Hi Francesco, On Mar 25, 2011, at 5:21 PM, Francesco Petrogalli wrote:
> Hello, > I am trying to use the solution proposed in > http://www.hdfgroup.org/HDF5/faq/pll-conf.html#1proc (root task write > HDF file in serial) to store some data generated by an MPI > application. > > The problem is quite simple, and it's generated by this portion of code: > > if (rank == 0) { > > file_id = H5Fopen ("maps.h5" , H5F_ACC_RDWR, H5P_DEFAULT); > /* I/O stuff */ > status = H5Fclose (file_id); > > } > > The program compiles without errors, but at runtime I get e following > error (plus a bunch of other stuff): > > HDF5-DIAG: Error detected in HDF5 (1.8.4) thread 140538731431680: > #000: ../../../src/H5F.c line 1512 in H5Fopen(): unable to open file > major: File accessability > minor: Unable to open file > #001: ../../../src/H5F.c line 1216 in H5F_open(): unable to open file > major: File accessability > minor: Unable to open file > #002: ../../../src/H5FD.c line 1079 in H5FD_open(): open failed > major: Virtual File Layer > minor: Unable to initialize object > > > What am I doing wrong? Hard to tell from your example code, what you are doing should work. Can you send a full program that fails? Quincey > Thanks, > > Francesco > > PS Here is the configuration of my HDF5 system: > > h5cc -showconfig > SUMMARY OF THE HDF5 CONFIGURATION > ================================= > > General Information: > ------------------- > HDF5 Version: 1.8.4 > Configured on: Mon Feb 15 20:19:46 UTC 2010 > Configured by: root@crested > Configure mode: production > Host system: x86_64-pc-linux-gnu > Uname information: Linux crested 2.6.24-23-server #1 SMP Wed > Apr 1 22:14:30 UTC 2009 x86_64 GNU/Linux > Byte sex: little-endian > Libraries: > Installation point: /usr > > Compiling Options: > ------------------ > Compilation Mode: production > C Compiler: /usr/bin/gcc (gcc-4.4.3) > CFLAGS: -O0 > H5_CFLAGS: -std=c99 -pedantic -Wall -Wextra > -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual > -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return > -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations > -Wredundant-decls -Wnested-externs -Winline -Wno-long-long > -Wfloat-equal -Wmissing-format-attribute -Wmissing-noreturn -Wpacked > -Wdisabled-optimization -Wformat=2 -Wunreachable-code -Wendif-labels > -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch > -Wvariadic-macros -Wnonnull -Winit-self -Wmissing-include-dirs > -Wswitch-default -Wswitch-enum -Wunused-macros > -Wunsafe-loop-optimizations -Wc++-compat -Wstrict-overflow > -Wlogical-op -Wlarger-than=2048 -Wvla -Wsync-nand > -Wframe-larger-than=16384 -Wpacked-bitfield-compat -O0 > -fomit-frame-pointer -finline-functions > AM_CFLAGS: > CPPFLAGS: > H5_CPPFLAGS: -D_POSIX_SOURCE -DNDEBUG -UH5_DEBUG_API > AM_CPPFLAGS: -D_LARGEFILE_SOURCE > -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_BSD_SOURCE > Shared Libraries: yes > Static Libraries: yes > Statically Linked Executables: no > LDFLAGS: -Wl,-Bsymbolic-functions > AM_LDFLAGS: > Extra libraries: -lpthread -lz -lm > Archiver: ar > Ranlib: ranlib > Debugged Packages: > API Tracing: no > > Languages: > ---------- > Fortran: yes > Fortran Compiler: gfortran > Fortran Flags: > H5 Fortran Flags: > AM Fortran Flags: -O0 > C++: yes > C++ Compiler: g++ > C++ Flags: -O0 > H5 C++ Flags: > AM C++ Flags: > > Features: > --------- > Parallel HDF5: no > High Level library: yes > Threadsafety: yes > Default API Mapping: v16 > With Deprecated Public Symbols: yes > I/O filters (external): deflate(zlib) > I/O filters (internal): shuffle,fletcher32,nbit,scaleoffset > MPE: no > Direct VFD: no > dmalloc: no > Clear file buffers before write: yes > Using memory checker: no > Function Stack Tracing: no > GPFS: no > Strict File Format Checks: no > Optimization Instrumentation: no > Linux Large File Support (LFS): yes > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
