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Number   :  5381
Date     :  2003-08-20
Author   :  culpittsmith
Subject  :  Re: "Insufficient memory"
Size(KB) :  2


--- In xxcopy@yahoogroups.com, "garrydeane"  wrote:
> --- In xxcopy@yahoogroups.com, "Colin Culpitt-Smith"  
> wrote:
> > XXCOPY16 aborted with the
> > error message, "Insufficient memory (Job too large) Cannot
> > continue". . . . . . . .> 

Garry replied:-
> In real DOS, Xxcopy16 operates in what's left of a 1Mb memory
> space after memory is used for the OS and reserved for screen
> memory, BIOS and such. Unless you have enabled the use of
> extended memory and optimised the use of upper memory, DOS
> programs will usually only have about 550kb-600kb to work with.
> Since xxcopy16 occupies about 240kb, there's probably only about
> 350kb of memory left for xxcopy data.
> 
> Whilst you could improve this with some tweaking, it's probably
> not going to do that much good. The simplest thing at this stage
> is simply to continue running xxcopy16 repeatedly until it gets
> the job done. If you use:
> 
> xxcopy16 d:\ e:\ /bu
> 
> it will get a bit more done each time and eventually get there.
> If you want, you could create a small batch file as follows:
> 
> @echo off
> :loop
> xxcopy16 d:\ e:\ /bu
> if not errorlevel 100 goto loop
> 
> Just set it running, watch it for a few cycles then take a walk.
> 
> It's probably a moot point now (although maybe not) but you
> should have made your HD2 a bootable drive. If the contents of
> that drive are an exact copy of HD1, you could boot to HD2 and
> copy the contents back to HD1 within windows. This negates the
> memory issue because the full amount of physical and virtual
> memory is used. http://www.xxcopy.com/xxcopy10.htm explains
> how to make a second hard drive into a bootable drive.
> 
> Garry

Colin's reply to Garry:-

Very many thanks Garry for your expert help & advice. I like the idea 
of that batch file & will try that. You're right of course about 
making the HD2 bootable & restoring it all from HD2 back to HD1 via 
XXCOPY under Windows! But I wanted to be able to do it the hard way 
if possible - just to see if it could be done! I also wanted to try 
out a 3rd party utility for fixing the long filename problems of 
XXCOPY16 & Dos. If successful, I'll post back the results.

Colin



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