Same here. I seldom use xcopy any more, but just a week or so ago I 
tried to xcopy one drive to another. Everything "just died" (froze) 
after a few minutes, then after a few minutes more I got the "unable to 
access source" message and a report that 3000+ files had been copied. I 
was still able to do a DIR on the source drive, but when I tried on the 
destination drive the whole machine locked solid and I had to reboot.

the 4OS2 enhanced COPY command is much more reliable, in my experience.

-=-
Alan


On 06/06/06 10:25 am Robert M Riddle wrote:

> I have lots of trouble with xcopy copying between HD's

>>> I have a Plextor 740 DVD/CD writer and RSJ 6.0.  I can burn a CD
>>> without a problem using RSJ.  I can play back CDs with RSJ.  I
>>> cannot write a data DVD.  I've doubled the cache and slowed the
>>> speed to 1X, and it still fails.  It fails in a rather
>>> spectacular fashion: the DVD blank attaches, I start the process
>>> with the xcopy command, the computer reports that it is reading
>>> the files, the light on the front of the burner flashes, and
>>> then after a while everything comes to a screeching halt -- the
>>> system has completely frozen up.  This is a hard freeze which
>>> requires a power switch cycle and a new boot.  As a result,
>>> there are no error logs to be had (that I can find, at least).
>>>
>>> I've reported this problem before and RSJ hasn't been able to
>>> help.  Someone suggested that the power supply might be
>>> inadequate.  This made sense, so I upgraded the power supply
>>> from 300 W to 375 Watts.  It made no difference.  I then decided
>>> that the drive itself must be defective, so I went out and
>>> bought another DVD burner.  It fails in exactly the same fashion
>>> as the Plextor.
>>>
>>> Now what?  Could it be that my computer is too slow?  It's an
>>> Epox 8 board running an Athlon 800 MHz processor with eCS 1.13. 
>>>
>>>
>>> What is going on when the system freezes?  What is the xcopy
>>> function trying to do that it all of a sudden can't do?  I was
>>> counting on the burner to provide me with a backup  function,
>>> but...
>>>
>>> All guesses welcome (and actual knowledge doubly so).

>> In explicable hangs like this are often caused by conflicts - be it IO 
>> address or (more often) IRQ.
>>
>> Is it possible that you have multiple devices on the same IRQ ? Although 
>> modern hardware and eCS have somr plug and play capabilities, the 
>> technology still sometimes reverts to "plug and pray" !
>>
>> The other possibility that comes to mind is a memory problem. I take it 
>> you are NOT over clocking the system ?
>>
>>
>> It'd be good to run a memory test utility for 12 hours + to see if it 
>> finds any memory chip errors.
>>
>> Other than that, I don't think your machine is too slow.
>>
>> Something else you could try, is using DVDDAO/2 rather than RSJ to write 
>> the DVD ISO images - if it completes OK, the problem is with the RSJ 
>> software.


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