Re: file size limit exceeded

[Blake Leverington <leverinb@uregina.ca>]

Hi Eugene,

It may just be an ext3 limit on the file size but my files are limited 
to 2GB, even the hddm files. My work around so far is to just make 
multiple runs like you suggested where I have a script that changes the 
random number seed, but I know ROOT has a feature which starts a new 
file when you exceed 2GB. I was curious if this was/could be implemented 
here.

-Blake

Eugene Chudakov wrote:
> Blake,
>
> a comment concerning bggen:
>
> - it can optionally write out an hddm file (I suppose the size limit 
> is >=2 GB)
>   and an NTUPLE file (the practical limit is about 200MB).
>
> - one can split the simulation into many runs changing the line
>   RNDSEQ  N
>   in the input file, where N can be 0,1,2 etc. This number defines
>   the random number sequence.
>
> Eugene
>
>
> On Tue, 2 Jun 2009, Blake Leverington wrote:
>
>> Hi David,
>>
>> How do I get around file size limits for HDGeant, bggen, etc? I can 
>> only guess at the number of events to put in a data set and split up 
>> the jobs, but I don't always know how large the file size is coming 
>> out. Is there a way of making it start a second output file?
>>
>> -Blake
>>
>