Utilising Virtualisation For Disaster Recovery - Part 1

According to Gartner, around 15-20 per cent of ITprovisioning cycle that would have been attributed to
workloads are already virtualised, and this figure couldhardware lead times and 64 days of resource effort
potentially treble to 50-60 per cent by 2012. Suchin racking and configuring the servers.
positive adoption is easily explained when youThe London Borough of Hillingdon now runs 94 virtual
consider that the resultant benefits read like an ITservers on just three physical machines which it
director's wish list. A typical virtual machineclaims is a 97 per cent reduction in server hardware -
environment brings significantly reduced hardware,saving it £20,000 per year by reducing power
energy and space costs - in terms of power andconsumption from 34kWh to 1.1 kWh and an extra
cooling alone, virtual servers are reckoned to be£50,000 per year by removing the need to expand
700-800% more efficient than a traditional server. Asits IT team.
well as the cost and environmental savings associatedThere are many more projects out there that prove
with consolidation, virtualisation can also helpthe theoretical benefits do indeed translate into
strengthen operational resilience and data security;reality, providing plenty of encouragement to those
expedite the provisioning and scaling of IT resources;still 'thinking about it' to get on and do it. But while
enable the rapid deployment of applications; andthe early majority ponder and plan, the early
streamline back-end administration.adopters are already focusing on the further
A recent virtualisation project by international lawleveraging of virtualisation technologies. They are
firm Irwin Mitchell affords a perfect illustration of itsstarting to look beyond their original software
potential. The firm was able to house 143 virtualdevelopment and server consolidation credentials and
machines on 11 physical servers, allowing the removalassess their suitability for one of the most critical
of 132 physical servers from its data centre; at thedisciplines within any modern day organisation -
same time it saved an average 201 days of thebusiness continuity.