VP Shared File System

8/6/2019 VP Shared File System

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Practical Guide forPractical Guide forImplementing SharedImplementing Shared

Application File SystemApplication File System

ByBy

Venkat PerumalVenkat Perumal


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ObjectivesObjectives

Overview of Shared File SystemOverview of Shared File System

Difference between Shared File SystemDifference between Shared File Systemand Shared APPL_TOPand Shared APPL_TOP

Steps to Implement Shared File SystemSteps to Implement Shared File System

Shared Disk resource system managementShared Disk resource system managementsolutionssolutions

ConclusionConclusion


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Oracle Application ArchitectureOracle Application Architecture

33--Tier ArchitectureTier Architecture


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Three Tier ArchitectureThree Tier Architecture

Desktop TierDesktop Tier

Application TierApplication Tier

Database TierDatabase Tier


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Oracle Application File SystemOracle Application File System


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Shared Application File SystemShared Application File System

Oracle in an attempt to improve scalability andOracle in an attempt to improve scalability andadministrative options in Eadministrative options in E--Business 11i application,Business 11i application,introduced the Shared Application File System. Theintroduced the Shared Application File System. The

Shared File Application System helps to consolidate anShared File Application System helps to consolidate an11i application code tree in a multi11i application code tree in a multi--node environment.node environment.

In a shared application tier file system installation, theIn a shared application tier file system installation, theAPPL_TOP, COMMON_TOP, and Applications technologyAPPL_TOP, COMMON_TOP, and Applications technologystack are installed on a shared disk resource mounted tostack are installed on a shared disk resource mounted toeach node in the system. These nodes can be used toeach node in the system. These nodes can be used toprovide standard application tier services, such as forms,provide standard application tier services, such as forms,web, and concurrent processing.web, and concurrent processing.


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Shared File SystemShared File System


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Shared Application File SystemShared Application File System

Database Files

Data DB

Oracle Application

database filesOracle Home

for RDBMS

Application Tier Files

APPL

Oracle Apps

Product files

COMN

Common Files

(Log,Output,Java

and HTML)

ORA

Apps Tech

Stack 8.0.6 and

iAS

Common for all nodes for

Shared File structure

Database Files

Data DB

Oracle Application


for RDBMS


APPL

Oracle Apps

Product files

COMN

Common Files

(Log,Output,Java

and HTML)

ORA

Apps Tech

Stack 8.0.6 and

iAS


Shared File structure


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Shared APPL_TOPShared APPL_TOP

Database Files

Data DB

Oracle Application


for RDBMS


APPL

Oracle Apps

Product files

COMN

Common Files

(Log,Output,Java

and HTML)

ORA

Apps Tech

Stack 8.0.6 and

iAS


Shared APPL_TOP

Database Files

Data DB

Oracle Application


for RDBMS


APPL

Oracle Apps

Product files

COMN

Common Files

(Log,Output,Java

and HTML)

ORA

Apps Tech

Stack 8.0.6 and

iAS


Shared APPL_TOP


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Advantages of Shared ApplicationAdvantages of Shared Application

File SystemFile System Improved scalability: Its easier to add a new node.Improved scalability: Its easier to add a new node.

Shared Application File System offers simplified scripts toShared Application File System offers simplified scripts toadd a new node with a reduced down time window.add a new node with a reduced down time window.

Since the changes are visible across all nodes, patchesSince the changes are visible across all nodes, patchesneeded to be applied only once. Also, upgrade processneeded to be applied only once. Also, upgrade processtime is significantly reduced.time is significantly reduced.

Overall disk requirement is greatly reduced.Overall disk requirement is greatly reduced.

Daily Application Administrative duties such as customDaily Application Administrative duties such as customcode migration have been simplified.code migration have been simplified.

Any changes made in the shared application tier fileAny changes made in the shared application tier filesystem are immediately visible on all nodessystem are immediately visible on all nodes


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Practical ways to implementPractical ways to implement

Shared Application File SystemShared Application File SystemShared Application File System in new deployments:


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Implementing Shared FileImplementing Shared FileSystem in a MultiSystem in a Multi--NodeNode

environmentenvironmentPrerequisitesPrerequisites::

Oracle Universal Installer (Minimum Version 2.2)Oracle Universal Installer (Minimum Version 2.2)

TXK Autoconfig Templates (RUP O or Higher)TXK Autoconfig Templates (RUP O or Higher)

TXK Technology Stack (Min Pack D)TXK Technology Stack (Min Pack D)

AD Mini Pack (Mini Pack I or Higher)AD Mini Pack (Mini Pack I or Higher)

iAS Patch (Oracle HTTP Server Rollup 5 oriAS Patch (Oracle HTTP Server Rollup 5 orhigher)higher)

Global SnapshotGlobal Snapshot


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environmentenvironment

Node 2(Secondary Server)Node 1(Primary Server)

