{"id":2733,"date":"2013-12-10T04:12:00","date_gmt":"2013-12-10T03:12:00","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/oracle-database-12c-new-features-uninstaller-encapsulated-into-installation-media-1\/"},"modified":"2013-12-10T04:12:00","modified_gmt":"2013-12-10T03:12:00","slug":"oracle-database-12c-new-features-uninstaller-encapsulated-into-installation-media-1","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/oracle-database-12c-new-features-uninstaller-encapsulated-into-installation-media-1\/","title":{"rendered":"Oracle Database 12c New Features: Uninstaller encapsulated into installation media"},"content":{"rendered":"<p><img decoding=\"async\" class=\"blog-image aligncenter\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/2e1ax_default_entry_Oracle_12c_Plug.jpg\" alt=\"\" \/><\/p>\n<p>Among the Oracle 12c New Features, there is the addition of an uninstall tool encapsulated in the Oracle database binaries. You do not need to download the deinstallation tool for Oracle products anymore (deinstall utility). This blog posting features an overview of this tool and its functionnalities.<\/p>\n<h3>Uninstalling Oracle 12c products<\/h3>\n<p>There are two possibilities if you want to uninstall Oracle 12c products (Oracle database, Oracle Grid infrastructure or Oracle client):<\/p>\n<ol>\n<li>Running the deinstallation tool with the runInstaller command using the parameters \u2013desinstall and \u2013home from ORACLE_HOME\/oui\/bin\/<\/li>\n<li>Using the deinstallation tool which is also available as a separate command in the ORACLE_HOME deinstall directory after the installation of the Oracle product. It is located in ORACLE_HOME\/deinstall. In this posting I am going to speak about the second solution.<\/li>\n<\/ol>\n<p>This new deinstallation command line tool uses information gathered from the environment and information provided (if necessary) in order to create a parameter file. It is also possible to use the template parameter file located under ORACLE_HOME\/deinstall\/response. The deinstallation tool automatically stops Oracle software, and removes Oracle software and configuration files on the operating system.<\/p>\n<p>As the Oracle documentation explains in the documentation, it is important to take into consideration the following:<\/p>\n<p>&#8220;If the oraInventory contains no other registrered home besides the home that you are deconfiguring and removing, then the deinstall command removes the following files and directory contents in the Oracle base directory of the Oracle Database installation owner<\/p>\n<ul>\n<li>admin<\/li>\n<li>cfgtoollogs<\/li>\n<li>checkpoints<\/li>\n<li>diag<\/li>\n<li>oradata<\/li>\n<li>flash_recovery_area<\/li>\n<\/ul>\n<p><em>Oracle strongly recommends that you configure your installations using an Optimal Flexible Architecture (OFA) configuration, and that you reserve Oracle base and Oracle home paths for exclusive use of Oracle software. If you have any user data in these locations in the Oracle base that is owned by the user account that owns the Oracle software, then the deinstall command deletes this data.&#8221;<\/em><br \/>\nUsing the deinstallation tool is a straightforward process. You simply have to execute the deinstall tool from ORACLE_HOME\/deinstall directory a demonstrated below.<\/p>\n<h3>Testing the uninstall feature<\/h3>\n<p>Let&#8217;s test this deinstallation tool with the command deinstall from $ORACLE_HOME\/deinstall:<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-bash-3.2$ cd \/u00\/app\/oracle\/product\/12.1.0\/db_0_1\/deinstall\/\n-bash-3.2$ .\/deinstall\nChecking for required files and bootstrapping ...\nPlease wait ...\nLocation of logs \/u00\/app\/oraInventory\/logs\/\n\n\n############ ORACLE DEINSTALL &amp; DECONFIG TOOL START ############\n######################### CHECK OPERATION START #########################\n\n## [START] Install check configuration ##\nChecking for existence of the Oracle home location \/u00\/app\/oracle\/product\/12.1.0\/db_0_1\nOracle Home type selected for deinstall is: Oracle Single Instance Database\nOracle Base selected for deinstall is: \/u00\/app\/oracle\nChecking for existence of central inventory location \/u00\/app\/oraInventory\nChecking for sufficient temp space availability on node(s) : 'vmtestoel01'\n## [END] Install check configuration ##\n\nNetwork Configuration check config START\nNetwork de-configuration trace file location: \/u00\/app\/oraInventory\/logs\/netdc_check2012-07-29_03-00-16-PM.log\nNetwork Configuration check config END\n\u00a0\nDatabase Check Configuration START\nDatabase de-configuration trace file location: \/u00\/app\/oraInventory\/logs\/databasedc_check2012-07-29_03-00-17-PM.log\nUse comma as separator when specifying list of values as input\nSpecify the list of database names that are configured in this Oracle home []:\nDatabase Check Configuration END\n\u00a0\nOracle Configuration Manager check START\nOCM check log file location : \/u00\/app\/oraInventory\/logs\/\/ocm_check8060.log\nOracle Configuration Manager check END\n######################### CHECK OPERATION END #########################\n\n####################### CHECK OPERATION SUMMARY #######################\nOracle Home selected for deinstall is: \/u00\/app\/oracle\/product\/12.1.0\/db_0_1\nInventory Location where the Oracle home registered is: \/u00\/app\/oraInventory\nChecking the config status for CCR\nOracle Home exists with CCR directory, but CCR is not configured\nCCR check is finished\nDo you want to continue (y - yes, n - no)? [n]: y\nA log of this session will be written to: '\/u00\/app\/oraInventory\/logs\/deinstall_deconfig2012-07-29_03-00-14-PM.out'\nAny error messages from this session will be written to: '\/u00\/app\/oraInventory\/logs\/deinstall_deconfig2012-07-29_03-00-14-PM.err'\n\n######################## CLEAN OPERATION START ########################\nDatabase de-configuration trace file location: \/u00\/app\/oraInventory\/logs\/databasedc_clean2012-07-29_03-00-37-PM.log\nNetwork Configuration clean config START\nNetwork de-configuration trace file location: \/u00\/app\/oraInventory\/logs\/netdc_clean2012-07-29_03-00-37-PM.log\nDe-configuring backup files...\nBackup files de-configured successfully.\nThe network configuration has been cleaned up successfully.\nNetwork Configuration clean config END\n\u00a0\nOracle Configuration Manager clean START\nOCM clean log file location : \/u00\/app\/oraInventory\/logs\/\/ocm_clean8060.log\nOracle Configuration Manager clean END<\/pre>\n<p style=\"text-align: left;\">Setting the force flag to false<br \/>\nSetting the force flag to cleanup the Oracle Base<br \/>\nOracle Universal Installer clean START<br \/>\nDetach Oracle home &#8216;\/u00\/app\/oracle\/product\/12.1.0\/db_0_1&#8217; from the central inventory on the local node :Done<br \/>\nDelete directory &#8216;\/u00\/app\/oracle\/product\/12.1.0\/db_0_1&#8217; on the local node : Done<br \/>\nThe Oracle Base directory &#8216;\/u00\/app\/oracle&#8217; will not be removed on local node. The directory is not empty.<br \/>\nOracle Universal Installer cleanup was successful.<br \/>\nOracle Universal Installer clean END<\/p>\n<p>## [START] Oracle install clean<br \/>\n##Clean install operation removing temporary directory &#8216;\/tmp\/deinstall2012-07-29_03-00-00PM&#8217; on node &#8216;vmtestoel01&#8217;<br \/>\n## [END] Oracle install clean ##<\/p>\n<p>######################### CLEAN OPERATION END #########################<\/p>\n<p>####################### CLEAN OPERATION SUMMARY #######################<br \/>\nCleaning the config for CCR<br \/>\nAs CCR is not configured, so skipping the cleaning of CCR configuration<br \/>\nCCR clean is finished<br \/>\nSuccessfully detached Oracle home &#8216;\/u00\/app\/oracle\/product\/12.1.0\/db_0_1&#8217; from the central inventory on the local node.<br \/>\nSuccessfully deleted directory &#8216;\/u00\/app\/oracle\/product\/12.1.0\/db_0_1&#8217; on the local node.<br \/>\nOracle Universal Installer cleanup was successful.<br \/>\nOracle deinstall tool successfully cleaned up temporary directories.<br \/>\n#######################################################################<br \/>\n############# ORACLE DEINSTALL &amp; DECONFIG TOOL END #############<\/p>\n<p>Do not forget to remove the deinstallation script in \/tmp.<\/p>\n<p>In my case, the desinstallation directory in \/tmp directory used about 500MB of disk space as presented below:<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-bash-3.2$ du -hs \/tmp\/deinstall2012-07-29_02-58-14PM\/\n545M \/tmp\/deinstall2012-07-29_02-58-14PM\/<\/pre>\n<p>&nbsp;<\/p>\n<p>It is possible to specify some options for the desinstallation tool. These options can be listed with the help option such as demonstrated below:<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">oracle@vmtestoel01:\/u00\/app\/oracle\/product\/12.1.0\/db_0_1\/deinstall\/ [] .\/deinstall -help\n\ndeinstall\n [ -silent ]\n [ -checkonly ]\n [ -local ]\n [ -paramfile ]\n [ -params ]\n [ -o ]\n [ -tmpdir ]\n [ -logdir ]\n [ -help : Type -help to get more information on each of the above options. ]<\/pre>\n<p>&nbsp;<\/p>\n<h3>Conclusion<\/h3>\n<p>Having the deinstallation tool encapsulated into the Oracle Installation Media is definitively an added value compared to the previous version. This tool is easy to use and allows configuring a parameter file in order to use it in a batch process. However, I have encountered strange problems with this tool in some specific context, such as demonstrated below. Unsetting the ORACLE_HOME solved the issue in my case.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">Network de-configuration trace file location: \/u00\/app\/oraInventory\/logs\/netdc_check2012-07-29_02-57-35-PM.log\n#\n# A fatal error has been detected by the Java Runtime Environment:\n#\n# SIGSEGV (0xb) at pc=0x00007f923401f933, pid=27863, tid=1087699264\n#\n# JRE version: 6.0_31-b02\n# Java VM: Java HotSpot(TM) 64-Bit Server VM (20.6-b01 mixed mode linux-amd64 compressed oops)\n# Problematic frame:\n# C [libclntshcore.so.12.1+0x204933] long+0x33\n#\n# An error report file with more information is saved as:\n# \/tmp\/deinstall2012-07-29_02-57-21PM\/hs_err_pid27863.log\n#\n# If you would like to submit a bug report, please visit:\n# http:\/\/java.sun.com\/webapps\/bugreport\/crash.jsp\n# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug.