1.How to compare hash function used by two different systems? Whether they are same or different.
2.Even if the hash function is the same on two systems, is resotre tables with LOB'S and CLOB'S with possible using arcmain or ABU.
You can check the hash function from DBS control utility.Its in General Fields.
Once you are connected enter the following command
Check the value of 5 th field HashFuncDBC
ARC 14.0 or later can copy/restore tables with LOB data even if the hash functions differ.