{"id":9149,"date":"2016-10-20T13:03:38","date_gmt":"2016-10-20T11:03:38","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/enterprise-manager-13-1-0-0-does-not-display-correct-values-for-memory\/"},"modified":"2016-10-20T13:03:38","modified_gmt":"2016-10-20T11:03:38","slug":"enterprise-manager-13-1-0-0-does-not-display-correct-values-for-memory","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/enterprise-manager-13-1-0-0-does-not-display-correct-values-for-memory\/","title":{"rendered":"Enterprise Manager 13.1.0.0 does not display correct values for memory"},"content":{"rendered":"<p>I recently had problems with Enterprise Manager 13.1.0.0, receiving such alerts:<\/p>\n<p>EM Event Critical hostname Memory Utilization is 93,205 % crossed warning (80%) or critical (90%)<\/p>\n<p>When we have a look at the EM 13c console for the host:<\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12325\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me1.png\" alt=\"me1\" width=\"215\" height=\"108\" \/><\/a><\/p>\n<p>On the system the free -m command displays:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle@host:~\/24437699\/ [agent13c] free -m\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 total\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 used\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 free\u00a0\u00a0\u00a0\u00a0 shared\u00a0\u00a0\u00a0 buffers\u00a0\u00a0\u00a0\u00a0 cached\nMem:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 48275\u00a0\u00a0\u00a0\u00a0\u00a0 44762\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3512\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 205\u00a0\u00a0 \u00a0\u00a0\u00a037483\n-\/+ buffers\/cache:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7073\u00a0\u00a0\u00a0\u00a0\u00a0 41201\nSwap:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8189\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2397\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5791\n\n<\/pre>\n<p>Em 13c does not take into account the buffer \/ cached component.<\/p>\n<p>In fact the memory calculation has changed from EM 12.1.0.5 and EM 13.1.0.0.\u00a0 According to Metalink Note 2144976.1:<\/p>\n<p>&#8220;While the total Memory available in the host target is displayed correctly after applying the latest PSU # 23030165 (Agent-Side 13.1.0.0.160429), the formula used for Memory Utilization is (100.0 * (realMem-freeMem) \/ realMem) and does not consider Buffers \/ Cached component for the calculation.&#8221;<\/p>\n<p>To solve the problem we have to patch the OMS and the different agents:<\/p>\n<p>For the oms: use the patch 23134365<\/p>\n<p>For the agents : use the patch 24437699<\/p>\n<p>Watch out, when you want to apply the 23134365 patch for oms, we have to install the latest version of omspatcher. We download \u00a0<a href=\"https:\/\/support.oracle.com\/epmos\/faces\/ui\/patch\/PatchDetail.jspx?parent=DOCUMENT&amp;sourceId=2135028.1&amp;patchId=19999993\">Patch 19999993<\/a> of Release 13.1.0.0.0 from MOS.<\/p>\n<p>We backup the OMSPatcher directory in the $ORACLE_HOME oms13c environment:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle:OMS_HOME:\/ [oms13c] mv OMSPatcher\/ OMSPatcher_save<\/pre>\n<p>then we copy and unzip the p19999993_131000_Generic.zip from the $ORACLE_HOME directory:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle:$OMS_HOME\/ [oms13c] unzip p19999993_131000_Generic.zip\nArchive:\u00a0 p19999993_131000_Generic.zip\n\u00a0\u00a0 creating: OMSPatcher\/\n\u00a0\u00a0 creating: OMSPatcher\/oms\/\n\u00a0 inflating: OMSPatcher\/oms\/generateMultiOMSPatchingScripts.pl\n\u00a0\u00a0 creating: OMSPatcher\/jlib\/\n\u00a0 inflating: OMSPatcher\/jlib\/oracle.omspatcher.classpath.jar\n\u00a0 inflating: OMSPatcher\/jlib\/oracle.omspatcher.classpath.unix.jar\n\u00a0 inflating: OMSPatcher\/jlib\/omspatcher.jar\n\u00a0 inflating: OMSPatcher\/jlib\/oracle.omspatcher.classpath.windows.jar\n\u00a0\u00a0 creating: OMSPatcher\/scripts\/\n\u00a0\u00a0 creating: OMSPatcher\/scripts\/oms\/\n\u00a0\u00a0 creating: OMSPatcher\/scripts\/oms\/oms_child_scripts\/\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/oms_child_scripts\/omspatcher_wls.bat\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/oms_child_scripts\/omspatcher_jvm_discovery\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/oms_child_scripts\/omspatcher_jvm_discovery.bat\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/oms_child_scripts\/omspatcher_wls\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/omspatcher\n\u00a0 inflating: OMSPatcher\/scripts\/oms\/omspatcher.bat\n\u00a0\u00a0inflating: OMSPatcher\/omspatcher\n\u00a0\u00a0 creating: OMSPatcher\/wlskeys\/\n\u00a0 inflating: OMSPatcher\/wlskeys\/createkeys.cmd\n\u00a0 inflating: OMSPatcher\/wlskeys\/createkeys.sh\n\u00a0 inflating: OMSPatcher\/omspatcher.bat\n\u00a0 inflating: readme.txt\n\u00a0 inflating: PatchSearch.xml<\/pre>\n<p>We check the OMSPatcher version:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle:\/ [oms13c] .\/omspatcher version\nOMSPatcher Version: 13.6.0.0.1\nOPlan Version: 12.1.0.2.2\nOsysModel build: Wed Oct 14 06:21:23 PDT 2015\n\u00a0\nOMSPatcher succeeded.<\/pre>\n<p>We download from Metalink the p23134265_131000_Generic-zip file, and we run:<\/p>\n<pre class=\"brush: actionscript3; gutter: false; first-line: 1\">oracle@host:\/home\/oracle\/23134365\/ [oms13c] omspatcher apply -analyze\nOMSPatcher Automation Tool\nCopyright (c) 2015, Oracle Corporation.