11g+逻辑standby+滚动升级.pdf
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Maximum
Availability
Architecture
Oracle Best Practices for High Availability
Database Rolling Upgrade Using
Transient Logical Standby:
Oracle Data Guard 11g
Oracle Maximum Availability Architecture White Paper
May 2012
Maximum Availability Architecture
MAA - Database Rolling Upgrade Using Transient Logical Standby: Oracle Data Guard 11g Page 1
Database Rolling Upgrade Using Transient Logical Standby:
Oracle Data Guard 11g
Executive Summary ........................................................................................... 2
Overview: Rolling Database Upgrade with Transient Logical Standby ..... 3
General Restrictions .......................................................................................... 5
Rolling Upgrades Using a Transient Logical Standby .................................. 6
Confirm Data Type Support ........................................................................ 6
Conventions ................................................................................................... 8
Preparation Steps ........................................................................................... 8
Conversion to Logical Standby Steps .......................................................12
Create an Archived Redo Log Repository ...............................................13
Perform Patch Apply or Upgrade Steps ..................................................13
Create an Archived Redo Log Repository ...............................................15
Switchover ....................................................................................................15
Retransformation Into a Physical Standby Database .............................15
Switchback steps ..........................................................................................17
Cleanup steps ...............................................................................................18
Multiple Standby Database Considerations .................................................19
Fallback Best Practices ....................................................................................22
Backups .........................................................................................................24
Flashback Database .....................................................................................24
Downgrade ...................................................................................................25
Transient Logical Standby Fallback Considerations...............................25
Appendix A- Cloning the ORACLE_HOME to Apply a Patch set ........26
Appendix B- Using EDS with a Transient Logical Standby ......................27
Preparing EDS .............................................................................................27
Configuring EDS Logging Table Triggers ...............................................28
Removing EDS ............................................................................................28
References .........................................................................................................29
Change Record .................................................................................................30
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