32
Dealing with the demands of the
virtual world
OGY
Andrew Barnes, SVP corporate development, Neverfail suggests a number of
ways in which organisations can protect themselves during the physical to
virtual (P2V) process, and the importance of keeping Virtual Center up and
TECHNOL running at all times.
A
TION
It is well documented that to focus on platform VMware, provides exactly this
ALIZ
virtualization increases server availability yet it’s well capability not only for the
flexibility and utilisation while documented that application data center but also for
TU
reducing operational costs; failure or change management development and QA testing
VIR however, although the is more likely to interrupt environments, and virtualized
benefits are plentiful, business processes. Another desktops. This allows IT
organisations must also threat comes from administrators to make the
address some of the risks that components of the virtual most efficient use of their
come with moving to a virtual infrastructure itself. For hardware resources and
infrastructure, including example in a VMware development operations to
threats to continuous system deployment VMware Virtual quickly provision test systems
availability for more critical Center ( is a single point of for a variety of combined OS
applications that may be control for all the advanced and software platforms.
prone to resource conflicts virtualization features,
such as i/o and memory including rapid provisioning, The clear benefits of
contention. Additionally performance and resource virtualized technologies are
companies can be hesitant to optimisation and that they allow companies to
migrate their critical management – if Virtual increase their hardware
applications such as email Center fails then all the added utilisation (since most servers
over to virtual environments value of the virtual are typically underutilised)
in the event that unforeseen infrastructure tools comes and consequently decrease
issues arise during the under threat. In this article, their capital and operating
physical to virtual (P2V) Andrew Barnes, SVP corporate costs. Additional functionality
migration process. If a development, Neverfail can be delivered through
roadblock is met during this suggests a number of ways in resource tools such as
migration, IT will need to be which organisations can VMware’s® Distributed
able to easily failback to a protect themselves during the Resource Scheduling (DRS),
physical environment so users P2V process, and the which can optimise overall
can carry-on working as importance of keeping Virtual service levels by dynamically
planned. Center up and running at all and intelligently moving
times. workloads around the virtual
Furthermore once infrastructure to balance
organisations have made the The fundamental aim of loads more effectively. Of
transition to a virtual virtualization is after all to course, the fundamental
infrastructure, the need for enable server consolidation design of this approach,
business continuity still exists and containment by running running multiple virtual
and as yet, virtual platforms software applications on servers within a single
do not address application fewer servers. The physical host system,
availability, instead choosing virtualization market leader, inherently introduces new IT
MAR/APR 09 WWW.SNS-UK.CO.UK
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