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Cloud Design Areas Hello and welcome to Open Cloud Design.  We are a team of cloud architects and engineers whose goal is to disseminate useful, concise, timely information, in an open and honest manner.  I.e.

Latest Articles

Centos 7 Released

CentOSCentos 7 was released on 7/7/2014.  Here's some useful info, new feature highlights and download links.  Enjoy.


  • Centos
  • Linux

Open vStorage - Open Source SDS

Open vStorageI recently came across an exciting technology called Open vStorage from CloudFounders that provides an abstraction layer between the storage presented to the virtual machines and the backend object storage.  

This abstraction layer provides the following functionality:


  • Storage
  • SDS
  • Software Defined Storage
  • SSD caching
  • PCIe caching

Converged Storage - Some Available Options - Part 2

This is the second part of a two part article on converged storage solutions.  Part 1 is here.  Part 1 dealt with vSphere VSANEMC ScaleIO,​ Atlantis ILIO USXStorMagic SvSAN and Maxta SDS.  In this second instalment I'll try to consisely summarise:


  • VSA
  • virtual SAN
  • Converged storage
  • VDI

Centos 6.5 NFS Server Suitable for Cloudstack

Centos​In the past I have had the odd bit of difficulty with getting Cloudstack to work with a freshly built NFS server as either primary or secondary storage.


  • Storage
  • NFS
  • Cloudstack

E-Volo Volocopter VC200 - 18 Rotor, Electric 'Helicopter'

E-Volo Volocopter VC200 ​​This caught my eye recently and thought I would post a link.  According to what I have read this 18 rotor VTOL vehicle is much easier to fly that a helicopter, can handle the failure of 2 non-adjacent batteries, has a parachute deployable in the event of system failure, can fly for around 20 minutes and is made of carbon fibre and fibreglass.


  • Helicopter
  • Transport

Bootstrap Puppet in Kickstart Script within Cobbler

CobblerPuppetLabsIn this short article I am going to quickly demonstrate the use of Kickstart, via Cobbler, to install the Puppet agent on a new Centos 6.5 server.

This article is a follow-on to two previous articles:


  • Kickstart
  • Cobbler
  • Puppet
  • Automation
  • Operations

Install Puppet 3.6.1 on Centos 6.5

Puppet Logo

Puppet is an increasingly popular, cross platform, scalable automation infrastructure.  It comes in two versions - a community edition and an enterprise version.  For further information about Puppet and the differences between the two versions, please refer to the PuppetLabs website or directly to the version comparison page.  This article deals with the installation of the community release of the product.  A summary of software versions are as follows:


  • Puppet
  • Puppetlabs
  • Automation

Cobbler Installation on centos 6.5

Cobbler is a powerful and flexible Linux based provisioning system that can help bring order and control to your server provisioning activities.  To quote the Cobbler website: Cobbler can help with provisioning, managing DNS and DHCP, package updates, power management, configuration management orchestration, and much more.

This covers the installation of the command line based provisioning engine as well as the web based component.  It shows how to install the latest (currently available) version of Cobbler, 2.4.4, on Centos 6.5


  • Cobbler
  • PXE
  • DHCP
  • DDNS

Latest News

If you're looking for bad news about Microsoft, top tip: look away now

Satya's on several cloud nines – as in, billions of dollars

Microsoft boss Satya Nadella march into the cloud seems to be paying off for the Windows 10 and Office 365 giant: on Thursday, the biz announced its sales for Q3 2018 jumped 16 per cent.…

Red Hat sticks its storage software cap on Supermicro hardware

Software-defined storage meets single SKU-ery

Open-source software house Red Hat has jumped into bed with Supermicro to produce a single system combining its storage software with the server maker's hardware.…

Noise from blast of gas destroys Digiplex data depot disk drives

Nordic Nasdaq knocked as deleterious decibels crashed servers

It's a bit rich when a fire prevention system designed to protect a data centre kills its servers, but that's what happened when inert gas was injected into a Nasdaq Digiplex bit barn in Sweden.…

Top IT Priority: Cloud. AI, Not So Much

IT organizations are focused on the cloud right now with automation and big data analytics also ranking pretty high on their to-do lists. AI, machine learning, and blockchain are down very low on the list of priorities.

O2 UK wafts 4G coverage over 1,000 new Brit sites

Small operator starts LTE building following spectrum splurge

O2 is enlarging its 4G footprint across Blighty to an extra 1,000 sites, after splurging £205m gobbling up all the available LTE spectrum at Ofcom's recent auction.…

Who will fix our Internal Banking Mess? TSB hires IBM amid online banking woes

Plus: CEO waives overdraft fees to keep customers on side

In the midst of its six-day online banking meltdown, which is showing no sign of letting up, TSB has hauled in the systems integration big gun or as it is otherwise known, IBM.…