EM 24.1ai: How To Discover Single Instance High Availability (SIHA, Oracle Restart) Into OEM
(Doc ID 3049735.1)
Last updated on MARCH 21, 2025
Applies to:
Enterprise Manager for Oracle Database - Version 13.5.1.0.0 and laterInformation in this document applies to any platform.
Goal
This document is to discuss the different methods of discovering a High Availability Service (HAS) and Database in Enterprise Manager (EM) Cloud Control, including relevant background information and required prerequisites.
Solution
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In this Document
| Goal |
| Solution |
| A) Background Information |
| Discovery Concepts |
| Plug-ins |
| B) Prerequisites for SIHA target discovery |
| 1) An agent must be installed and running on the machine where the database target resides. |
| 2) The database plug-in which exists on the OMS must support the version of the database to be discovered |
| C) Discovering the SIHA (5 different ways to discover the database) |
| 1) SIHA Discovery using 'Guided Process' |
| HAS Target Discovery using 'Guided Process' |
| Database Target Discovery using 'Guided Process' |
| 2) SIHA Discovery using Manual Discovery |
| HAS Target Discovery using 'Manual Process' |
| Database Target Discovery using 'Manual Process' |
| 3) SIHA Discovery using Automatic Discovery of Targets |
| How to run "Run Discovery Now" |
| How to Promote the HAS |
| How to promote the Database Target |
| How to check HAS or Database or Listener target that has not been Automatically discovered? |
| 4) SIHA Discovery via EMCLI |
| The emcli add_target command for HAS target |
| The emcli add_target command for Database target |
| 5) SIHA Discovery using REST API |
| D) Troubleshooting Discovery Issues |
| References |