1-2-3 PSU

Shutdown all the database instances in the 11.2.0.4.0 home
as oracle
srvctl stop home -o /ora01/oracle/product/11.2.0.4/db -s dbstatefile

Rollback patch 18769590
as oracle
$ORACLE_HOME/OPatch/opatch rollback -id 18769590

Rollback the psu
as root
opatch auto -rollback -ocmrf ocm.rsp

Rollback just the db Home
as root
opatch auto -oh /ora01/oracle/product/11.2.0.4/db -rollback -ocmrf ocm.rsp

Apply the PSU with the -norestart option
as root
opatch auto -ocmrf ocm.rsp -norestart

Start all the databasesas oracle
as root
crsctl start resource -w "TYPE = ora.database.type"

Start has and ASM
as root
crsctl start has