Radore Data Center

Located in MetroCity, Radore Data Center provides services with a total power capacity of 3.7MW and high security precautions.

Data Center

Infrastructure

Facility

Radore Data Center operates in a total technical space of 1.040 m2. The data center is located on the -4th floor of MetroCity in the Levent of Istanbul. The construction of MetroCity was completed in 2002 and the complex was opened to public in 2003. MetroCity is built in conjunction with Istanbul’s underground line.

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Turkey’s Internet infrastructure is planned and set up tracing the underground transportation lines. Located in a strategically important spot with respect to Internet, Radore’s Internet infrastructure directly connects to the Internet Service Providers. Radore’s central location enables easy access from anywhere in the city. MetroCity is being monitored twenty-four hours a day, seven days a week, via its advanced security systems, fire detection and extinction systems and smoke evacuation systems.

The MetroCity building was constructed in accordance with the NFPA standards. Precautions to ensure the fire extinction systems work effectively in case of an earthquake were taken and throttling valve systems were installed. In addition, there are fire brigade connection points on building entrances so that the fire station can interfere effectively in case of emergency.

Power

Radore Data Center has a total power capacity of 4.2 MW, 1.6 MW of which is allocated for white space, 1 MW for office space and 1.6 MW of which is spare. Power for the data center is supplied via three different distribution transformers, two of which are main and one is spare. These power distribution units, which are located in MetroCity, are property of Radore. Radore Data Center’s transformers are connected to the medium voltage ring network, which enables feeding from two locations in cases of need for backup.

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The Synchronization Control Grid follows the power flow instantly for the transitions (generator-generator, transformer-transformer and generator-transformer) and conducts the transitions automatically in cases of breakdown, low/insufficient voltage or frequency. The UPS infrastructure steps in during transitions, which can last up to 30 seconds, providing uninterrupted power supply. The battery pack of the UPS system has a minimum runtime of 15 minutes.

Behind the transformer system equipped with backup and automated transition, there are three 1,100 kVA Caterpillar (CAT) diesel generators waiting on standby and automatic mode ready to produce power for the data center in case the utility power supply should be interrupted. These generators are supplied by two fuel tanks with 3,500 m3 capacity and one fuel tank with 10,000 m3 capacity which belong to Radore and one shared fuel tank of MetroCity with a capacity of 30,000 m3. In case of power cuts, one of the tanks works actively, while the other feeds the active one to maintain uninterrupted power.

The UPS system utilized in Radore Data Center is configured in form of 4x(N+N) and 1x(N+1) redundancy.

There are five different UPS systems in the UPS infrastructure of the data center:

  • 1st Group 15x50 kVA Newave (ABB) Modular UPS, (N+N)
  • 2nd Group 10x100 kVA Newave (ABB) Modular UPS, (N+N)
  • 3rd Group 10x100 kVA Newave (ABB) Standalone UPS (N+N)
  • 4th Group 5x100 kVA Newave (ABB) Standalone UPS (N+1)
  • 5th Group 5x50 kVA Newave (ABB) Modular UPS (N+N)


The white spaces, network infrastructure and offices are supplied by power lines A and B. Power line A is fed by the 1st and 2nd group UPS devices and power line B is fed by the 3rd and 4th group UPS devices. In addition, the office area and network infrastructure are supplied by the 5th group UPS devices which are assigned to these areas only and provide power for a minimum of 60 minutes.

Power for the server racks is supplied by a backed up "busbar" system. The busbar system prevents cable-hardware chaos and provides endurance against natural disasters. With busbar, troubleshooting is made easier and the cooling system works more efficiently.

Along with the backed up busbar system, the server racks are backed up by two different Power Distribution Units (PDU) which are supplied by two different UPS units.

