计算服务器的问题
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系统是centos，是运维帮忙安装的of9，自己用xshell登录进去运行算例没有问题，上传pbs脚本运行就会出现mpicc ：command not found
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试试把 MPI 的路径写到系统的 PATH 和 LD_LIBRARY_PATH 里面去。
另外说个题外话，你的 pbs脚本里面最后一句有点问题，你需要指定 hostfile，要不然不管你用多少核，都只会在头节点上运行。比如上面，你制定了两个节点 cu01 和 cu02，每个32核共64核，但是如果按照你上面这个脚本提交作业，那么实际上是会在 cu01上面启动64个进程，cu02则空闲。
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@shrine 是不是装了别的版本的openfoam？xshell登录进去运行算例是怎么运行的？
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@cccrrryyy 我自己装了of8，运行不成功，出现glibc库版本不够。
运维装的of9，xshell登录进去，多线程并行运行没有问题
提交脚本就显示mpicc找不到，现在运维那边说就是glibc的原因
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@xpqiu 我在
https://www.cfd-china.com/topic/5535/rhel怎么安装of/14
里是自己安装的of8，用xshell运行遇到glibc版本低的问题运维安装了of9，用xshell运行mpi算例没有问题，但是用脚本提交就不行，估计运维把mpicc目录添加进去了，最终还是变成glibc版本太低
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@shrine
可以在作业提交脚本里面加一些 echo 语句echo "PATH=$PATH" echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" ldd $(which interFoam)同时，在你的 xshell里面，登录到服务器也执行这三个命令，对比一下输出有何区别，这样有助于定位问题。
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PATH=/usr/lib64/openmpi/bin:/home/xry/OpenFOAM/xry-2112/platforms/linux64GccDPInt32Opt/bin:/usr/lib/openfoam/openfoam2112/site/2112/platforms/linux64GccDPInt32Opt/bin:/usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/bin:/usr/lib/openfoam/openfoam2112/bin:/usr/java/jre1.8.0_151/bin:/opt/tsce4/maui/sbin:/opt/tsce4/maui/bin:/opt/tsce4/torque6/bin:/opt/tsce4/torque6/sbin:/usr/local/bin:/opt/software/openmpi/bin:/usr/mpich/bin:/usr/bin:/usr/local/sbin:/usr/sbin:.:/home/xry/.local/bin:/home/xry/binLD_LIBRARY_PATH=/home/xry/OpenFOAM/xry-2112/platforms/linux64GccDPInt32Opt/lib:/usr/lib/openfoam/openfoam2112/site/2112/platforms/linux64GccDPInt32Opt/lib:/usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/sys-openmpi:/usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib:/usr/lib/openfoam/openfoam2112/ThirdParty/platforms/linux64GccDPInt32/lib/sys-openmpi:/usr/lib/openfoam/openfoam2112/ThirdParty/platforms/linux64GccDPInt32/lib:/usr/lib64/openmpi/lib:/usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/dummy:/opt/software/openmpi/lib:/software/openmpi/lib:/usr/mpich/lib:/usr/local/mpc/lib:/usr/local/gmp/lib:/usr/local/mpfr-4.1.0/liblinux-vdso.so.1 => (0x00007ffce15f4000) libfiniteVolume.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so (0x00007faff29f9000) libfvOptions.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libfvOptions.so (0x00007faff2583000) libmeshTools.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libmeshTools.so (0x00007faff1c79000) libsampling.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libsampling.so (0x00007faff1568000) libdynamicFvMesh.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libdynamicFvMesh.so (0x00007faff12ad000) libincompressibleTransportModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libincompressibleTransportModels.so (0x00007faff101a000) libinterfaceProperties.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libinterfaceProperties.so (0x00007faff0d9c000) libimmiscibleIncompressibleTwoPhaseMixture.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libimmiscibleIncompressibleTwoPhaseMixture.so (0x00007faff0b91000) libturbulenceModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libturbulenceModels.so (0x00007faff073a000) libincompressibleTurbulenceModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libincompressibleTurbulenceModels.so (0x00007faff02a7000) libwaveModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libwaveModels.so (0x00007fafeffd5000) libVoFphaseTurbulentTransportModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libVoFphaseTurbulentTransportModels.so (0x00007fafefc15000) libincompressibleInterPhaseTransportModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libincompressibleInterPhaseTransportModels.so (0x00007fafefa12000) libOpenFOAM.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so (0x00007fafeeca9000) libdl.so.2 => /lib64/libdl.so.2 (0x00007fafeeaa5000) libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007fafee79d000) libm.so.6 => /lib64/libm.so.6 (0x00007fafee49b000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fafee285000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fafee069000) libc.so.6 => /lib64/libc.so.6 (0x00007fafedc9c000) libPstream.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/sys-openmpi/libPstream.so (0x00007fafeda81000) libfileFormats.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libfileFormats.so (0x00007fafed6c5000) libsurfMesh.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libsurfMesh.so (0x00007fafed287000) libfluidThermophysicalModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libfluidThermophysicalModels.so (0x00007fafecac0000) libsolidThermo.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libsolidThermo.so (0x00007fafec7c2000) libcompressibleTurbulenceModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libcompressibleTurbulenceModels.so (0x00007fafec2eb000) libdynamicMesh.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libdynamicMesh.so (0x00007fafebbc5000) liblagrangian.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/liblagrangian.so (0x00007fafeb980000) libtwoPhaseMixture.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libtwoPhaseMixture.so (0x00007fafeb766000) libtwoPhaseProperties.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libtwoPhaseProperties.so (0x00007fafeb519000) libspecie.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libspecie.so (0x00007fafeaea1000) libz.so.1 => /lib64/libz.so.1 (0x00007fafeac8b000) /lib64/ld-linux-x86-64.so.2 (0x00007faff511c000) libmpi.so.12 => /usr/lib64/openmpi/lib/libmpi.so.12 (0x00007fafea9a7000) libcompressibleTransportModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libcompressibleTransportModels.so (0x00007fafea7a3000) libthermophysicalProperties.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libthermophysicalProperties.so (0x00007fafea466000) libsolidSpecie.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libsolidSpecie.so (0x00007fafea234000) libreactionThermophysicalModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libreactionThermophysicalModels.so (0x00007fafe940c000) libradiationModels.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libradiationModels.so (0x00007fafe9052000) libextrudeModel.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libextrudeModel.so (0x00007fafe8e22000) libopen-rte.so.12 => /usr/lib64/openmpi/lib/libopen-rte.so.12 (0x00007fafe8ba6000) libopen-pal.so.13 => /usr/lib64/openmpi/lib/libopen-pal.so.13 (0x00007fafe8902000) librt.so.1 => /lib64/librt.so.1 (0x00007fafe86fa000) libutil.so.1 => /lib64/libutil.so.1 (0x00007fafe84f7000) libhwloc.so.5 => /lib64/libhwloc.so.5 (0x00007fafe82ba000) libSLGThermo.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libSLGThermo.so (0x00007fafe80b2000) libdistributed.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libdistributed.so (0x00007fafe7e37000) libblockMesh.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libblockMesh.so (0x00007fafe7b93000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007fafe7987000) libltdl.so.7 => /lib64/libltdl.so.7 (0x00007fafe777d000) libdecompositionMethods.so => /usr/lib/openfoam/openfoam2112/platforms/linux64GccDPInt32Opt/lib/libdecompositionMethods.so (0x00007fafe74ec000)