Concurrent Manager,

Reports, Admin

DB Web, Forms,Discoverer

Node 2(Secondary Server)Node 1(Primary Server)

Concurrent Manager,

Reports, Admin

DB Web, Forms,Discoverer


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environmentenvironment Execute merge ScriptExecute merge Script

Copy clone directoriesCopy clone directories

Execute rapid clone scriptExecute rapid clone script

Implement shared file scriptsImplement shared file scripts

Add nodesAdd nodes


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environmentenvironment Node 1 and Node 2 will be merged as part of theNode 1 and Node 2 will be merged as part of the

shared file system implementation exercise.shared file system implementation exercise.Assume thatNode 1 is the primary server whereAssume thatNode 1 is the primary server whereconcurrent managers/reports/admin services areconcurrent managers/reports/admin services areinstalled and on Node 2 Web, Forms andinstalled and on Node 2 Web, Forms andDiscoverer services are installed.Discoverer services are installed.

On the primary server (node 1), the first step isOn the primary server (node 1), the first step is

to execute the preclone script to generate theto execute the preclone script to generate themanifest for merge. Execute the following scriptmanifest for merge. Execute the following scriptlocated onlocated onCOMMON_TOP/admin//COMMON_TOP/admin//


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environmentenvironmentperl adpreclone.pl appsTier mergeperl adpreclone.pl appsTier merge

Running adgenhfver.pl with command...Running adgenhfver.pl with command...

PerlPerl/u02/ppconctest/testappl/ad/11.5.0/bin/adgenhf/u02/ppconctest/testappl/ad/11.5.0/bin/adgenhfver.pl isPrimary=y applsysusr=APPLSYSver.pl isPrimary=y applsysusr=APPLSYStempdir=/u02/ppconctest/testcomn/temptempdir=/u02/ppconctest/testcomn/temp

Please enter the APPS User [APPS]: APPSPlease enter the APPS User [APPS]: APPSPlease enter the APPS password: Please enter the APPS password:

This is the merge Primary node:This is the merge Primary node:


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environmentenvironmentAPPL_TOPs belonging to PPTEST, that can be merged withAPPL_TOPs belonging to PPTEST, that can be merged withAT_pak365devdb01:AT_pak365devdb01:AT_pak365devap02(FORMS, WEB)AT_pak365devap02(FORMS, WEB) (secondary Server)(secondary Server)

AT_pak365devdb01(ADMIN, CONCURRENT_PROCESSING)AT_pak365devdb01(ADMIN, CONCURRENT_PROCESSING) (primary(primaryserver)server)Do you want to include AT_pak365devap02 in the merge ? [y]:Do you want to include AT_pak365devap02 in the merge ? [y]:Do you want to include AT_pak365devdb01 in the merge ? [y]:Do you want to include AT_pak365devdb01 in the merge ? [y]:Generating the high version files manifest. This will take some time,Generating the high version files manifest. This will take some time,

please wait.......................please wait.......................

You can now go ahead and run the preparation on the subsequentYou can now go ahead and run the preparation on the subsequentnode(s) while this process completes.node(s) while this process completes. (execute the merge script on(execute the merge script onsecondary server)secondary server)

Running Rapid Clone with command...Running Rapid Clone with command...


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environmentenvironmentperl adpreclone.pl appltop mergeperl adpreclone.pl appltop mergeRunning adgenhfver.pl with command...Running adgenhfver.pl with command...

perl /u02/ppformstest/testappl/ad/11.5.0/bin/adgenhfver.pl isPrimary=nperl /u02/ppformstest/testappl/ad/11.5.0/bin/adgenhfver.pl isPrimary=napplsysusr=APPLSYS tempdir=/u02/ppformstest/testcomn/tempapplsysusr=APPLSYS tempdir=/u02/ppformstest/testcomn/temp

Please enter the APPS User [APPS]: appsPlease enter the APPS User [APPS]: appsPlease enter the APPS password:


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environmentenvironment As the manifest is generated, copy theAs the manifest is generated, copy the

contents of clone directory undercontents of clone directory under

$COMMON_TOP/clone/appl/$COMMON_TOP/clone/appl/from secondary server onto the primaryfrom secondary server onto the primaryserver directoryserver directory

$COMMON_TOP/clone/appl/ on node 1.$COMMON_TOP/clone/appl/ on node 1.