\u00a0 All rights reserved.\nOMSPatcher version : 13.6.0.0.1\nOUI version\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 13.6.0.0.0\nRunning from\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : \/u00\/app\/oracle\/product\/13.1.0.0\/middleware\nLog file location\u00a0 : \/u00\/app\/oracle\/product\/13.1.0.0\/middleware\/\ncfgtoollogs\/omspatcher\/opatch2016-09-26_11-06-30AM_1.log\n\u00a0\nOMSPatcher log file: \/u00\/app\/oracle\/product\/13.1.0.0\/middleware\/\ncfgtoollogs\/omspatcher\/23134365\/omspatcher_2016-09-26_11-06-34AM_analyze.log\n\u00a0\nPlease enter OMS weblogic admin server URL(t3s:\/\/hostname:7102):&gt;\nPlease enter OMS weblogic admin server username(weblogic):&gt;\nPlease enter OMS weblogic admin server password:&gt;\n\u00a0\nConfiguration Validation: Success\n\u00a0\nRunning apply prerequisite checks for sub-patch(es) \"23134365\" \nand Oracle Home \"\/u00\/app\/oracle\/product\/13.1.0.0\/middleware\"...\nSub-patch(es) \"23134365\" are successfully analyzed for Oracle Home \n\"\/u00\/app\/oracle\/product\/13.1.0.0\/middleware\"\n\nComplete Summary\n================\n\nOMSPatcher succeeded.<\/pre>\n<p>We stop the oms and we run:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle@hostname:\/home\/oracle\/23134365\/ [oms13c] omspatcher apply\nOMSPatcher Automation Tool\nCopyright (c) 2015, Oracle Corporation.\u00a0 All rights reserved.\n\u00a0\nOMSPatcher version : 13.6.0.0.1\nOUI version\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 13.6.0.0.0\nRunning from\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : \/u00\/app\/oracle\/product\/13.1.0.0\/middleware\n\u00a0\nPlease enter OMS weblogic admin server URL(t3s:\/\/hostname:7102):&gt;\nPlease enter OMS weblogic admin server username(weblogic):&gt;\nPlease enter OMS weblogic admin server password:&gt;\n\u00a0\nConfiguration Validation: Success\n\u2026\n\nOMSPatcher succeeded.<\/pre>\n<p>We finally restart the OMS:<\/p>\n<p>oracle@hostname:\/home\/oracle\/ [oms13c] emctl start oms<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">Oracle Enterprise Manager Cloud Control 13c Release 1\nCopyright (c) 1996, 2015 Oracle Corporation.\u00a0 All rights reserved.\nStarting Oracle Management Server...\nWebTier Successfully Started\nOracle Management Server Successfully Started\nOracle Management Server is Up\nJVMD Engine is Up\nStarting BI Publisher Server ...\nBI Publisher Server Already Started\nBI Publisher Server is Up<\/pre>\n<p>&nbsp;<\/p>\n<p>Now we apply the patch to the agents:<\/p>\n<p>After downloaded and unzipped the p24437699_131000_Generic.zip, we stop the management agent and we run:<\/p>\n<pre class=\"brush: sql; gutter: false; first-line: 1\">oracle@hostname:\/home\/oracle\/24437699\/ [agent13c] opatch apply\nOracle Interim Patch Installer version 13.6.0.0.0\nCopyright (c) 2016, Oracle Corporation.\u00a0 All rights reserved.\n\u00a0\nOracle Home\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : \/u00\/app\/oracle\/product\/13.1.0.0\/agent\/agent_13.1.0.0.0\nCentral Inventory : \/u00\/app\/oraInventory\nOPatch version\u00a0\u00a0\u00a0 : 13.6.0.0.0\nOUI version\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 13.6.0.0.0\n\nOPatch detects the Middleware Home as \"\/u00\/app\/oracle\/product\/13.1.0.0\/agent\"\n\u00a0\nVerifying environment and performing prerequisite checks...\nOPatch continues with these patches:\u00a0\u00a0 24437699\n\u00a0\nDo you want to proceed? [y|n]\ny\nUser Responded with: Y\nAll checks passed.\nBacking up files...\nApplying interim patch '24437699' to \nOH '\/u00\/app\/oracle\/product\/13.1.0.0\/agent\/agent_13.1.0.0.0'\n\u00a0\nPatching component oracle.sysman.top.agent, 13.1.0.0.0...\nPatch 24437699 successfully applied.\n\u00a0\nOPatch succeeded.<\/pre>\n<p>Finally we restart the agent with the emctl start agent command.<\/p>\n<p>After the patches have been applied, the memory used displayed is correct:<\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12326\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me2.png\" alt=\"me2\" width=\"195\" height=\"98\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12327\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/me3.png\" alt=\"me3\" width=\"591\" height=\"72\" \/><\/a><\/p>\n<p>And we do not receive critical alerts anymore :=)<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I recently had problems with Enterprise Manager 13.1.0.0, receiving such alerts: EM Event Critical hostname Memory Utilization is 93,205 % crossed warning (80%) or critical (90%) When we have a look at the EM 13c console for the host: On the system the free -m command displays: oracle@host:~\/24437699\/ [agent13c] free -m \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 total\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 used\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 free\u00a0\u00a0\u00a0\u00a0 [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":9153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229],"tags":[215],"type_dbi":[],"class_list":["post-9149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-administration-monitoring","tag-oracle-enterprise-manager"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - 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