https://community.intel.com/t5/Intel-MPI-Library/nsfxxxx-files-generated-at-execution-with-mpi/m-p/896094#M2111 <DIV style="margin:0px;"> <DIV id="quote_reply" style="width: 100%; margin-top: 5px;"> <DIV style="margin-left:2px;margin-right:2px;">Quoting - <A href="https://community.intel.com/en-us/profile/442141">martialp</A></DIV> <DIV style="background-color:#E5E5E5; padding:5px;border: 1px; border-style: inset;margin-left:2px;margin-right:2px;"><EM>Hello<BR /><BR />When I use my software running with Intel MPI 2.0 (sorry can't update MPI for the moment), I can see numerous temporary files named .nfsXXXXXXXX which worried my customers . The process running with MPI needs 4 files in input and generates4 files in output, all these files are read and written on a remote disk via the network and the I use 4 cpus. <BR />Can you tell me more about these files, is there a relationship between the number of .nsfxxx files and the files in input/output?</EM></DIV> </DIV> </DIV> <BR />Hi Martialp,<BR /><BR />These files do not depend on the MPI version. These files were created as a temporary files when an open file was deleted on <ACRONYM title="Network File System">NFS</ACRONYM> mounted file systems. The file is created so the unfinished process can continue writing/reading to that file which was deleted. It stays around even after the process has finished.<BR />Use fuser <FILE name=""> to see which pid is still keep the file open.<BR />Basically, you can ignore this, not a serious problem in my mind.<BR /><BR />Regards!<BR /> Dmitry<BR /></FILE> Mon, 02 Nov 2009 08:23:29 GMT Dmitry_K_Intel2 2009-11-02T08:23:29Z https://community.intel.com/t5/Intel-MPI-Library/nsfxxxx-files-generated-at-execution-with-mpi/m-p/896093#M2110 Hello<BR /><BR />When I use my software running with Intel MPI 2.0 (sorry can't update MPI for the moment), I can see numerous temporary files named .nfsXXXXXXXX which worried my customers . The process running with MPI needs 4 files in input and generates4 files in output, all these files are read and written on a remote disk via the network and the I use 4 cpus. <BR />Can you tell me more about these files, is there a relationship between the number of .nsfxxx files and the files in input/output? Mon, 02 Nov 2009 08:02:13 GMT https://community.intel.com/t5/Intel-MPI-Library/nsfxxxx-files-generated-at-execution-with-mpi/m-p/896093#M2110 martialp 2009-11-02T08:02:13Z https://community.intel.com/t5/Intel-MPI-Library/nsfxxxx-files-generated-at-execution-with-mpi/m-p/896094#M2111 <DIV style="margin:0px;"> <DIV id="quote_reply" style="width: 100%; margin-top: 5px;"> <DIV style="margin-left:2px;margin-right:2px;">Quoting - <A href="https://community.intel.com/en-us/profile/442141">martialp</A></DIV> <DIV style="background-color:#E5E5E5; padding:5px;border: 1px; border-style: inset;margin-left:2px;margin-right:2px;"><EM>Hello<BR /><BR />When I use my software running with Intel MPI 2.0 (sorry can't update MPI for the moment), I can see numerous temporary files named .nfsXXXXXXXX which worried my customers . The process running with MPI needs 4 files in input and generates4 files in output, all these files are read and written on a remote disk via the network and the I use 4 cpus. <BR />Can you tell me more about these files, is there a relationship between the number of .nsfxxx files and the files in input/output?</EM></DIV> </DIV> </DIV> <BR />Hi Martialp,<BR /><BR />These files do not depend on the MPI version. These files were created as a temporary files when an open file was deleted on <ACRONYM title="Network File System">NFS</ACRONYM> mounted file systems. The file is created so the unfinished process can continue writing/reading to that file which was deleted. It stays around even after the process has finished.<BR />Use fuser <FILE name=""> to see which pid is still keep the file open.<BR />Basically, you can ignore this, not a serious problem in my mind.<BR /><BR />Regards!<BR /> Dmitry<BR /></FILE> Mon, 02 Nov 2009 08:23:29 GMT https://community.intel.com/t5/Intel-MPI-Library/nsfxxxx-files-generated-at-execution-with-mpi/m-p/896094#M2111 Dmitry_K_Intel2 2009-11-02T08:23:29Z