DB Inventory Final

7/21/2019 DB Inventory Final

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Copyright 2014, Oracle and/or its affiliates. All rights reserved.1

Upcoming: Database Inventory: Concepts and troubleshooting


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from your WebEx menuUpcoming: Database Inventory: Concepts and troubleshooting


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Oracle Advisor Webcast

Database Inventory: Concepts andtroubleshooting

Asad HasanPrincipal Software Engineer


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AGENDA

Presentationapproximately 45 minutes

Q&A Sessionapproximately 15 minutes

Web attendees can ask questions via Q&A panel only

Phone attendees can ask questions via Q&A panel or phone

assisted)


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Current schedule

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Oracle Advisor Webcast

Database Inventory: Concepts andtroubleshooting

Asad HasanPrincipal Software Engineer


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Objectives

Understanding Oracle Database

Inventory

Importance of Database Inventory

Knowledge of Common Problems

with Inventory


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Agenda

Overview Database InventoryCentral Inventory and Local Inventory

Inventory Pointer used by OUI and OPatch

Layout of Oracle Inventory

Steps To Recreate Central InventoryTroubleshooting and known issues


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Overview of Oracle Inventory

Collection of information representing the software insta Provided the Oracle Product is Installed using OUI (Orac

Installer)

OUIOracles Installer Application

WINDOWS setup.exe

UNIX runInstaller


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Structure of Inventory

Central

InventoryPointer File(oraInst.loc)

Central

Inventory(oraInventory)

Oracle Hom

Oracle HomInventor

Oracle Hom

Each system has:One Central InventoryN Oracle Home(Local) Inventories


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Default Location Inventory Pointe

Solaris/HP-UX /var/opt/oracle/oraInst.locLinux/AIX : /etc/oraInst.loc

On Windows : registry HKLM\Software\oracle\ins

cat oraInst.loc

inventory_loc=/u01/app/oraInventory

inst_group=oinstall

Inst_loc C:\Program Files\Oracle\Inventory


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Central Inventory

Inventory having information of Oracle Homes installed

Contains

Inventory FileLogs Directory

Updated by install or de-install of a ORACLE_HOME.


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How Does OUI Decide oraInventory Lo

OUI Set Up Central Inventory

ORACLE_BASE

$ORACLE_BASE/../oraInventory

/u01/app/oraInventory

Set

Not Set No /home/oren

If it is not first time OUI refers /etc/oraInst.loc

OFA -Complaint

Yes

/u[01-09]/app/oraIn


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Inventory File(inventory.xml)

Located in :

/ContentsXML/inve

It Lists Oracle_Home with following attributes:

HOME IDX="1 LOC="/u01/app/oracle/product/11.2.0/db

NAME="OraDb11g_home1

HOME NAME=grid11g" LOC="/grid11g" IDX=2" CRS="t

NODE NAME="rac1" NODE NAME="rac2"


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Central Inventory Logs Directo

Contains all installation logs for that node: /logs

installActions


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Inventory on Windows

In Windows 64 bit machine, there can be two in

1) For all the oracle software installed using 64-bit DB sof"c:\Program Files\Oracle\Inventory"

2) For the 32-bit oracle softwares, eg: 32-bit db client s/w "c:\Program Files (x86)\Oracle\Inventory"

C


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Cont..

The two inventories are maintained independe

64-bit oracle software operate on 64 bit inventory 32-bit oracle software operate on 32-bit inventory

Registry keys associated with these inventories

HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE 64bit HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ORACLE

I t C ti l


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Inventory Corrections examples :

=>Attach Oracle_Home to Central Inventory :

=> Detach Oracle_Home from Central Inventory :

./runInstaller -silent -attachHomeORACLE_HOME="

ORACLE_HOME_NAME="

./runInstaller -silent -detachHomeORACLE_HOME="

ORACLE_HOME_NAME="

St T R t C t l


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Steps To Recreate CentralInventory(oraInventory) In RDBMS

STEP1:Locating the central inventorySTEP2:Remove the Central inventory (if it exists)

STEP3: Change the directory to the oui location.

STEP4:Attaching the Home


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Demonstration

L l i t


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Local inventory

Each Oracle_Home has a local inventory within$ORACLE_HOME/inventory

It contains the following files : Components File

Home Properties File

C t Fil l


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Components File - comps.xml It has records of all the components as well as patchsets

patches installed in the Oracle home.

