ea4de16561
If file does not exist, check the directory it lives in...
Maybe used by caller, trying to open mmap() on NFS, Lustre or
Panasas (thanks Sam).
For now, this is used to warn about the usage of mmap on such FS.
Please note, that Ralph mentioned the orte_no_session_dir parameter.
The help message includes a reference to this.
Tested on NFS and Lustre on Linux on
smoky: mpirun --mca orte_tmpdir_base $HOME/tmp -np 2 ./mpi_stub
jaguar: mpirun ... --mca orte_tmpdir_base /tmp/work/$USER ...
Fixes trac:1354
This should cmr:v1.5 once it has soaked and is shown to work on
Solaris
This commit was SVN r22604.
The following Trac tickets were found above:
Ticket 1354 --> https://svn.open-mpi.org/trac/ompi/ticket/1354
43 строки
1.2 KiB
Plaintext
43 строки
1.2 KiB
Plaintext
# -*- text -*-
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#
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# Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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#
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# This is the US/English help file for Open MPI's common shmem support.
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#
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[sys call fail]
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A system call failed during shared memory initialization that should
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not have. It is likely that your MPI job will now either abort or
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experience performance degredation.
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Local host: %s
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System call: %s %s
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Error: %s (errno %d)
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#
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[mmap too small]
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Open MPI requested a shared memory segment that was too small to do
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anything useful. This is likely an error in Open MPI itself. If you
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see this error, you should see if there is an update available for
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Open MPI, and if not, contact the Open MPI developers.
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Local host: %s
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Requested size: %ul
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Control seg size: %ul
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Data seg aligment: %ul
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[mmap on nfs]
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Creating the shared memory backup file on a network file system, such
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as NFS or Lustre is not recommended.
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This may be due to using the wrong tmpdir variable.
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Please ask Your system administrator to provide a system-wide MCA
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parameter file, in which parameter orte_no_session_dir is specified:
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It states paths of directories, not allowed as session directories.
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File Name: %s
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