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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

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Microsoft and Facebook's transatlantic cable completed

In 2018 'MAREA' will move ads and Azure from USA to Spain at 160 terabits per second

Construction of Microsoft and Facebook's jointly-funded submarine cable has ended.…

Cloud washes Dell off perch atop storage market

Backup appliance sales go off a cliff, traditional array vendors just aren't growing

Sales of purpose-built backup appliances have dropped markedly, with year-on-year dips of 16.2 per cent by revenue and 14.9 per cent by capacity according to analyst firm IDC's Worldwide Quarterly Purpose-Built Backup Appliance Tracker for 2017's second quarter.…

Cisco puts UCS director on death row, to be replaced by cloudy 'Intersight'

The Borg assimilates the infrastructure-as-code message

Cisco has announced that UCS Director will ascend into the cloud as part of a new infrastructure management service named “Intersight”.…

Blame Canada? $5.7m IBM IT deal balloons to $185m thanks to 'an open bag of money'

With all their hockey hullabaloo, and that crazy payout too

A CA$5.7m IBM contract to update payroll systems for the Canadian government has turned into a CA$185m boondoggle for the Great White North. That's $4.62m and $150m in US currency, respectively.…

Nothing to see here, folks, literally... Citrix mysteriously pulls NetScaler downloads

Builds yanked offline for a week in bug riddle

Citrix has temporarily suspended its NetScaler downloads due to an unspecified, and possibly security-related, issue.…

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