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environmentenvironment In order to generate a new autoconfig.xml for the merged APPL_TOP,In order to generate a new autoconfig.xml for the merged APPL_TOP,

execute the following the rapid clone script on Node 1. The clone scriptexecute the following the rapid clone script on Node 1. The clone scriptmerges the APPL_TOPs; by comparing the template files on the Forms tiermerges the APPL_TOPs; by comparing the template files on the Forms tierwith concurrent manager clone directory.with concurrent manager clone directory.

perl adcfgclone.pl appsTierperl adcfgclone.pl appsTierThis script is widely used during rapid clone process where it asks serious ofThis script is widely used during rapid clone process where it asks serious ofquestions related to the new environment and based on the new location,questions related to the new environment and based on the new location,server etc, the script recreates the environment. During the merge process,server etc, the script recreates the environment. During the merge process,following information will be displayed in the log file. Log file would reflectfollowing information will be displayed in the log file. Log file would reflectchanges that occurred during the merge and file names and versions copiedchanges that occurred during the merge and file names and versions copiedfrom the two APPL_TOPs.from the two APPL_TOPs.

Executing merge appl top for JRI mergeExecuting merge appl top for JRI mergemerge jri files with command:merge jri files with command:JRI log file located at,JRI log file located at,$APPL_TOP/admin//out/jri_logfile.txt$APPL_TOP/admin//out/jri_logfile.txt

JRI report file located at, $APPL_TOP/admin//out/jri_report.txtJRI report file located at, $APPL_TOP/admin//out/jri_report.txt


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Generate JAR filesGenerate JAR files

Generate message filesGenerate message files

Relink executablesRelink executables


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Enable shared file system on theEnable shared file system on the

Primary ServerPrimary Servercd $FND_TOP/patch/115/bincd $FND_TOP/patch/115/bin

perlperl --I $AU_TOP/perl txkSOHM.plI $AU_TOP/perl txkSOHM.pl

Absolute path of Application's Context XML file:Absolute path of Application's Context XML file:$APPL_TOP/admin/DEV_NODE1.xml$APPL_TOP/admin/DEV_NODE1.xml

Type of Instance [primary/secondary] : primaryType of Instance [primary/secondary] : primary

Absolute path of 8.0.6 Shared Oracle Home :Absolute path of 8.0.6 Shared Oracle Home :/u02/devora/806/u02/devora/806

Absolute path of iAS Shared Oracle Home :Absolute path of iAS Shared Oracle Home :/u02/devora/iAS/u02/devora/iAS

Absolute path of config top : /u02/devcomn/conf/node1Absolute path of config top : /u02/devcomn/conf/node1


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Adding new nodes toAdding new nodes to

Application file systemApplication file system Using a single disk resource, shared Application file system shouldUsing a single disk resource, shared Application file system should

be mounted onto secondary server or Node 2, to configurebe mounted onto secondary server or Node 2, to configureadditional nodes. Source the current environment file, and executeadditional nodes. Source the current environment file, and executethe following command to add new nodes.the following command to add new nodes.

$ cd $AD_TOP/bin$ cd $AD_TOP/bin$$ perl adclonectx.pl sharedappltopperl adclonectx.pl sharedappltop

contextfile=$APPL_TOP/admin/DEV_NODE1.xmlcontextfile=$APPL_TOP/admin/DEV_NODE1.xmlFollowed byFollowed by$ cd $AD_TOP/patch/115/bin$ cd $AD_TOP/patch/115/bin$ perl$ perl --I /perl txkSOHM.plI /perl txkSOHM.plBefore executing this script, a separate directory to store instanceBefore executing this script, a separate directory to store instance

specific tech stack file should be created. If you have more than 2specific tech stack file should be created. If you have more than 2nodes in your setup, above script can be used to additional nodes.nodes in your setup, above script can be used to additional nodes.


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Major Operating SystemMajor Operating System

requirementsrequirementsAll Application nodes should be running onAll Application nodes should be running on

the same operating system with similarthe same operating system with similar

kernel and OS patches.kernel and OS patches.

Shared File System is supported only inShared File System is supported only inUNIX. Windows operating system is notUNIX. Windows operating system is not

supported.supported.


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Shared Disk resource systemShared Disk resource system

management solutionsmanagement solutions Disk mustbe shared among multiple servers toDisk mustbe shared among multiple servers to

support the architecture.support the architecture.

Adequate protection against single point ofAdequate protection against single point offailure.failure.

Robust SolutionRobust Solution -- NAS/SAN configurations whichNAS/SAN configurations whichincludes Sun StorageTek, Red Hat Linux Globalincludes Sun StorageTek, Red Hat Linux Global

File System, VERITAS File System, Network FileFile System, VERITAS File System, Network FileSystem (NFS) mounted disk or a disk array,System (NFS) mounted disk or a disk array,NetApps custom solution for Oracle shared fileNetApps custom solution for Oracle shared filesystem and Dell's equal logic SANsystem and Dell's equal logic SAN


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ExampleExample

DNS Mapping

http://apps.itc.com ..192.168.100.10

http://apps.itc.com .. 192.168.100.10

http://apps.itc.com .. 192.168.100.10


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QuestionsQuestions

??

Documents

VP Shared File System