ORACLE_HOME/inventory/ContentsXML/comps.xm

After each opatch apply/napply OUI updates its co

with patch details.

opatch lsinventory

opatch lsinventory -detail

S nc Central and Local In entor


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Sync Central and Local Inventory

Inventory.xml :

Comps.xml

INSTALL_TIME="2014.May.01 10:59:29 GMT

INST_TYPE NAME="EE" NAME_ID="EE" DESC_ID="EE_DE

LOC=" /u01/app/oracle/product/11.2.0/dbhome_1 " TYPIDX="1"/>

INST_LOC="/u01/app/oracle/product/11.2.0/dbhome_1/oracl

HOME_IDX="1

Home Properties


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Home Properties

Contains Platform details for a particular oracle_hom $ORACLE_HOME/inventory/ContentsXML/oraclehomepropert

Helps determine if the patch(32 or 64 bit) is applicable f

1722428402#.1076931936

226

Linux x86-64


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Cont..

Set Oracle_Base

oraenv reads oraclehomeproperties.xml


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Inventory PointerWithin Oracle_Hom

How to identify where is Oracle_Home registere

cat$ORACLE_HOME/oraInst.loc

Overrides the Default Inventory Pointer .

inventory_loc=/u01/app/oraInventory



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Inventory Ptr

/inventory/oneoff/inv

/ContentsXML/comp

/inventory/ContentsXM

/inventory/ContentsXML/oraclehomepr

Get Inventory Pointer

Get IndependentProducts

Get Oracle Homes

For each OHGet Components

Get platform

Home GUID

/ContentsXML/inventory.xml

For Opatch

Check Oracle XML Is Correct ?


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Check Oracle XML Is Correct ?

We can use opatch utility to check health of specifi

Error in XML File:

org.xml.sax.SAXParseException:


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How To Identify Error In XML Files ?

(Fatal Error) End tag does not match

Significance of oraInst loc using O


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Significance of oraInst.loc using OOPATCH

Default OUI takes central Inventory from:/var/opt/oracle/oraInst.loc or /etc/oraIn

Opatch takes central Inventory from $OH/oraI

If oraInst.loc does not exist:./runInstaller -invPtrLoc /oraInst.l

./opatch lsinventory -invPtrLoc /ora

oraInst loc - Case Study


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oraInst.loc - Case Study

Case 1-New Install in a Clean Machine

Oracle_Home/oraInst.locis created in the end of iexecuting oraInstRoot.sh.

Oracle_Home/oraInst.loc Default inventory pointe

Case 2Default Inventory Pointer Exists

Finds Inventory location from inventory pointer in default The file under OH/oraInst.lochas contents similar to

inventory pointer file.

Non-Default Inventory Pointer Location


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Non Default Inventory Pointer Location

Case 3New Install with -invPtrLoc


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Inventory Backup

Highly Recommended before any Upgrade or Patch Ope

Installs cannot be performed on the system due to inven

Rebuilding the Oracle Home(Local) inventory is not poss

Central Inventory Backup Oracle Home Backup


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Demonstration

Automated Inventory Backup


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Automated Inventory Backup

Operations Update Central Inventory Operations Update Loc

a) Install (New Home)b) Deinstall ( Remove Home)c) Cloned) Add nodee) Attach home

a) Install (patchsetsb) Deinstall (compoc) Add node

Backup the directory:

oraInventory/backup//time stamp/

Backup the directory:

$ORACLE_HOME/invente stamp/

Multiple OraInventory Locations?


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Multiple OraInventory Locations?

Consolidate Multiple Central Inventories into a Single Centra

Step1:Identify the Central Inventory Directory Step2:Execute orainstroot.sh

Step3:Identify other Central inventories and Oracle home

Step4:Execute the following command :

->cd $ORACLE_HOME/oui/bin->./runInstaller -silent -attachHome

ORACLE_HOME=""

ORACLE_HOME_NAME=""


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Demonstration

Summary


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y

Understanding of Central andLocal Inventory

Steps to Recreate Central Inventory

Purpose of oraInst.loc

Consolidation of oraInventory

What we covered today

Additional References


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Document 564192.1 FAQs on Central Inventory

and Oracle Home Inventory (Local Inventory) inOracle RDBMS

Document 556834.1 Steps To Recreate CentralInventory(oraInventory) In RDBMS Homes

Document 414600.1 Strategies for a Corrupted

Oracle Central Inventory

Document 453399.1 How To Check ifinventory.xml/comps.xml Or Any Oracle XMLFile Is Correct?


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Questions & Answers

MOS Community thread for Q&A
https://community.oracle.com/thread/3572317


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yhttps://community.oracle.com/thread/3
https://community.oracle.com/thread/3572317https://community.oracle.com/thread/3572317


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DB Inventory Final

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