Installing the Dbd::oralce module times wrong:
Running Mkbootstrap for Dbd::oracle ()
chmod 644 Oracle.bs
Rm-f blib/arch/auto/dbd/oracle/oracle.so
Gcc-shared-o2-g-pipe-wall-wp,-d_fortify_source=2-fexceptions-fstack-protector--PARAM=SSP-BUFFER-SIZE=4-M64-MTU Ne=generic oracle.o dbdimp.o oci8.o-o blib/arch/auto/dbd/oracle/oracle.so \
-l/home/oracle/app/oracle/product/11.2.0/client_1/lib/-lclntsh-ldl-lm-lpthread-lnsl-lirc-lipgo-ldl-lm \
/usr/bin/ld:skipping incompatible/home/oracle/app/oracle/product/11.2.0/client_1/lib//libclntsh.so when searching For-lclntsh
/usr/bin/ld:cannot Find-lclntsh
Collect2:ld returned 1 exit status
Make: * * * [blib/arch/auto/dbd/oracle/oracle.so] Error 1
The decision should be that the Oracle client library file libclntsh.so has a problem and then decides to reinstall the Oracle client. Select Instantclient-basic-linux.x64-11.2.0.4.0.zip
The current operating system is a 64-bit red Hat Enterprise Linux Server release 5.5 (Tikanga) system that requires the installation of the following dependent packages (i386.rpm\x86_64.rpm installed) or an error.
compat-libstdc++-33-3.2.3-61.i386.rpm
elfutils-libelf-devel-0.137-3.el5.i386.rpm
libaio-devel-0.3.106-5.i386.rpm
elfutils-libelf-devel-static-0.137-3.el5.i386.rpm
sysstat-7.0.2-3.el5.i386.rpm
libaio-devel-0.3.106-3.2.x86_64.rpm
unixodbc-2.2.11-10.el5.x86_64.rpm
unixodbc-devel-2.2.11-10.el5.x86_64.rpm
unixodbc-libs-2.2.11-10.el5.x86_64.rpm
unixodbc-2.2.11-10.el5.src.rpm
libaio-devel-0.3.106-5.x86_64.rpm
unixodbc-2.2.11-10.el5.i386.rpm
unixodbc-libs-2.2.11-10.el5.i386.rpm
Install the successful client and then reinstall the Perl dbd::oracle module successfully.
Oracle 11gR2 Client Installation (Red Hat Enterprise Linux Server release 5.5 (tikanga) installs Oracle clients)