Original Post can be viewed at ORA-7445 core dump [kokscold()+849] from EM 12c

The first problem reported by my EM 12c is an ORA-7445 error. After checking the alert log following is the exact message: Sun Feb 19 12:09:41 2012 Errors in file /u01/app/oracle/diag/rdbms/pkldb/pkldb/trace/pkldb_j035_14712.trc (incident=52961): ORA-07445: exception encountered: core dump [kokscold()+849] [SIGSEGV] [ADDR:0x50] [PC:0x115E16F] [Address not mapped to object] [] Incident details in: /u01/app/oracle/diag/rdbms/pkldb/pkldb/incident/incdir_52961/pkldb_j035_14712_i52961.trc From the incident trace [...]

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Original Post can be viewed at EM12c:Automated discovery of Targets

In this post we will discuss the Automated discovery of Targets in Enterprise Manager Cloud Control(EM 12c). Once you have installed agents, you can schedule automatic discovery of new targets. Let’s get started 1)Click on Add Target>Configure Auto Discovery from the Setup menu 2)Click the Configure icon in the Multiple Target-type Discovery on Single Host row in [...]

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Original Post can be viewed at Em12c:Silent Oracle Management agent Installation

This Post would describe how to install Oracle Management Agent 12c in silent mode. We need to download the agent software which can be done using emcli utility which is present on OMS host.Login to OMS host and execute emcli utility as mentioned below [oracle@oradbdev04]~/Middleware/oms/bin% emcli login -username=sysman Enter password Login successful We need to now [...]

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Original Post can be viewed at Get Upgrading: Upgrade to Enterprise Manager Cloud Control 12c

This post describes the steps to upgrade an existing 11g Enterprise Manager Grid Control (11.1.0.1.0) to 12c (12.1.0.1.0). The Complete Upgrade process will be carried out under 3 different stages: 1. Patch existing 11g OMS to get the 12c upgrade console. 2. Deploy and Configure 12c agents. 3. Upgrade 11g OMS to 12c. The approach used [...]

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Original Post can be viewed at Retrieving Database SID,Port information from Grid Control repository

This is short posting on sql which can be used to get Hotsname,SID,Port information for databases registered in Grid Control repository. This information can be  used to create a tns entries and we can further use it to run a sql on all these databases. set pages 999 lines 200 col host for a50 col [...]

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Original Post can be viewed at ‘Metric execution timed out’ error reported by Grid

We use 10.2 Enterprise Manager Grid control  to monitor our oracle database environments . Apart from the normal metrics provided by oracle we also use host based and sql user defined metrics which allows you to monitor almost anything . Coming back to the main issue, following error was reported from one of the monitored [...]

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Original Post can be viewed at Installing 10.2.0.5 EM using software-only on 10.2.0.4/11g DB (GUI)

In this article , I will discuss how to install 10.2.0.5 EM Grid using 10.2.0.4 database. This method can also be used with 11g database.When you carry out 10.2.0.1 EM Grid control installation, it creates a 10.1.0.4 Database by default which is no longer supported and  requires one to upgrade to supported release i.e 10.2. [...]

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Original Post can be viewed at Grid Control Fails to Start

The link for Grid Control was not Working and it failed to show the login page. In this situation  checked the following things: 1. The repository database was up and running 2. The listener was up. 3. OMS server was down. Tried to stratup the OMS server using opmnctl startall command, but it showed following [...]

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Original Post can be viewed at DBConsole Issue on RAC -Part II

Continuing with DBConsole issue, we were able to get the cluvfy return success for the nodes. Basically Oracle suggested us that when we use ssh we should not get any banner. E.g [oracle@PROD01 ~]$ ssh PROD02 date Fri Jun 13 02:00:41 IST 2008 But in our case it was displaying a banner which displayed a [...]

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Original Post can be viewed at DBConsole Issue on RAC -Part I

Currently I am working on issue where DBConsole is not starting on our 2 Node RAC system. When I try to start, I get following errors [oracle@PROD01 ~]$ emctl status dbconsole TZ set to US/Pacific Exception in getting local host java.net.UnknownHostException: PROD01: PROD01 at java.net.InetAddress.getLocalHost(InetAddress.java:1191) at oracle.sysman.emSDK.conf.TargetInstaller.getLocalHost (TargetInstaller.java:5561) at oracle.sysman.emSDK.conf.TargetInstaller.main (TargetInstaller.java:4126) Exception in getting local [...]

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