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Introduction to Zero Downtime (ZDT) Patching for Oracle Fusion Middleware / WebLogic Server (Doc ID 1942159.1)

Last updated on JULY 07, 2021

Applies to:

Oracle Fusion Middleware - Version 11.1.1.7.0 and later
Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Purpose

The purpose of this document is to describe Zero Downtime (ZDT) patching for Oracle Fusion Middleware (FMW) and WebLogic Server (WLS).

Details

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In this Document
Purpose
Details
 Introduction to Zero Downtime Patching (ZDT) for Oracle Fusion Middleware and Oracle WebLogic Server
 Identifying a Zero Downtime Patch
 Other Patch Uptime Options
 What is a Zero Downtime Patch?
 Applying a Zero Downtime Patch
 Prerequisites and Limitations for a ZDT Patch
 HA and Cluster Configuration
 ZDT applies only to the patched Component
 Oracle Homes
 Private and Shared Oracle Homes
 Applying a patch to Fusion Middleware Applications
 Applying a ZDT Patch In-Place
 Applying a ZDT Patch Out-of-Place

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