mkisofs from RedHat 7.0 does not work
You can not specify pathspec as cdpath/=/home/files/real_path
it does not understand this. In the same time mkisofs from RedHat 6.2 is OK
This is a change in default behaviour for mkisofs,
the option -graft-points must be used explicitly now.
*** This bug has been marked as a duplicate of 15216 ***