[FLASH-USERS] error with H5P_mpio_actual_io_mode

[George Herrera]

Thanks Adam,

After digging further into the problem, I found that the dynamic link to
the HDF5 libraries weren't called in the manner I had initially thought. I
had both the serial and parallel HDF5 lib directories in the
LD_LIBRARY_PATH. I erased the serial HDF5 lib environment variable and it
worked.

--
George Herrera, PE
PhD Student | MAE-Engineering Physics
University of California, San Diego


On Mon, May 6, 2024 at 8:29 AM Reyes, Adam <adam.reyes at rochester.edu> wrote:

> Hi George,
>
> My guess is your build of hdf5 did not enable parallel io. See here
> <https://github.com/HDFGroup/hdf5/blob/develop/release_docs/INSTALL_parallel> for
> detailed instructions if you’re building from source, but it should be as
> simple as configuring something like
>
> CC=/usr/local/mpi/bin/mpicc ./configure --enable-parallel
> --prefix=<install-directory>
>
>
> Alternatively you can setup with the serial hdf5 io implementation (not
> recommended) with “+hdf5” rather than “+hdf5TypeIO” or “+parallelIO”.
> *********************************************
> Adam Reyes
>
> [image: FLASH.jpg]
> Code Group Leader, Flash Center for Computational Science
> Research Scientist, Dept. of Physics and Astronomy
> University of Rochester
> River Campus: Bausch and Lomb Hall, 369
> 500 Wilson Blvd. PO Box 270171, Rochester, NY 14627
> Email adam.reyes at rochester.edu
> Web https://flash.rochester.edu
>  (he / him / his)
> [image: FLASH-pride-sml.png]
>
> *********************************************
>
>
>
> On May 3, 2024, at 11:47 PM, George Herrera <g1herrera at ucsd.edu> wrote:
>
> Hi all,
>
> I am fairly new to FLASH. I am trying to run the laserslab example using
> the sphere3D.par file on my local machine.
>
> Compiling the object folder gives no problems, but when I go to run the
> simulation, I get the following error.
>
> "./flash4: symbol lookup error: ./flash4: undefined symbol:
> H5Pget_mpio_actual_io_mode"
>
> Any feedback would be appreciated. Thank you.
>
> --
> George Herrera, PE
> PhD Student | MAE-Engineering Physics
> University of California, San Diego
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