INCISIVE-15.2安装在NFS上会报错，但是本地磁盘上不会报错

环境变量
export CDS_LIC_FILE=5284@172.11.0.91
export INCISIVDIR=/data/eda/cadence/INCISIV152111
export VRST_HOME=$INCISIVDIR
export LD_LIBRARY_PATH=$INCISIVDIR/tools.lnx86/lib:$LD_LIBRARY_PATH
export SPECMAN_HOME=$INCISIVDIR/components/sn
export SPECMAN_DIR=$SPECMAN_HOME/
export PATH=$INCISIVDIR/bin:$INCISIVDIR/tools.lnx86/bin:$INCISIVDIR/tools.lnx86/dfII/bin:$PATH

执行
simvision

报错信息如下
simvision: 15.20-p001: (c) Copyright 1995-2016 Cadence Design Systems, Inc.
Application initialization failed: Can't find a usable init.tcl in the following directories:
   /vobs/dvgui/src/tcltk/instdir.build/lib/tcl8.4 /data/eda/cadence/INCISIV152111/tools.lnx86/simvision/lib/tcl8.4 /data/eda/cadence/INCISIV152111/tools.lnx86/lib/tcl8.4 /data/eda/cadence/INCISIV152111/tools.lnx86/simvision/library /data/eda/cadence/INCISIV152111/tools
.lnx86/library /data/eda/cadence/INCISIV152111/tools.lnx86/tcl8.4.19/library /data/eda/cadence/INCISIV152111/tcl8.4.19/library /vobs/dvgui/src/tcltk/instdir.build/lib/tcl8.4

如果将此文件夹复制到本地/opt目录下，则不会报错