{"id":630,"date":"2008-07-24T01:40:38","date_gmt":"2008-07-24T05:40:38","guid":{"rendered":"http:\/\/onlineappsdba.com\/index.php\/2008\/07\/24\/domain-administration-managed-server-cluster-in-oracle-weblogic\/"},"modified":"2017-02-28T10:21:18","modified_gmt":"2017-02-28T14:21:18","slug":"domain-administration-managed-server-cluster-in-oracle-weblogic","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2008\/07\/24\/domain-administration-managed-server-cluster-in-oracle-weblogic\/","title":{"rendered":"Domain , Administration & Managed Server, Cluster in Oracle WebLogic"},"content":{"rendered":"

This is next post in series “Learn Oracle WebLogic with Us<\/strong>“. Next\u00a0Step after Oracle WebLogic Installation <\/strong><\/a>\u00a0is to create Domain<\/strong>.
\nBefore creating domains let us understand Domain<\/strong>, Administration Server<\/strong>, Managed Server<\/strong> and Cluster <\/strong>in Oracle WebLogic.<\/p>\n

In next post\u00a0We’ll learn how to create basic Domain (Administration Server<\/strong> only) and Domain with\u00a0Managed Server Cluster<\/strong> (one Administration Server\u00a0and two Managed Server in cluster)\u00a0using Configuration Manager<\/strong>.
\nWhat is domain in WebLogic<\/u> ?<\/span><\/strong><\/p>\n

\"WebLogic<\/a><\/p>\n

Domain is logical grouping of resources and services and consist of\u00a0Administration Server<\/strong>, Managed Server<\/strong> and cluster<\/strong>.\u00a0 There can only be one administration Server in domain and\u00a0zero to N<\/strong>\u00a0Managed Server.<\/p>\n

.<\/p>\n

.
\nWhat is Administration Server<\/u> ?<\/strong><\/span><\/p>\n

Administration Server is WebLogic Server instance <\/strong>that maintains configuration data for a domain. You can deploy your application on administration Server but it is recommended to create managed Server and deploy your application in managed server and leave Administration domain for configuration and maintenance.<\/p>\n

—There will always be atleast one Administration Server in a domain.<\/p>\n

.<\/p>\n

.
\nWhat is Managed Server<\/u> ?<\/span><\/strong><\/p>\n

Any WebLogic Server instance apart from Administration Server<\/strong> is called as Managed Servers<\/strong>. This is weblogic server where you deploy your application (Though you can deploy your application in Administration server as well but it is not recommended in production\/UAT instance)<\/p>\n

.<\/p>\n

.<\/p>\n

What is Cluster in WebLogic<\/u> ?<\/span><\/strong><\/p>\n

Group of WebLogic Managed Server Instances that work together to provide high availability and scalability for applications is called cluster. WebLogic Servers\u00a0with in cluster can run on same machine or different machines. These are also called as managed Server cluster.<\/p>\n

.<\/p>\n

.<\/p>\n

Things you should know before creating domain in WebLogic Server<\/u> ?<\/span><\/strong><\/p>\n

— <\/strong>You use configuration wizard<\/strong> to create or extend domain but this can be used only in offline mode<\/strong> (when weblogic server is not running)
\n—<\/strong> You can also use WLST<\/strong> (WebLogic Scripting Tool), command line tool to create and extend domains in WebLogic Server.
\n—<\/strong> You can also use unpack<\/strong> command to create new domain. This command can’t<\/strong> be used to extend domain.
\n—<\/strong> Extending a domain means<\/strong>, you already created domain and now wish to extend it (use more application, add managed server, create cluster…)
\n—<\/strong> Configuration wizard can be run in Graphical Mode (interactive GUI) or Console Mode (interactive text based)
\n—<\/strong> For silent mode<\/strong> use WLST (WebLogic Scripting Tool)
\n—<\/strong> While creating domain you specify Startup Mode <\/strong>(Development<\/strong> or Production<\/strong>). In development mode, you get autodeploy<\/strong> option and security is low. In production mode you need username\/password to deploy applications.
\n—<\/strong> When you create domain, it creates following directories
\ni) <\/strong>autodeploy ii) <\/strong>bin iii)<\/strong> config (config.xml<\/strong> for domain sits here)\u00a0 iv) <\/strong>console-ext v)<\/strong> lib vi)<\/strong> security vii)<\/strong> servers<\/p>\n

–You use config.cmd<\/strong> (windows) or config.sh<\/strong> (unix) from $BEA_HOME\/ wlserver_<ver>\/ common\/ bin<\/strong> to start configuration manager<\/strong> to create domain<\/p>\n

Below Flowchart (image from Oracle Documentation) displays steps to create domain<\/span>.
\n\"Create<\/a><\/p>\n

Did you get a chance to download Free Interview Questions related to WebLogic? If not, download it here\u00a0http:\/\/k21academy.com\/weblogic-interview-question<\/a><\/p>\n

\"weblogic<\/a><\/p>\n

 <\/p>\n

\n

Learn Oracle Weblogic Server Administration<\/h2>\n

 <\/p>\n

If you want to learn Oracle WebLogic Server Administration with tons of additional features like Live Interactive Sessions, Life time access to membership portal, Free re-taking sessions for next one year, Dedicated Machine to practice, On Job Support and much moreClick here to\u00a0know more<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

This is next post in series “Learn Oracle WebLogic with Us“. Next\u00a0Step after Oracle WebLogic Installation \u00a0is to create Domain. […]<\/p>\n","protected":false},"author":115,"featured_media":11270,"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":[217],"tags":[],"class_list":["post-630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-weblogic"],"yoast_head":"\nDomain , Administration & Managed Server, Cluster in Oracle WebLogic -<\/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\/2008\/07\/24\/domain-administration-managed-server-cluster-in-oracle-weblogic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Domain , Administration & Managed Server, Cluster in Oracle WebLogic -\" \/>\n<meta property=\"og:description\" content=\"This is next post in series “Learn Oracle WebLogic with Us“. 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