我在尝试加载 Rmpi 时遇到问题,但收到以下错误消息:
> library('Rmpi')
Error in dyn.load(file, DLLpath = DLLpath, ...) :
unable to load shared library '/usr/lib64/R/library/Rmpi/libs/Rmpi.so':
libmpi.so.0: cannot open shared object file: No such file or directory
In addition: Warning message:
.Last.lib failed in detach() for 'Rmpi', details:
call: dyn.unload(file.path(libpath, "libs", paste("Rmpi", .Platform$dynlib.ext,
error: dynamic/shared library '/usr/lib64/R/library/Rmpi/libs/Rmpi.so' was not loaded
Error in library("Rmpi") : .First.lib failed for 'Rmpi'
但是,当我以 root 身份登录时,不会发生此错误。
这似乎不是权限问题。我检查了 libmpi.so.0 的权限:
[meehan@cnl10 /]$ ll /usr/lib64/lam/lib/
total 7.4M
-rw-r--r-- 1 root root 207 May 25 2008 lam.module
-rw-r--r-- 1 root root 885K May 25 2008 liblam.a
-rw-r--r-- 1 root root 361K May 25 2008 liblamf77mpi.a
lrwxrwxrwx 1 root root 21 Apr 12 2010 liblamf77mpi.so -> liblamf77mpi.so.0.0.0
lrwxrwxrwx 1 root root 21 Apr 12 2010 liblamf77mpi.so.0 -> liblamf77mpi.so.0.0.0
-rwxr-xr-x 1 root root 73K May 25 2008 liblamf77mpi.so.0.0.0
-rw-r--r-- 1 root root 2.2M May 25 2008 liblammpi++.a
-rw-r--r-- 1 root root 509K May 25 2008 liblammpio.a
lrwxrwxrwx 1 root root 20 Apr 12 2010 liblammpi++.so -> liblammpi++.so.0.0.0
lrwxrwxrwx 1 root root 20 Apr 12 2010 liblammpi++.so.0 -> liblammpi++.so.0.0.0
-rwxr-xr-x 1 root root 167K May 25 2008 liblammpi++.so.0.0.0
lrwxrwxrwx 1 root root 15 Apr 12 2010 liblam.so -> liblam.so.0.0.0
lrwxrwxrwx 1 root root 15 Apr 12 2010 liblam.so.0 -> liblam.so.0.0.0
-rwxr-xr-x 1 root root 332K May 25 2008 liblam.so.0.0.0
-rw-r--r-- 1 root root 2.2M May 25 2008 libmpi.a
lrwxrwxrwx 1 root root 15 Apr 12 2010 libmpi.so -> libmpi.so.0.0.0
lrwxrwxrwx 1 root root 15 Apr 12 2010 libmpi.so.0 -> libmpi.so.0.0.0
-rwxr-xr-x 1 root root 655K May 25 2008 libmpi.so.0.0.0
和 Rmpi.so:
[meehan@cnl10 /]$ ll /usr/lib64/R/library/Rmpi/libs/
total 108K
-rwxr-xr-x 1 root root 104K Jan 20 2011 Rmpi.so
无论如何,我将 R 作为 sudo 运行。
相关系统信息:-Linux 发行版:CentOS 5.5 -R 版本:2.11.1 (2010-05-31) -Rmpi 版本:0.5-8 -MPI 实现是 openmpi
[meehan@cnl10 /]$ echo $LD_LIBRARY_PATH
/opt/lib:/opt/open-mpi/tcp-`gnu41/lib:/opt/intel/mkl/10.2/lib/em64t:/opt/intel/fce/11.1/lib:/opt/intel/cce/11.1/lib:`
非常感激任何的帮助!