OCI Block Volume Replication Part 1 – Basics

Let’s talk about new OCI Cross-Region Block Volume Replication! I wanted to test this feature out as it can provide much needed help when you need to build your Disaster Recovery environment on different Region. In earlier cases we’ve used rsync for this, one great advantage with this new feature is that it uses Oracle’s…

OCI Transit Networking DNS part 1

First of all, big thanks for my colleagues Rob and Travis for giving me some good ideas on this post! I usually recommend Transit Networking for most of the implementations as it provides security and scalability for your OCI infrastructure. Transit networking means one of your VCN acts as a Hub and the other VCNs…

OCI High Availability Designs with Availability Domains

This is more generic post rather than technical. I usually get lot of questions in early phase on how we are going to place compute instances in different Availability Domains (AD’s) for high availability purposes. But first, what is an Availability Domain? Region can consist of one or more Availability Domains which are physically separated,…

OCI Private DNS part 1 – Configuration

I’ve wanted to write something about this topic for quite a while and finally OCI has released it’s first step of Private DNS capabilities! Why do I think this is a big thing? For example let’s say you need to have Hub & Spoke model with multiple VCNs, if you’ve wanted to resolve hostnames between…