Tuesday, July 14th, 2009
Someone sent me a link to this article on twitter which I think harmonises with what we are trying to achieve through Nuage.
http://raydepena.posterous.com/cloud-computing-why-is-it-needed-for-the-smal
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Tags: cloud computing, small business, sme
Thursday, July 2nd, 2009
Our two primary datacentres are located in East London (Stratford) and West London (Slough). Our backup facilities are based in Chicago.
Commercial Power
- Two separate power feeds provided by LE and EDF.
- Power supplied from two separate substations. Four transformers at 3,750 KVA each.
- Four PDUs (power distribution units) in our data room, each having primary and backup.
- The facility uses one CPS (continuous power supply) that serves our data room (N+1).
Generator
- Building can operate at 100% connected load on five HiTecs and two standby generators.
- Six PowerWave ’state-of-the-art’ UPS systems continuously generating power for N+1 redundancy.
- The PowerWave system feeds redundant switchgear providing power to mission critical loads.
- Two 2-megawatt standby generators serve facility essential loads. N+1 capacity.
- One 2-megawatt stationary load bank, for bypass testing and duty cycle maintenance.
DC Power System
- The data room has a 1600 AMP redundant DC battery system.
Diesel Fuel Supply
- 20,000 gallons on-site. The facility is also on the emergency fuel list.
HVAC (Heating, Ventilation and Air-Conditioning)
- 3,350 tons total refrigeration capacity with N+2 redundancy (5 chillers at 670 tons each).
- Seven 30-ton CRAC (Computer Room Air Conditioner) units inside our data room.
- Five cooling towers
- Five chilled water pumps
- Five condenser water pumps
- Five chemical treatment stations
Fire Suppression
- Dry pipe, pre-action system enabled by activation of VESDA (Very Early Smoke Detection Alarm) and / or smoke detectors. Loss of air pressure in the pipes caused by a broken sprinkler head will cause water to discharge only if smoke detection is present. The system is monitored 24×7 by onsite personnel.
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Tags: allways available, backup, business IT on demand, cloud computing, hosted solutions, redundancy