http://blog.itpub.net/4227/viewspace-704451/
运行opatch lsinventory
注意执行opatch lsinventory的路径：
> $ORACLE_HOME/OPatch/opatch lsinventory
Invoking OPatch 10.2.0.4.2
Oracle Interim Patch Installer version 10.2.0.4.2
Copyright (c) 2007, Oracle Corporation. All rights reserved.
Oracle Home : /fgms/oracle10g/db
Central Inventory : /fgms/oracle/oraInventory
from : /var/opt/oracle/oraInst.loc
OPatch version : 10.2.0.4.2
OUI version : 10.2.0.4.0
OUI location : /fgms/oracle10g/db/oui
Log file location : /fgms/oracle10g/db/cfgtoollogs/opatch/opatch2011-06-02_15-37-49PM.log
Inventory load failed... OPatch cannot load inventory for the given Oracle Home.
LsInventorySession failed: Unable to create patchObject
OPatch failed with error code 73