Cooling

Air in Radore’s white spaces is cooled using the "free cooling" technology. "Free cooling" is an economic method of using low external air temperatures to assist in chilling water, which can then be used for climatization. Components of the "free cooling" infrastructure that Radore Data Center uses consist of:

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  • 3 x 840 kW RC chillers (external units to cool the water)
  • Sensitive RC air-conditioners providing air circulation inside the data center (internal units)
  • Pumps required to provide the necessary pressure for carrying the water between the above two units

30-35°C hot air trapped in the hot air corridors of the data center is absorbed by sensitive air-conditioning units and cooled by the cold water coming from the chillers until it reaches a temperature of 16-23°C. The chilled air is immediately directed to the cold air input of the server systems. When the ambient air temperature drops to a set temperature, a processor can by-pass an existing chiller giving energy savings of up to 70%, without compromising cooling requirements. Energy savings decrease Radore’s annual PUE ratio below sector average.

Radore Data Center possesses 5,850,000 BTU active and 2,900,000 BTU spare cooling power. The whole cooling infrastructure is configured with N+1 redundancy.

Physical Security

Radore Data Center is monitored by cameras physically and digitally, twenty-four hours a day, seven days a week. Apart from the authorized staff, access into MetroCity out of hours as specified by the MetroCity management is not allowed. Power and cooling units are located on a different floor than the data center. Only Radore’s authorized staff can enter this area.

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All visitors to the data center, including customers, are accompanied by authorized Operation Center officials.

In addition to the physical security provided by MetroCity, all means of access to Radore Data Center are monitored digitally and physically 24/7 and the footage is being recorded.

Along with the physical security measures, Honeywell air sampling smoke detectors are in place for fire detection. The fire extinguishing system is provided by Siemens and 3M branded, Novec 1230, FM200 and aerosol powder technology fire suppression systems. The office and data center spaces are guarded 24/7 with humidity and water sensors.

Network

Certified with G-ISS-125 as Internet Service Provider, Radore is authorized by the Information Technologies and Communication Authority to provide Internet access and hosting services. Radore Data Center offers Internet access via 3 different Internet service providers (Türk Telekom, Türk Telekom International and optionally Telecom Italia/Seabone). In addition, Radore peers* with 7 different service providers over the Turkey Network Infrastructure Platform (TNAP).

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From its locality, Radore can connect directly to the fiber infrastructures of Türk Telekom, Türk Telekom International, Superonline, Vodafone, TurkNet and Grid Telekom. A fully redundant connection is established through Brocade NetIron XMR 16000 routers holding a total capacity of 1.6 Tbit/s. Radore customers connect to the network backbone via Brocade MLXe-16 aggregation routers with full redundancy. Brocade ServerIron ADX 1000 switches are used for load balancing of Internet services.

10 Gbit ethernet interfaces are used in Radore’s network infrastructure. 100 Gbit ethernet access capacity is also available on demand. Thanks to the high capacity used in the network, Radore Data Center can meet instant or permanent capacity needs of its customers without making any physical or software changes on the network. According to needs, redundant Internet access can be provided independent from a single service provider. All network devices on the level of the main backbone are supplied by a backed up energy source.

Brocade products are being used on the network layer of the data center backbone; Riorey and Citrix products are used along with Brocade products for services such as DDoS firewall, TCP multiplexing and load balancing. Switches used in the racks can be chosen among Dell or Brocade products.

(*) Peering: Voluntarily sharing access equities in order to exchange the traffic among users of different Internet service providers.

Monitoring

Radore Data Center Infrastructure team is responsible for the follow-up, monitoring and maintenance of the power, cooling and security components that make up the data center’s infrastructure. All components of the infrastructure are monitored non-stop by the infrastructure team with procedures of daily, weekly and monthly periodical maintenance. Parameters of the energy distribution systems are monitored and measured 24/7 via the Energy Quality Analyzer. The white spaces and office areas are monitored via the Fire Warning Switchboard; the white spaces are additionally monitored 24/7 by heat, humidity and water level sensors installed in 26 different spots. As to the cooling infrastructure, water discharge of the chiller compressors, incoming and outgoing water temperatures, as well as ambient air temperature are measured daily.

For the sustainability of redundant Internet access Radore provides for its customers, the Radore Network Team monitors all components of the network backbone instantaneously, twenty-four hours a day, seven days a week. Incoming and outgoing data are followed via the Sflow software in the network infrastructure and the server can be controlled instantly using the Argus software.

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