Ubuntu Automated Installation (For K8S)

Because I am doing a lot of testing it can be rewarding to do a complete re-installation of a Kubernetes cluster. As a result the only thing I disliked was the manual process of the Ubuntu installation.Here is a procedure to automate a complete Ubuntu installation and customize it. Requirements Before you can start, make … Read more

HX-CSI ReadWriteMany Block Device Example

ls block hx-csi

Specialized applications can need to read/write directly to a block device. The main use case are databases. A filesystem is more “human-readable” and it adds extra overhead. Instead of the filesystem, block devices are chosen more often. More information about Kubernetes can be found HERE. After the installation of Kubernetes and the HyperFlex Container Storage … Read more

HyperFlex 4.5 Container Storage Interface (HX-CSI) Installation

In a containerized environment, you need persistent volumes . With HyperFlex 4.5, iSCSI thisis possible. What are the difference between using iSCSI or CSI in a container. Information about Kubernetes Persistent Volumes can be found HERE. iSCSI can only do: ReadWriteOnce and ReadOnlyMany. HX-CSI can do both AND also ReadWriteMany. (Block) There is a very … Read more

Kubernetes Installation. [updated]

For the HyperFlex Container Storage Interface (HX-CSI) you will need a Kubernetes cluster. Here is the start of an image that have the right software on it and which you can clone before configuring Kubernetes. Start with a normal Ubuntu 18.04 installation. I just want to have certain versions of software and that is why … Read more