Re: [Myrinet] PVFS and ROMIO

Herbert,

I'm guessing you're running the test against a file in an NFS filesystem
instead of one on your PVFS filesystem. 

You'll need to give the "-fname foo" argument to the mpi-io test.   Be
sure "foo" specifies a file on PVFS (use the full pathname or cd to a
PVFS directory before running the test).

Hope this helps.  If it doesn't, please include output from "df -k .; pwd"
just before you run your test in your next email.

Best Regards,
Tim Sirianni
SGI

>From [email protected]  Wed Apr 17 10:31:47 2002
>
>Hello,
>
>I'm trying  to make some mpi-io tests with mpich-gm and pvfs. I have
>built MPICH-GM wiith romio support, using the following configure flags:
>
>/configure -prefix=/usr/local/sys/mpi_1217b -nodevdebug
>-cflags=-I/usr/local/sys2/src/gm-1.5_Linux_P2/binary/include
>-I/usr/src/pvfs-1.5.3/include -device=ch_gm -opt=-O2
>--lib=-L/usr/local/sys2/src/gm-1.5_Linux_P2/binary/lib/ -lgm -lpthread
>-L/usr/src/pvfs-1.5.3/lib/ -lminipvfs -arch=Linux -fc=pgf77
>-fflags=-Msignextend -tp p6 -Mcache_align  -Mdalign -f90=pgf90
>-f90flags=-Msignextend -tp p6 -Mcache_align  -Mdalign -cc=gcc -rsh=ssh
>--with-mpe --with-java=/usr/local/sys/jdk1.2.2/
>--with-romio=-file_system=pvfs
>
>Trying to run our mpi-io tests on PVFS, I get the following error
>message:
>Error in MPI_File_open: ROMIO has not been configured to use the NFS
>file system
>
>So what's wrong here? Why do I have to configure NFS support in ROMIO to
>write data to our
>PVFS filesystem?
>
>Any ideas?
>
>Regards
>
>Herbert