low-profile PCI USB-card (for a mini-case) which works.

The motherboad is ATA-IDE only, so I can't plug in a 1TB SATA drive.

I've tried NSCopy (by nullSoft), but it crashes. Does anyone know of a method by which I can choose my copy speed?

Thanks.
(XP, P4 1.6 GHz, 768 MB RAM)

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2 Answers 2

up vote 1 down vote accepted

I changed to Teracopy long back and it is quite efficient.
But, I don't think I've seen speed-control on it.
You can still give it a try though.

Ok, there is TotalCopy,

Total Copy is an improved version of Windows' copy-function.
Here are some of the features:

  • Pause / Resuming : At any time you may pause the copy-process, and continue later.
  • Auto-pause on any error : If you run out of disk space, the network goes down or some other error occurs, copying is automatically paused, and you may resume when the error is sorted out.
  • Resuming on power failure : If the computer is turned off during the copy process
    (ex. power-loss or system-crash), Total Copy lets you resume when you restart.
  • Speed limit : Slows down the copy process, and frees resources to other tasks.
  • Faster than Windows : Copies slightly faster than Windows
    (approx. 10% locally, and 1% on network)
  • Small improvements : Shows copy-speed, a percent-bar and KBytes remaining.
  • Does not modify Windows' own copy-function : This program will not alter the existing windows-copy-function.

Looks like exactly what you want.
ps: I've never used it -- can't vouch for it like I do for TeraCopy.
it seems to be all the features of TeraCopy with speed control added in.

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Thanks nik. Both apps are good in their own right, as you said, Total Copy handles the speed control nicely. On the other hand, TeraCopy has more options and I like the optional list view of copied files. –  Peter.O Aug 31 '10 at 16:15
    
The links are dead –  Erik Dekker Sep 4 '13 at 20:56
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You might try setting the priority of the process to a lower priority. I'm not sure if this will slow down the write speed, but it may slow down the process resource suction :)

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