datatomix blog

data focused blog of Christian Johannsen

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Witness-Script for Nutanix Metro Availability (python)

Last week I had some conversations around our Metro Availability and a so called “witness”, a third observation instance. I already build a short how to with the vRealize Orchestrator but sometimes there´s no VMware 🙂 I decided to use… Weiterlesen →

Auto-Protect your new VM

One of the typical question customers ask is: “How can we automatically add a new virtual machine in a Nutanix protection domain?”. With VMware there are several options, like a vCAC post-customization trigger to vCO or AMPQ trigger for vCloud… Weiterlesen →

Witness for Nutanix Metro Availability

With Nutanix you have a powerful data protection solution: Metro Availability. You can just enable it within PRISM and administer it easily. Whilst I present this to more and more prospects there is always one thing to clarify: What happens if… Weiterlesen →

Nutanix PRISM automated with the vRealize Orchestrator

As an Ex-VMware Specialist for Automation and Orchestration I could not resist to use the python task from the last blog post in vRealize Orchestrator (aka vCenter Orchestrator, aka Dunes). So I configured the actual Appliance which has the REST… Weiterlesen →

Nutanix REST API with python

After some very effective new hire training sessions and some first customer meetings I thought it could be a good idea to wipe off the dust and do some python stuff. Maybe you know that Nutanix has a beautiful REST… Weiterlesen →

Nutanix, right?

As you might have noticed I´ve changed my job again. After a short intensive relationship with DataStax I had the opportunity to work for a company called Nutanix. With the knowledge to be part of a company with a perfect… Weiterlesen →

Spark vs. MapReduce Series – Part II – MapReduce

Yesterday I had the time to run my favourite example of MapReduce on my twitter data. And guess what, it´s WordCount 🙂 To be honest, this one is available in Hadoop, Spark and SolR and that´s the main reason for… Weiterlesen →

Spark is fine, but SparkR is…

Last week a potential customer asks for using Spark R on DataStax Enterprise and I had no clue if this could work. I decided to test the general possibility in my lab environment. After starting up my Cassandra and DSE… Weiterlesen →

Spark vs. MapReduce Series – Part I – Get some data

With this series I will try to show how to use Cassandra for storing data and how to use MapReduce or Spark to analyse data. First I have to store data in a Apache Cassandra database and my decision was… Weiterlesen →

Deploying Datastax Enterprise with Vagrant and bash

After configuring my new shiny MacBook I started to think about how to establish a Datastax Enterprise Environment on my Notebook. First I wanted to have it cost free and secondly automated, what took me to Vagrant and Virtualbox. I… Weiterlesen →

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