ORA-27546: Oracle compiled against IPC interface version 3.2 found version 3.3

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit

Red Hat Enterprise Linux Server release 5.3 (Tikanga)

3 Node RAC Database Server

One of the nodes had 10gR2 Oracle home installed. Removed the home using 11gR2 OUI. Suddenly database stopped working. When restarted the service in that node, database was not coming up, and found the below error message in alert log.

ORA-27546: Oracle compiled against IPC interface version 3.2 found version 3.3

Process J001 died, see its trace file

kkjcre1p: unable to spawn jobq slave process

Workaround

Copied $ORACLE_HOME/lib/libskgxp11.so from the first node to the third node, same location. And then :

$ relink all

Started the services … and its there up … :-)

Note : Ideas& Inspirations