I have now built mpich2 1.0.7 for PVFS2 Now I face an error while running the IOR test. I have attached the log . The test fails to "open a file" at the PVFS2 servers
I have a workaround which Im not very pleased with. I first pvfs2-touch a file- hence creating one for the test #pvfs2-touch /mnt/pvfs2/test.001 And then I run the test: #./IOR -a MPIIO -k -o /mnt/pvfs2/test.001 This works fine - without errors As you can see its not very elegant. Moreover this would not allow me to say, obtain some metadata numbers like file creation time [if this could be possible in IOR] Moreover, I observed that while I can see notable difference in bandwidths when I transfer a larger file, I do not see this reflecting in the file size. The pvfs2-ls -lh shows me an empty file Anyone got their 2 cents to offer? :-) Nirmal Thacker Robert Latham wrote: > On Tue, Sep 16, 2008 at 04:30:22PM -0400, Nirmal Thacker wrote: > >> Right..Yes I think this is the problem. >> >> mpicc -show does not point to the pvfs2 libraries corresponding to the >> pvfs2 binaries which I use. It instead points at a more recent version >> of PVFS2 which I had built earlier >> >> Is there a way I can change these arguments passed to mpicc by hand? >> Or must I rebuild mpich2 pointing it back to my present version of PVFS2? >> > > Rebuilding mpich2 is the safest thing: there are some constants in the > PVFS header files that might have been changed between these releases. > > ==rob > >
IOR-2.10.2: MPI Coordinated Test of Parallel I/O Run began: Wed Sep 17 02:01:13 2008 Command line used: ./IOR -a MPIIO -k -o pvfs2:/mnt/pvfs2/test1Machine: Linux node01 Summary: api = MPIIO (version=2, subversion=0) test filename = pvfs2:/mnt/pvfs2/test1 access = single-shared-file ordering in a file = sequential offsets ordering inter file= no tasks offsets clients = 1 (1 per node) repetitions = 1 xfersize = 262144 bytes blocksize = 1 MiB aggregate filesize = 1 MiB ** error ** ERROR in aiori-MPIIO.c (line 128): cannot open file. MPI Other I/O error , error stack: ADIO_RESOLVEFILETYPE(740): Specified filesystem is not available ** exiting ** application called MPI_Abort(MPI_COMM_WORLD, -1) - process 0[unset]: aborting job: application called MPI_Abort(MPI_COMM_WORLD, -1) - process 0
_______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
