Ron Ekins' – Oracle Technology, DevOps and Kubernetes Blog
A technical resource for Data Professionals
I was recently asked 'How can I check to see if my storage supports 4K sector sizes, and if my Oracle 19c database is using it' ? In this post I will share how to check disk sector sizes from Linux, from Oracle Automatic Storage Management (ASM) and via the Oracle kfed utility. Traditional disk... Continue Reading →
Background In Getting started with the Oracle Database Kuberenetes Operator (OraOperator) I introduced the Oracle Database Kubernetes Operator and provided details on how to install and configure it for a single instance database running on Oracle Container Engine for Kubernetes (OKE) service within Oracle Cloud Infrastructure (OCI). In the post I share how I use... Continue Reading →
Introduction In a previous post last year I have shared how to install and configure the Oracle ZFS Storage Appliance simulator on VirtualBox, and also on VMware Fusion. Earlier this year I shared how to we can use the Oracle ZFA Storage VM to create an environment to experience Oracle Direct NFS (dNFS) with NFSv4.1... Continue Reading →
Introduction If you have been following my blog for a few years you may have already read some of my blogs on Ansible, or used seen some demos or even pulled some Ansible code from my GitHub repo I was recently asked How can I learn more about Ansible, and the how can I start... Continue Reading →
Introduction In a previous post I have shared how to install and configure the Oracle ZFS Storage Appliance simulator on VirtualBox, and also on VMware Fusion. In this post I am going to show how we can use an Oracle ZFS Storage Appliance simulator to provide an environment to learn about NFSv4.1 and Oracle Direct... Continue Reading →
Background This week I was asked an interesting question can Oracle dNFS and Oracle Recovery Manager (RMAN) use auto mounts, not knowing the answer I thought I better find out. What is Autofs ? Autofs, also known as automounter mounts filesystems on-demand when they are accessed rather than maintaining the mounts all the time. The... Continue Reading →
Background In my previous post I walked through how you can determine a vVOL FlashArray volume from a Linux device. In this post I will show how we can automate that process with Ansible using the same /dev/sdd Linux device and some code examples. Ansible Linux Facts Let's start by using the ansible_facts.devices to identify... Continue Reading →
Background I have recently seen an increase in the adoption of VMware Virtual Volumes (vVOLS), and a question which is frequently asked is: How I can identify the FlashArray volume from my Linux server ? Identify Linux Device In this example my Oracle database is using a Pure Storage FlashArray and has been migrated to... Continue Reading →
In this Blog I am going to show how we can use the Pure Service Orchestrator (PSO) Container Storage Interface (CSI) driver to deliver Persistent Storage to a 3 node Oracle Linux Cloud Native Environment (OLCNE) Kubernetes Cluster. For this Blog I will be using Vagrant and VirtualBox, if you have not already got Vagrant... Continue Reading →
Overview In this Blog I am going to provide a walthrough of my fully automated Oracle 18 Express Edition (XE) build on a Vagrant managed Oracle Linux VirtualBox virtual machine using Ansible and the Pure Storage FlashArray Ansible collection. I use vagrant up to start my Oracle VirtualBox virtual machine with the latest Oracle Linux... Continue Reading →