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[netCDF #XVY-916374]: problem with sequential NF_OPEN in netcdf-4
- Subject: [netCDF #XVY-916374]: problem with sequential NF_OPEN in netcdf-4
- Date: Wed, 16 Apr 2008 07:37:57 -0600
> Hi,
>
> I'm currently testing the newest netcdf4 snapshot (2008031713) and think
> that I found a minor bug:
>
> The problem arises when using a sequential NF_OPEN in a parallel
> application (code is attached below). If only one process calls NF_OPEN
> then the program simply waits and it seems that it hits a mpi barrier.
> If all process call NF_OPEN (which is not desired here) then the program
> continues without complaining. However, if the file does not exist it
> complains with "Error initializing for parallel access". In contrast,
> NF_CREATE just works fine. Can it be that NF_OPEN and NF_OPEN_PAR got
> slightly mixed up?
>
> Cheers, Ingo
>
>
Howdy Ingo!
I have just fixed this in the netCDF code base. Can you build the daily
snapshot and see if it works for you:
http://www.unidata.ucar.edu/software/netcdf/builds/snapshot/netcdf-4/
Thanks!
Ed
Ticket Details
===================
Ticket ID: XVY-916374
Department: Support netCDF
Priority: Normal
Status: Closed
