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...Virtualisation...

  1. What is virtualisation?
  2. What are the benefits of virtualisation?
  3. Would virtualisation help in a disaster recovery situation?
  4. What about security? Is it safe to have all our systems together on one machine?
  5. What about integrating new systems, both hardware and software, can virtualisation help with that?

1. What is virtualisation? Page Top
Virtualisation is where multiple virtual machines run in isolation, side by side on the same physical machine.
Each virtual machine exists as a small set of files that simulate an entire hardware platform, including the CPU, RAM and network ports.
These ‘virtual machine’ files have similar properties as regular files and can therefore be saved, copied or moved very quickly from one physical machine to another.
2. What are the benefits of virtualisation? Page Top
The main benefits of virtualisation are reduced costs, both capital and operational; including reducing office space required to store multiple servers, reduced hardware and management costs and reduced power consumption
Both planned and unplanned downtime will be reduced meaning that your business can continue to function as close to 24/7 as possible.
3. Would virtualisation help in a disaster recovery situation? Page Top
Yes, disaster recovery procedures can be simplified, become more flexible and more cost effective by introducing virtualisation.
Downtime in the event of a system crash can also be vastly reduced and backup procedures can become extremely straightforward.
4. What about security? Is it safe to have all our systems together on one machine? Page Top
Even though each virtual server is stored on one machine there is no more risk than if they were stored in the traditional fashion on separate hardware.
The correct implementation of Virtualisation software, such as VMware ACE, means that organisations can increase data security and enable safe access to IT resources.
5. What about integrating new systems, both hardware and software, can virtualisation help with that? Page Top
Virtualisation comes into its own when your organisation is going through a period of change; such as acquiring a new company and their associated IT systems.
Changes to servers, such as adding additional software or data, can be made quickly and safely.
These changes can be tested before going live by creating a virtual copy of your current server on which changes can be made and tested with the safe knowledge that should anything go wrong the original is still there.

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