{"id":52,"date":"2006-09-21T11:17:00","date_gmt":"2006-09-21T15:17:00","guid":{"rendered":"http:\/\/onlineappsdba.com\/?p=52"},"modified":"2008-06-25T14:56:26","modified_gmt":"2008-06-25T18:56:26","slug":"implementing-shared-appl_top-or-application-tier","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2006\/09\/21\/implementing-shared-appl_top-or-application-tier\/","title":{"rendered":"Implementing Shared APPL_TOP or Application Tier"},"content":{"rendered":"<p>Lets continue with how to configure shared Application Tier ( Earlier used to called as shared APPL_TOP) .<\/p>\n<p>If you have reached here via search engine &amp; haven&#8217;t read overview of shared APPL_TOP or shared application tier then I&#8217;ll recommend you go through it at mentioned at end of this post in related posts heading.<\/p>\n<p>From now onwards I&#8217;ll discuss shared application tier &amp; shared APPL_TOP interchangeably.<\/p>\n<p>There are two scenarios in which you want to configure Shared Application tier like<br \/>\n1. You want to configure shared APPL_TOP at install time itself (During Initial Build\/Fresh Install)<br \/>\n2. You already have multi node Installation and want to configure Shared APPL_TOP.<\/p>\n<p><strong>In case of fresh Install or configure shared application tier via Installer<\/strong><br \/>\nYou first find a file system &amp; share it across all servers ( Usually ask unix team to do so). Lets assume you want to configure shared appl_top on machine 1, 2 and 3 . Assume you have file system \/u01\/shared\/appl_top, \/u01\/shared\/comn_top, \/u01\/shared\/ora_top local to any of these servers or on any file server like SAN or NAS , then mount it to all these three servers with same mount points assume in our case we mounted like<br \/>\n<strong>\/u01\/shared\/appl_top, \/u01\/shared\/comn_top, \/u01\/shared\/ora_top<\/strong><br \/>\nThen when rapid installer asks for mount points give shared mount points from all three or more machines. Rest Leave on Installer \ud83d\ude42<\/p>\n<p><strong>In case to configure shared Application Tier on already installed multiple node<\/strong><br \/>\n1. There is some minimum software version for some component you need , make sure you have appropriate version if not upgrade them . For version check metalink Note referenced at bottom of this in Related links section.<br \/>\n2. Then you need to enable Autoconfig if you already don&#8217;t have Autoconfig enabled : To check more on Autoconfig visit <a href=\"http:\/\/teachmeoracle.com\/autoconfig.html\">http:\/\/teachmeoracle.com\/autoconfig.html<\/a><br \/>\n3. If your exisiting xml file ( CONTEXT file) is of format SID.xml then you need it in format SID_HOSTNAME.xml ( This way each server will recognize its xml\/context file ) . You can do same by perl script adclonectx.pl<br \/>\n4. Shared file system across all machine with same mount point as done above<br \/>\n5. You then finally run autoconfig to configure shared application tier<\/p>\n<p>Related Links<br \/>\n==============<\/p>\n<p><a href=\"http:\/\/becomeappsdba.blogspot.com\/2006\/09\/shared-appltop-in-oracle-apps-basics.html\">Overview of Shared APPL_TOP &amp; Application Tier<\/a><\/p>\n<p>Metalink Note #<br \/>\n<a href=\"https:\/\/metalink.oracle.com\/metalink\/plsql\/ml2_documents.showNOT?p_id=233428.1\">233428.1<\/a> Sharing the Application Tier File System in Oracle Applications 11i<br \/>\n<a href=\"https:\/\/metalink.oracle.com\/metalink\/plsql\/ml2_documents.showNOT?p_id=243880.1\">243880.1<\/a> Shared APPL_TOP FAQ<\/p>\n<p class=\"blogger-post-footer\">http:\/\/teachMeOracle.com\/forum<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lets continue with how to configure shared Application Tier ( Earlier used to called as shared APPL_TOP) . If you [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-52","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Implementing Shared APPL_TOP or Application Tier -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineappsdba.com\/index.php\/2006\/09\/21\/implementing-shared-appl_top-or-application-tier\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Implementing Shared APPL_TOP or Application Tier -\" \/>\n<meta property=\"og:description\" content=\"Lets continue with how to configure shared Application Tier ( Earlier used to called as shared APPL_TOP) . 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