At VMworld 2013, VMware announced vSphere 5.5. What's new in this release can
be found here and highlighted as follows:
The core vSphere ESXi Hypervisor enhancements in vSphere 5.5 include the
Hot-pluggable SSD PCIe devices Support for Reliable Memory Technology
Enhancements to CPU C-states
Virtual machine-related enhancements:
Virtual machine compatibility with VMware ESXi 5.5 Expanded support for
hardware-accelerated graphics vendor Graphic acceleration support for Linux
guest operating systems
vCenter Server enhancements include:
vCenter Single Sign-On Server security enhancements vSphere Web Client
platform support and UI improvements vCenter Server Appliance configuration
maximum increases Simplified vSphere App HA application monitoring vSphere
DRS virtual machine-virtual machine affinity rule enhancements vSphere Big
Data Extensions, a new feature ... (more)
OpenStack is an Infrastructure as a Service offering. (see my prior post for
an explanation of IaaS).
OpenStack is an OpenSource project, founded by RackSpace, NASA and others.
OpenStack can be deployed as a public or private cloud.
The OpenStack projects are: CINDER, GLANCE, KEYSTONE, NOVA, QUANTUM, SWIFT.
OpenStack Compute: (NOVA)
Project NOVA, or OpenStack Compute, provisions and manages on-demand virtual
machines and associated resources: CPU, Memory, Disk and Network.
Virtual machines can be started, stopped, suspended, created and deleted,
while network options for a ... (more)
Cloud computing is a general term for computing services delivered over the
Internet, as opposed to computing services hosted inside your own network; on
your own premises.
These computing services can be as simple as Internet based email or as
complex as a Customer Relationship Management (CRM) application.
Cloud computing offers cost savings, because users don't have to invest
capital budget to purchase hardware and software, nor expend the operating
costs of electric power, space and cooling for the hardware and employee
costs of maintaining the hardware and software.
The maj... (more)
This blog post is a summary of AWS (Amazon WebServices and is gleaned from
Jeff Barr's webcast, here: http://youtu.be/CaJCmoGIW24).
I will simply explain each box in the above picture, at a high level, and
explore further in future blog posts as I delve further into AWS.
(AWS is an abbreviation for Amazon Web Services)
Amazon Global Physical Infrastructure
AZ - Amazon zone - When you create an Amazon instance, you can select a
region for your instance - USA, Eerope, AsiaPacific, Government/Federal.
Separated zones - provided to allow for separate datacenters, power cooling
and hig... (more)
Following my high level description of OpenStack, I now delve in the install
This post is a manual install of OpenStack on Centos. Although the steps are
experience was that the output of each command results in text strings that
are required in subsequent commands. Thus I have colour coded each text
string output so that the text can be accurately used in subsequent commands.
(This is post one of five; posts two, three, four and five to follow will
detail the install of the... (more)