Hi team, I am beginning on R and I try to install Rmpi library and I have problems, I have installed LAM-MPI on Rocks; [rcnavarro at hpc-cip ~]$ laminfo LAM/MPI: 7.1.1 Prefix: /opt/lam/gnu Architecture: x86_64-unknown-linux-gnu Configured by: root Configured on: Wed Oct 19 18:12:25 EDT 2005 Configure host: rocks-156.sdsc.edu Memory manager: ptmalloc2 C bindings: yes C++ bindings: yes Fortran bindings: yes C compiler: gcc C++ compiler: g++ Fortran compiler: g77 Fortran symbols: double_underscore C profiling: yes C++ profiling: yes Fortran profiling: yes C++ exceptions: no Thread support: yes ROMIO support: yes IMPI support: no Debug support: no Purify clean: no SSI boot: globus (API v1.1, Module v0.6) SSI boot: rsh (API v1.1, Module v1.1) SSI boot: slurm (API v1.1, Module v1.0) SSI coll: lam_basic (API v1.1, Module v7.1) SSI coll: shmem (API v1.1, Module v1.0) SSI coll: smp (API v1.1, Module v1.2) SSI rpi: crtcp (API v1.1, Module v1.1) SSI rpi: lamd (API v1.0, Module v7.1) SSI rpi: tcp (API v1.0, Module v7.1) SSI rpi: sysv (API v1.0, Module v7.1) SSI rpi: usysv (API v1.0, Module v7.1) SSI cr: self (API v1.0, Module v1.0) But I have problems with Rmpi library: [rcnavarro at hpc-cip ~]$ mpirun -np 6 -v RMPISNOW 16004 RMPISNOW running on n0 (o) 16005 RMPISNOW running on n0 (o) mpirun: cannot start RMPISNOW on n1: No such file or directory R version 2.4.0 (2006-10-03) Copyright (C) 2006 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. R version 2.4.0 (2006-10-03) Copyright (C) 2006 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. Error: 'package.description' is defunct. Use 'packageDescription' instead. See help("Defunct") Error in library(Rmpi) : .First.lib failed for 'Rmpi' Error: 'package.description' is defunct. Use 'packageDescription' instead. See help("Defunct") Error in library(Rmpi) : .First.lib failed for 'Rmpi' Error in dyn.unload(x) : dynamic/shared library '/paracel/R/lib64/R/library/Rmpi/libs/Rmpi.so' was not loaded Error in dyn.unload(x) : dynamic/shared library '/paracel/R/lib64/R/library/Rmpi/libs/Rmpi.so' was not loaded I dont understand, why? Please help me. Cheers Navarro Jara, Rolando Cisco Certified Network Associate - CCNA Acesss Grid Project - Information Technology Unit International Potato Center Phone: 511 - 3496017 Ext. 2146 Navarro Jara, Rolando Cisco Certified Network Associate - CCNA Acesss Grid Project - Information Technology Unit International Potato Center Phone: 511 - 3496017 Ext. 2146