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”:

BRONZE

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

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

Database

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)

03/14/2014

I. Preparing the Primary Database for Standby Database Creation

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

Technology

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

Databases

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

Information

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.

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