unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO"
( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \
unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO"
( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \