[Carpet] changing the warning level for errors with HDF5 files

[Thomas Radke]

Erik Schnetter wrote:
> On Mar 20, 2007, at 09:32:01, Bruno Giacomazzo wrote:
> 
>> Hi,
>>      in one of my last run with Carpet (3rd stable version) and the
>> development version of Cactus, my job had problems writing the  
>> checkpoint
>> files and was returning the errors you can find at the end of this  
>> email.
>>
>>      The problem is that it gave only a warning level 1 error and then
>> went on. This happened several times and so at the end the job did not
>> save any checkpoint files (the checkpoints were saved on the  scratch 
>> area
>> of the nodes and it seems that some of them had some problem).
>>
>>      Is it possible to have a parameter that can change to Warning
>> level 0 the messages related with this kind of problems? Should  this be
>> the default value?
> 
> 
> A level 0 warning would have aborted the job, still leaving no  
> checkpoint files.  Sometimes the error is intermittent and goes away  
> later, so that continuing would actually have produced checkpoint  
> files.  At the moment you spent your own time and computing time  
> unnecessarily.
> 
> I think we can introduce a parameter.  Thomas, what do you think?

Sure, if users want this, no problem. It's easy enough to implement. I 
suggest a boolean parameter IO::abort_on_io_errors (any suggestions for 
a better name?) in thorn CactusBase/IOUtil which then can be used by any 
other I/O thorn.

-- 
Cheers, Thomas.