Recovering from quarterly PSU patching disaster

# $GRID_HOME/OPatch/opatch auto $GI_PSU -ocmrf /tmp/ocm.rsp
 
 patch /stage/psu/11g/GI/2018OCT/28429134/27735020/custom/server/27735020 apply successful for home /u01/app/oracle/product/11.2.0/db_1
 patch /stage/psu/11g/GI/2018OCT/28429134/28204707 apply failed for home /u01/app/oracle/product/11.2.0/db_1
 
 patch /stage/psu/11g/GI/2018OCT/28429134/27735020 apply successful for home /u01/11.2.0/grid
 patch /stage/psu/11g/GI/2018OCT/28429134/28204707 apply failed for home /u01/11.2.0/grid
 

# crsctl config has
 exec(): 0509-036 Cannot load program crsctl.bin because of the following errors:
 rtld: 0712-001 Symbol ztca_Shutdown was referenced
  from module crsctl.bin(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-001 Symbol ztpk_SetKeyInfo was referenced
  from module /u01/11.2.0/grid/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-001 Symbol ztpk_DestroyKey was referenced
  from module /u01/11.2.0/grid/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-001 Symbol ztpk_Sign was referenced
  from module /u01/11.2.0/grid/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-001 Symbol ztpk_Verify was referenced
  from module /u01/11.2.0/grid/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-002 fatal error: exiting.
 
 $ srvctl config database -d $ORACLE_SID
 exec(): 0509-036 Cannot load program getcrshome because of the following errors:
 rtld: 0712-001 Symbol ztpk_SetKeyInfo was referenced
  from module /u01/app/oracle/product/11.2.0/db_1/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 rtld: 0712-001 Symbol ztpk_DestroyKey was referenced
  from module /u01/app/oracle/product/11.2.0/db_1/lib/libhasgen11.so(), but a runtime definition
  of the symbol was not found.
 

Restore GI HOME:
 cd $GRID_HOME
 cp /backup/GIHome.tar .
 tar -xvpf GIHome.tar
 $GRID_HOME/crs/install/roothas.pl -unlock
 cd $GRID_HOME/rdbms/lib/
 ls -l config.o
 mv config.o config.o.bkup
 $GRID_HOME/bin/relink all
 
 # ./rootadd_rdbms.sh
 # ./roothas.pl -patch
 
 Restore DB HOME:
 cd $ORACLE_HOME
 cp /backup/DBHome.tar .
 tar -xvpf DBHome.tar
 $ORACLE_HOME/bin/relink all