Facilities
an average rack power density of
15kW – although the new install
provides high density environment up
to 20kW per rack where required.
Chris Flanagan comments “We’ve
basically created a datacentre within
our datacentre which provides almost
Tier IV levels of resilience as most
parts are 2N. In fact the whole of the
HACS installation is on UPS, including
the cooling. It’s efficient because we
only cool the equipment cabinets
which are in use. There is free cooling
on the chillers and we have much
higher return air temperatures using
HACS because of the segregation of
air streams, increasing the number of
free cooling hours we can achieve. We
encourage our customers to take
advantage of more energy efficient
anything from them other than a few approaches, so we don’t currently
Chris Flanagan takes up the story; racks. We could see that their charge a premium for locating servers
“Originally we thought the datacentre products were well engineered and in the high density space.”
had limited opportunities for well manufactured, and their
expansion – it had physical space and thoughtful design incorporated a lot of In addition to further advancing the
additional generating capacity for user friendly features. As part of our company’s energy efficiency, the high
example, but it had reached the limits research into the solution we also density installation also enhances
for UPS power protection and cooling visited an APC high density Fujitsu Services’ ability to meet
capacity. So to maximise the space installation, and on the basis of the customer needs: “When it comes to
utilisation and exploit the generator’s evidence we evaluated, we concluded hosting services we recognise that
spare capacity, we needed a solution that APC provided the best fit for our one size does not fit all, “ says Chris
which was separate from existing UPS requirement.” Flanagan. “We have a wide range of
power and chiller capacity which were customers, with diverse equipment
already well balanced to the existing Once the decision was made, Chris and as a result, diverse challenges.
need. Also it was crucial that any found the purchasing process from The standardisation which APC’s
proposed solution could not pose any APC was painless and the installation InfraStruXure® solution brings to the
threat to availability.” project was delivered on schedule and datacentre helps us to overcome
on budget. The installation caused no these challenges. In response, Fujitsu
The company evaluated a couple of downtime whatsoever and involved no Services are standardising on
solutions before settling on APC’s risk to either existing inventory or components like APC’s NetShelter®
InfraStruXure® with HACS. Says Chris client services. The Hot Aisle racks moving forward, and our new
Flanagan “we knew APC because Containment System has added datacentre has been designed to
we’d seen them at various trade around 20% capacity to the facilitate the adoption of the APC Hot
conferences, but we had never bought datacentre with 40 equipment racks at Aisle Containment System.”
As part of our research into the solution we also visited
an APC high density installation, and on the basis of
the evidence we evaluated, we concluded that APC
provided the best fit for our requirement
52 | DATA CENTRE SOLUTIONS | www.datacentresols.com September 2008
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