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This article will explain in detail what the role of the Inventory directory in Oracle is, the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

OraInventory stores the directory information of Oracle software installation, which is needed for Oralce installation and upgrade. Let's take a look at a description of this directory in the Oracle documentation: the location of the All Oracle software installations rely on this directory.Ensure that you back it up regularly.Do not delete this directory unless you have completely removedall Oracle software from the system.oraInventory directory is determined by the oraInst.loc file: / etc/oraInst.loc (AIX and Linux Platform) / var/opt/oracle/OraInst.loc (Solaris and HP-UX platform) $cat / etc/oraInst.locinventory_loc=/app/oracle/oraInventoryinst_group=dba delete or lose the contents of the oraInventory directory Both may cause upgrade errors. For example, you may encounter the following error when running opatch: $opatch lsinventoryInvoking OPatch 10.2.0.4.3OPatch failed to locate Central Inventory.Possible causes are:The Central Inventory is corruptedThe oraInst.loc file specified is not valid.LsInventorySession failed: OPatch failed to locate Central Inventory.Possible causes are:The Central Inventory is corruptedThe oraInst.loc file specified is not valid.OPatch failed with error code 73$ opatch lsinventoryInvoking OPatch 10.2.0.4.3List of Homes on this system:Inventory load failed... in 10G OPatch cannot load inventory for the given Oracle Home.Possible causes are:Oracle Home dir. Error in path does not exist in Central InventoryOracle Home is a symbolic linkOracle Home inventory is corruptedLsInventorySession failed: OracleHomeInventory gets null oracleHomeInfoOPatch failed with error code 739I: OPATCH_JAVA_ERROR: An exception of type "OPatchException" has occurred:OPatch Exception:Can not lock OUI inventory (READ/WRITE Level) An exception occursThe inventory pointed at location / app/oraInventory is not validThere is no Interim PatchCan not get a list of inventory on this home.LsInventory: OPatchException while accessing O2OOPATCH_JAVA_ERROR: An exception of type "OPatchException" has occurred:OPatch Exception:OUI found no such ORACLE_ HOME set in the environmentCan not get details for given Oracle HomeAn exception occursnullThere is no Interim PatchCan not get a list of inventory on this home.ERROR: OPatch failed because of Inventory problem. In 10G, you can run the following command to rebuild the oraInventory directory: $cd $ORACLE_HOME/oui/bin$./runInstaller-silent-attachHome\ > ORACLE_HOME=$ORACLE_HOME\ > ORACLE_HOME_NAME= "ORACLE_HOME" Starting Oracle Universal Installer...No pre-requisite checks found in oraparam.ini Versions above no system pre-requisite checks will be executed.The inventory pointer is located at / etc/oraInst.locThe inventory is located at / app/oracle/oraInventory'AttachHome' was successful.js_znjh_1./app/oracle/product/10.2.0/db_1/oui/bin$10.2.0.2 You can also run the attachHome.sh script directly: $cd $ORACLE_HOME/oui/bin$./attachHome.shStarting Oracle Universal Installer...No pre-requisite checks found in oraparam.ini,no system pre-requisite checks will be executed.The inventory pointer is located at / etc/oraInst.locThe inventory is located at / app/oracle/oraInventory'AttachHome' was successful.

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