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 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 →
Background In my previous ORION Blog post I described how to prepare a Pure Storage FlashArray block volumes for use with Oracle ORION (ORacle IO Numbers), in this is Blog I am going to show how this can also be done with NFS. Getting Started - Storage Preparation For the purposes of this Blog I have... Continue Reading →
If you have followed my previous Oracle VM Blog posts you should have by now a working OVM deployment using either Block, NFS or both. I am now going to provide a walkthrough on how to import an Oracle VM Template. First start by visiting Oracle Technology Network and navigating to the Oracle VM Overview... Continue Reading →
In this short Blog I will show how you can create a new ZFS pool, file system and also show some other ZFS command on OEL7. ZFS installation on OEL7 # yum install -y yum-utils# yum-config-manager --enable ol7_developer_EPEL# yum install -y dkms# rpm -Uvh http://download.zfsonlinux.org/epel/zfs-release.el7_6.noarch.rpm# sudo yum install -y zfs# /sbin/modprobe zfs# systemctl -a |... Continue Reading →
Configuring OVM Networks Before we can present our iSCSI and NFS storage to our Oracle VM Server we need to configure a network. Oracle VM Manager provides a simple to use interface which can maintain the /etc/sysconfig/networking-scripts without the need of manual editing. In my lab I have a number of VLAN's configure on an... Continue Reading →
Background Today, I found myself needing to add 3 new disks to one of my Oracle database server VMware VM's, unfortunately I was unable to re-boot the server so I followed the steps below to add the new devices. Create LUN's using your storage platform and add add them to your Virtual Machine using... Continue Reading →
You may have read one of my previous posts Oracle 12c on Docker where I described how you can get hold of official Oracle images from the Docker Store. In this post I will share how you can now use the Oracle Container Registry to obtain Docker images for all licensable Oracle products. To access the Oracle... Continue Reading →
A question which I frequently get asked is, how do I a resize my Oracle XFS file system ? As I needed to resize an Oracle FRA area today, I thought this would make a great topic for a Blog post. Ok, lets start be checking the current size and geometry using the Linux df... Continue Reading →