Data Center - New

We are in the stage of designing a server room in a new site. Site is ready with the layouts.
I need to know the following

1) Server Room readiness checklist and requirement (if any template please suggest)
2) Structured Cabling (Data / Voice) - if any templates are available (with proper labeling model)
3) UPS with backup batteries
4) HVAC requirements
5) Raised flooring  
6) Server Rack (we will have max 3 physical hosts and virtualise those to required number of servers)
7) PABX systems (prefer IP Phones)
8) Conference Room setup (with wireless access points and Audio/Video equipments)

I wanted to know what are the necessary imp points to consider for the above in a proper format.

Please share any template and if any documentations are available.
kurajeshSenior Systems AnalystAsked:
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David Johnson, CD, MVPOwnerCommented:
A server room can be 4 x 8 feet (32 sq ft) x 10ft (320 cubic feet) to 100,000 sq ft, do you have hot and cold lanes?

Location are you located at the north pole or at the equator (what is the average ambient temperature), At maximum load what are the current and the thermal load of all of the components.  Modern CPU's an SSD's don't generate as much heat as older cpu's and spinning disks. Everything generates heat including lighting and the UPS. What is the maximum temperature of the room to be. 80F? 70F? 60F?

6) Server Rack (we will have max 3 physical hosts and virtualise those to required number of servers) What about storage/networking..  how many U's are you planning on using up?  

There is no one size fit all template
Personally, I would avoid raised flooring.  It's a headache to access cable once you have 2-3,000# racks on top.

Some jurisdictions require an external EPO/panic button if there are hot power feeding under the floor.  This sinfor firefighter to kill all powwr before walking in.

Flat concrete slab is much easier to bolt down to, then run all wiring in troughs/ladders overhead, where tou can still trace it and replace it

You need a detailed list if your hardware, lighting, HVAC, and personnel and other heat loads.  Calculate your room volume, target temp, max temp, and you rate-of-rise berween your air conditioning powering off amd hitting thermal shutdown.

There is a compressor restart delay in larger HVAC systems.  Even if you switch to generator power, you may have a 5-15-minute delay for cooling to resume.

A 20-sq.ft closet that's 8ft tall and stacked full of gear will overheat in just a few minutes.  Starting temp of 75F with thermal shutdown at 100F ambient.

The same gear in a 10x15x9 room might have 10 minutes or more with 72F starting temp, and thermal shutdown at 100F.

It's all math.

This may also convince you to run a second cooling system in parallel or redundant.  Two systems are always better than one.  There will _always_ be downtime for maintenance/repairs.  It's not fun to run fans in the door to keep from crashing.

You should also do the math for that contingency.  If you need 90F max temp, and your ambient is 78F during an HVAC outage, your heat load will dictate jow many CFM of dans you meed to exhaust the room air.

Unlike humans, you can't just blow the air ariund the room.  You have to exhaust it, and replace with cooler air.

Also factor in your UPS heat.  Some larger units will generate 3-4,000 BTU in addition to the normal equipment-generated heat.

Whats gear will you be installing?
madunix (Fadi SODAH)Chief Information Security Officer Commented:
Some points:
- IT equipment should not be operated in data center where room temperature has exceeded 85°F (30°C).
-  In a data center or computer room, maintaining ambient relative humidity levels between 45% and 55% is recommended for optimal performance and reliability
- Escorting visitors is the most EFFECTIVE control over visitor access to a data center.
- Data center should be positive pressure – air flows out.
- Multiple components (N) have at least one (+1) independent backup component available = N+1
- Controls to detect threats to equipment include:  Temperature sensors, humidity sensors, water detectors, and smoke detectors
- In UPS (Battery) room could be used gas detector. Lead-acid batteries emit hydrogen, which is a highly explosive gas. Hydrogen detectors are a compensating control for ventilation system failure. All battery rooms should have hydrogen sensors as well as adequate ventilation systems.
- CCTV to determine who has accessed some rack/server and/or who entered the room, should be placed enters/exits the room and Back/front of each rack.

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