I think you proved that running Gcode programs off a remote network 
drive can be a problem.

Back when EMC was first written I doubt that they ever considered 
loading the entire file into ram as that was a precious resource.

FWIW, Mach3 has similar issues and they recommend that the file be 
copied to the local drive
before running it.  With Mach3, running a Gcode program off a USB Flash 
drive can also be a problem.

Dave

On 4/5/2013 11:14 AM, Todd Zuercher wrote:
> We had been running like this for a couple of years with no problem.
>
> I guess one of my questions is.  Does LinuxCNC (running Axis) read the file 
> from its source while the program is running, or does it load it all into 
> memory first?  I believed that it was the latter, and therefore (I thought) a 
> networking problem shouldn't affect it while the code is being ran.
>
> This time the file had been running repedidly all day without reloading, then 
> all of a sudden it just stopped about 3/4th done. Pressing the e-stop and 
> power buttons did nothing Axis seemed compleatly frozen (although I was able 
> to close it or its window at least.)
>
> ----- Original Message -----
>
> If you have network issues, you should not run them via a network
> drive.   Copy them to a local directory and then run the files.
>
> Any network problems will prevent ready access to the file and impact
> the program.
>
> Dave
>
>
>
> On 4/5/2013 9:38 AM, Todd Zuercher wrote:
>    
>> We have a couple of routers running LinuxCNC and the G-code files are stored 
>> on a network drive.  We normally load them and run directly from the 
>> network.  Yesterday we were haveing some problems with the network going up 
>> and down for short periods of time (I need to ask the IT guy  what the 
>> problem was, if he even knows) .  For some reason this caused linuxcnc to 
>> freeze up mid run but set no alarm messages.  Any ideas?
>>
>>
>>      
>
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