Error Installing Datastage 7.5 on Red Hat AS2.1

[ashcar]

hello guys,

anybody with ideas how to install DS on Red Hat...i am installing the DS as root also created user DSADM..but soem how i am getting error posted below
p.s. It takes over 3 hours to install and still got the error

last few lines from the log file

branded_odbc/readmeODBC.txt
branded_odbc/readmeODBC_jpn.txt
branded_odbc/.odbcrel
39924 blocks
DATASTAGE-UNPACK-OK

Done.

============================================================
Installing updated server engine files
Tue Aug 10 20:45:54 EDT 2004
============================================================

File /home/dsadm/Ascential/DataStage/DSEngine/bin/uvsh saved as /home/dsadm/Ascential/DataStage/DSEngine/bin/uvsh.ds.saved
File /home/dsadm/Ascential/DataStage/DSEngine/bin/dsapi_slave saved as /home/dsadm/Ascential/DataStage/DSEngine/bin/dsapi_slave.ds.saved

DataStage Engine 7.5.1.1 instance "ade" has been brought down.

cp: overwrite `/home/dsadm/Ascential/DataStage/DSEngine/bin/uvsh'? Unable to copy parts of /tmp/dsinstall/unpack/uv/unix/ to /home/dsadm/Ascential/DataStage/DSEngine
You may need to quit and shut down the server engine for a successful install
An error has occured during DataStage server installation.
Exiting installation