Did you ever want to have labs where you could play with different hypervisors withing a single virtual machine in your laptop? I know this sounds more like an INCEPTION remake than a decent requirement but you can’t blame us for being greedy knowing all what tools like virtualbox can help us do nowadays. To give …
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Intro GoldenGate replication solution allows you to capture, replicate, filter, transform, and deliver real time transactional data across Oracle or heterogeneous environments. Goldengate 12c features along with Oracle multitenant architecture introduced some changes to the way replication works (see Fig-1). Another interesting fact is that few of Oracle Streams features have now found their way …
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Intro Vagrant is an opensource tool for working with virtual environments (VirtualBox,HyperV,Vmware..etc). It provides a simple command-line client for managing these environments, using a text-file (VagrantFile) defining the attributes of each environment. To know more about vagrant you can try their getting started guide or consult the Vagrant official documentation. Vagrant cloud already offers a …
Read more “Vagrant: Create a Red Hat 8 base box packaged for Oracle 19c (Vbox)”
Intro Have you ever finished a lab in your laptop with several virtual machines connected to each other and thought “Well that was neat! but how can I create a backup in my external hard drive and run it again at work or in any other computer?” The answer lays in this very article. …
Read more “Clone a RAC 12c VM environment with Virtualbox (import/export)”
Intro Oracle Database Cloud Service (DBaaS) provides a platform to create full Oracle database instances in a virtual machine (VM). It’s the same familiar Oracle Database, now in Oracle cloud. Oracle made things even easier since you can now Sign Up for Free Oracle Cloud service and Get $300 of free credits good for up …
Read more “Oracle Cloud 2nd gen DBAAS Tutorial: Deploy a 2 Nodes RAC database service”
Introduction: Oracle provides many options for preventing downtime and data loss, all of which make up the Maximum Availability Architecture (MAA). The Oracle Maximum Availability Architecture offers a set of standard reference architectures–Bronze, Silver, Gold, and Platinum Solutions– that comply with Customer Business Objectives. With multiple instances, the RAC system gives a transparent HA and …
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Introduction: The goal of this section is to explore some of the Oracle Clusterware feaures as node fencing, callouts, as well as working with services and Policy managed servers . To know more about the cluster lab used in this article please have a look on my previous RACattack on Redhat 7 blog post >> …
6.Data Guard Administration In the Part II We will perform the following tasks in this lab to manage and validate the data guard configuration (followed in order). if you wonder how we got here check the Part I : Implementation 1. Configure the Data Guard Broker 2. Change the redo transport mode (via Broker/ sqlplus) …
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1. INTRODUCTION Data Guard started with a very simple database function designed to keep a synchronized database copy with a lot of manual work. It has now become a tool with automation, recovery and failover features. Oracle Data Guard remains the only solution available today with the best RPO and RTO benefits for businesses. This …
Read more “Deploying Oracle active Data Guard 12c on Windows servers part I”
7. FAST START FAILOVER 7.1 CONFIGURATION FAST START FAILOVER Fast start failover allows Data Guard to automatically failover to a previously selected standby database without human intervention. Data Guard monitors the status of the configuration continuously and triggers a failover if necessary.This architecture makes the fast-start failover ideal for high availability and disaster recovery. » …
Read more “Deploying Oracle active Data Guard 12c on Windows servers Part III (FAST START FAILOVER)”