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Oracle® Enterprise Manager Cloud Control Upgrade Guide
12c Release 1 (12.1.0.1)
E22625-09
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22 Creating Link to Upgraded Oracle Management Repository


Note:

Follow these instructions only if you are upgrading using the 2-System upgrade approach. Perform these steps in the Enterprise Manager Grid Control console of the earlier release.

As a prerequisite for upgrading your Enterprise Manager system using the 2-System upgrade approach, you are required to back up your existing database first, and then upgrade the Oracle Management Repository (Management Repository) that is configured in it. This is to ensure that the upgraded Management Repository coexists with the earlier release of the Management Repository.

However, after you upgrade the Management Repository in the backed up database, link it to your earlier release of the Management Repository so that the two repositories are linked with each other, and any operations on the upgraded repository can be directly done from the old repository.

To link the earlier release of the repository to the upgraded repository, follow these steps:

  1. In Grid Control, click Deployments.

  2. On the Deployments page, in the Upgrade section, click Enterprise Manager 12c Upgrade Console.

  3. On the Upgrade Console page, in the Select Upgrade Type section, select 2-System. For information about these upgrade approaches, see "Understanding Upgrade Approaches".

    Enterprise Manager Grid Control refreshes the page and displays a table with a list of tasks you need to perform for the upgrade approach you selected.

  4. In the OMS Upgrade Steps section, from the table, click Create Link to Upgraded Repository.

  5. On the Create Upgraded Oracle Management Repository Link page, in the Repository Link Details section, do the following:

    1. Enter the connect string to connect to the upgraded Management Repository that will be used by Enterprise Manager Cloud Control.


      Note:

      You will find the connect string set as a value to the EM_REPOS_CONNECTDESCRIPTOR parameter of the emgc.properties file. This file is present in the OMS Instance Base directory (gc_inst). When you enter this value as the connect string, remove all backslashes (\) and white spaces if any.

      For example, the value in the emgc.properties file might be:

      (DESCRIPTION\=(ADDRESS_LIST\=(ADDRESS\=(PROTOCOL\=TCP)(HOST\=example.com)(PORT\=1521)))(CONNECT_DATA\=(SID\=emrep)))

      When you enter this value as the connect string, it must look like this:

      (DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=example.com)(PORT=1521)))(CONNECT_DATA=(SID=emrep)))

      If you connect using service name instead of SID, then replace SID in the syntax with SERVICE_NAME.


    2. Enter the SYSMAN password of the upgraded Management Repository that will be used by Enterprise Manager Cloud Control.

    3. Enter the SYS password of the old Management Repository.

  6. Click Create DB Link.


Note:

If you had already provided these details and linked the two repositories, and if you are updating the connect descriptor or the SYSMAN password, then click Re-create DB Link.