Tags » Data Guard

Oracle's HA Service Level Tiers

This white paper on HA Best Practices and DBaaS is pretty interesting, especially for its definitions of “HA Service Level Tiers”:


  • Single-instance database.
  • DR: Requires restore from the last backup, potential for data loss.
  • 79 more words

Oracle Data Guard Switchover via DGMGRL vs. #em12c

When you start to look at high availability and replication of data many people look at either Oracle Data Guard or Oracle GoldenGate. Personally, I opt for Oracle GoldenGate; however, it is not always the best fit for smaller environments where cost is a concern. 1,027 more words


Create a Standby Database using EM12c

I wanted to make this a quick post, because a friend was mentioning a slight problem during a manual set up of Data Guard. I told him you could do it through EM, and then recalled that I had documented it a while back. 544 more words

Enterprise Manager

How To Setup Active Data Guard with Oracle 11gR2 ?

Setup Active Data Guard Steps (Oracle 11gR2)


I. Preparing the Primary Database for Standby Database Creation

1, Determine is force logging is enabled, if not, enable force logging. 369 more words


Building A Single Instance Physical Standby For A RAC Primary...Or..Active Dataguard, Save My (Daily) Data!

Today we are going to embark on the adventure of building an Active DataGuard database (the “standby”) with a two-node RAC as the source (the “primary”). 4,446 more words


Increasing Oracle Database Availability with Fast-Start Failover

Good post by  Scott Jesse, Bill Burton, Bryan Vongray (thank you)

Fast-Start Failover is a feature that allows the Oracle Data Guard broker to failover a failed primary database automatically to a predetermined standby database. 24 more words


Setting up a Physical Standby Data Guard on Oracle 11gR2

What is a Data Guard ?

Data Guard is a high availability solution developed by Oracle in order to maximize  the real time data availability.

1,126 more words