Sluice entry
Different levels of identification are applied to each visitor of the datacenter
Date/Time: Thu 31 Aug 2006 04:11:01 PM CEST
Different levels of identification are applied to each visitor of the datacenter with physical access control. one person passes at a time to enter the datacenter
UPS room - power cabinets
Electric circuit racks providing power A and B circuits with UPS power in case of power cut
Date/Time: Thu 31 Aug 2006 02:30:28 PM CEST
Electric circuit racks providing power A and B circuits with UPS power in case of power cut
UPS room - main control panel
UPS power synchronisation, synchronising power from UPS batteries and diesel generators
Date/Time: Thu 31 Aug 2006 02:30:47 PM CEST
UPS power synchronisation, synchronising power from UPS batteries and diesel generators
Battery room
Batteries on shelf are connected to the UPS room.
Date/Time: Thu 31 Aug 2006 02:45:25 PM CEST
Batteries on shelf are connected to the UPS controlling unit. They assure the immediate power supply in case of a network power cut. After a while the diesel generators will be ready to take over the power production for maximum independancy.
Generator power distribution panel
Power distribution panel managing emergency A and B power circuits
Date/Time: Thu 31 Aug 2006 02:55:01 PM CEST
Power distribution panel managing emergency A and B power circuits
Redundant emergency power production with two generators
If one generator fails, one still remains working
Date/Time: Thu 31 Aug 2006 02:57:01 PM CEST
Argon fire extinguish unit
Argon pipe circuits are connected to colocation rooms via fire alarm
Date/Time: Thu 31 Aug 2006 02:37:11 PM CEST
Argon fire extinguish unit
view on rows of gas-cylinders containing compressed Argon
Date/Time: Thu 31 Aug 2006 02:38:43 PM CEST
Warning sign colocation room entry
During a fire alarm colocation room will be flooded with Argon gas.
Date/Time: Thu 31 Aug 2006 04:09:07 PM CEST
Colocation room is ESD protected area
Persons entering the colocation room have to wear special anti-static overshoes. They also prevent dirt from entering the server room.
Date/Time: Thu 31 Aug 2006 04:05:57 PM CEST
Yellow ceiling fiber trays
Special trays seperating fragile fiber from other cabling and protect fiber from overbending on angles
Date/Time: Thu 31 Aug 2006 03:13:18 PM CEST
Special trays seperating fragile fiber from other cabling and protect fiber from overbending on angles
Redundant fiber entry
Redundant cityrings, entry ring east
Date/Time: Thu 31 Aug 2006 03:14:46 PM CEST
Redundant cityrings, entry ring east
Colocation racks
48U heigth and 1000mm depth for very long servers and enough space for organising cabling
Date/Time: Thu 31 Aug 2006 03:40:11 PM CEST
48U heigth and 1000mm depth for very long servers and enough space for organising cabling
Rack door
Providing access security and at the same time good airflow
Date/Time: Thu 31 Aug 2006 03:30:50 PM CEST
E-powerswitch for remote power cycling of server units
Remote power cycling of server units. Each server's power cord is connected to a dedicated power outlet of the E-powerswitch
Date/Time: Thu 31 Aug 2006 03:36:26 PM CEST
This units permits remote power cycling of server units. Each server's power cord is connected to a dedicated power outlet of the E-powerswitch
E-powerswitch
Web interface of E-powerswitch, each power socket is associated to a server device. Every connected device can be individually power cycled via the web interface thus reducing downtimes.
Date: 09/18/2006
Web interface of E-powerswitch, each power socket is associated to a server device. Every connected device can be individually power cycled via the web interface thus reducing downtimes.
E-powerswitch and server rear
Detail of 1U servers connected to E-powerswitch
Date/Time: Thu 31 Aug 2006 03:36:53 PM CEST
Detail of 1U servers connected to E-powerswitch
Console Port Management
SSH server with redirection to console on serial ports of servers. This device even permits to access the server's BIOS from a distance!
Date/Time: Thu 31 Aug 2006 03:49:52 PM CEST
Air conditionning of colocation room
HVAC display showing the current temperature in the colocation room. Recommended average temperature should range between 18-25°C.
Date/Time: Thu 31 Aug 2006 03:38:41 PM CEST
HVAC display showing the current temperature in the colocation room. The fresh air is blown into the technical floor and enters the racks at the bottom. Recommended average temperature should range between 18-25°C.
Technical floor
containing redundant 48V and 230V power A and B circuits, coax and Ethernet cable trays
Date/Time: Thu 31 Aug 2006 03:41:41 PM CEST
Colocation rack with view on top ventilator
The fresh air comes in from the technical floor and leaves the rack through the top ventilation
Date/Time: Thu 31 Aug 2006 03:47:42 PM CEST
The fresh air comes in from the technical floor and leaves the rack through the top ventilation, providing all equipment with constant temperature.
server rack airflow - thermal view
Thermal picture showing cold air coming in from the technical floor and hot air leaving the rack from the top ventilation
Date: 09/09/2006
Thermal picture showing cold air coming in from the technical floor and hot air leaving the rack from the top ventilation
Production loadbalancing setup with 9 servers
Front view of 1U servers with hot-swap hard disk bays. These servers are equiped with SATA2 RAID10 devices.
Date/Time: Thu 31 Aug 2006 04:03:25 PM CEST
Front view of 1U servers with hot-swap hard disk bays. These servers are equiped with SATA2 RAID10 devices. Two frontend servers are configured with Ultramonkey's ipvsadm and send the incoming requests persistantly to the servers in the load balanced pool : http://www.ultramonkey.org/papers/lvs_tutorial/html/