\n#<code><\/code><\/pre>\n<p><code>\u00a0<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Among the Oracle 12c new features there is the addition of an uninstall tool encapsulated in the Oracle database binaries. There is no more the necessity to download the deinstallation tool for Oracle products (deinstall utility). In this blog I propose an overview of this tool and its functionnalities.<\/p>\n","protected":false},"author":10,"featured_media":2734,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[42],"tags":[326,101,209,44],"type_dbi":[],"class_list":["post-2733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-systems","tag-binary","tag-installation","tag-oracle-12c","tag-troubleshooting"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Oracle Database 12c New Features: Uninstaller encapsulated into installation media - dbi Blog<\/title>\n<meta name=\"description\" content=\"Among the Oracle 12c new features, there is the addition of an uninstall tool encapsulated in the Oracle database binaries. You do not need to download the deinstallation tool for Oracle products anymore (deinstall utility). This blog posting features an overview of this tool and its functionnalities.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/oracle-database-12c-new-features-uninstaller-encapsulated-into-installation-media-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle Database 12c New Features: Uninstaller encapsulated into installation media\" \/>\n<meta property=\"og:description\" content=\"Among the Oracle 12c new features, there is the addition of an uninstall tool encapsulated in the Oracle database binaries. You do not need to download the deinstallation tool for Oracle products anymore (deinstall utility). 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He is specialized in Oracle technologies and high availability solutions (Oracle DataGuard, Data Replication Block Device). His expertise also includes Avaloq banking applications, as well as the open source field (MySQL, Unix\/Linux, etc.). Gr\u00e9gory Steulet is \\\"Oracle Certified Professional 10g\\\", \\\"MySQL Cluster 5.1 Certified\\\", and \\\"Avaloq Certified Professional 2.6\\\". Prior to joining dbi services, Gr\u00e9gory Steulet was Senior Consultant at Trivadis in Lausanne. He also worked as IT Administrator at Box Telecom in Miami Beach, Florida (USA). Gr\u00e9gory Steulet has an Executive MBA from the International Institute of Management in Technology, Fribourg (CH). He also holds a Bachelor's Degree in Business Administration and Computer Science from the University of Applied Sciences Western Switzerland. His branch-related experience covers Telecommunications, Financial Services \/ Banking, Logistics, Pharma etc.\",\"url\":\"https:\/\/www.dbi-services.com\/blog\/author\/gregory-steulet\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Oracle Database 12c New Features: Uninstaller encapsulated into installation media - dbi Blog","description":"Among the Oracle 12c new features, there is the addition of an uninstall tool encapsulated in the Oracle database binaries. You do not need to download the deinstallation tool for Oracle products anymore (deinstall utility). 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He is specialized in Oracle technologies and high availability solutions (Oracle DataGuard, Data Replication Block Device). His expertise also includes Avaloq banking applications, as well as the open source field (MySQL, Unix\/Linux, etc.). Gr\u00e9gory Steulet is \"Oracle Certified Professional 10g\", \"MySQL Cluster 5.1 Certified\", and \"Avaloq Certified Professional 2.6\". Prior to joining dbi services, Gr\u00e9gory Steulet was Senior Consultant at Trivadis in Lausanne. He also worked as IT Administrator at Box Telecom in Miami Beach, Florida (USA). Gr\u00e9gory Steulet has an Executive MBA from the International Institute of Management in Technology, Fribourg (CH). He also holds a Bachelor's Degree in Business Administration and Computer Science from the University of Applied Sciences Western Switzerland. His branch-related experience covers Telecommunications, Financial Services \/ Banking, Logistics, Pharma etc.","url":"https:\/\/www.dbi-services.com\/blog\/author\/gregory-steulet\/"}]}},"_links":{"self":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/2733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/comments?post=2733"}],"version-history":[{"count":0,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/2733\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/media\/2734"}],"wp:attachment":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/media?parent=2733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/categories?post=2733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/tags?post=2733"},{"taxonomy":"type","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/type_dbi?post=2733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}