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My day at work today (if you like cloud tech)

interesting.
 
do they ever use this stuff? its used alot in commercial construction to deter petty criminals getting into utility rooms and stealing equipment... copper etc.
 
Security-Mesh-Crowbar-Hole-in-Wall-pic.png

 
usually only installed AFTER theft though!!! lolol.
 
This room is a showcase room, so the front is all high impact lexan (so people can see it) with concrete walls on 3 sides and steel caging in the drop ceiling.
 
The two rack rows are hot side in (meaning exhaust goes into a center row that is sealed with rubber doors and extracts the heat through a negative pressure system.

In the pic I posted you are looking at the cool side where 66 degree air is piped into the servers for cooling.
 
All said and done, the two rack rows just for the hardware (not counting cooling/or the racks/or the room) is roughly about $7.5 to $8 million dollars.  
 
queequeg152 said:
how do you keep random f**k faces from shoving pencils into the fans and shit? id this stuff in a room with other peoples stuff, or is it in its own place with fancy keycards and shit.
Click to expand...
 
In a shared datacenter each company will have a "cage" full of racks to put their stuff.  They are usually keycard locked and key locked, and to get into datacenters is very high security.
 
If its one customers own datacenter then its open floor plan for the most part with even crazier security.  
 
I was at a ummm taxpayer funded datacenter where they will kill your ass if you try and break in :)
 
queequeg152 said:
steel cage? hope that shit is bonded to a grounding wire somewhere...
 
where can i see pictures of these cages and rubber plenum things?
Click to expand...
 
 
This is my own datacenter.  You can see this has rubber sealed metal doors.  Same type of deal, we are standing on the cold side and the chilled air is pumped up through the foor.  This is a shared data center, so you can see each case has a code lock + key lock to open up each rack.
 
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On the hostside the air is sucked up and has no false floor.
We have no integrated cable management in this datacenter (its in Tokyo and its older)
 
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our datacenter sits right by TY Harbor Brewery in Tokyo so we can get drunk immediatly after working in the DC:
 
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queequeg152 said:
like this?
Curtains+used+to+separate+hot+and+cold+aisles.jpg

 
 
 
 
Thats a hella ghetto version but same principle.
Click to expand...
You basically wont the hot side and cold side on different systems for continuous recirculate airflow
 
This is the style I am talking about... cold air on the outside, hotside on the inside.
 
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nice.
 
can you reject heat condenser heat to the water?  then you wouldnt need a cooling tower or anything expensive like that.
 
one big tube shell could probably handle that whole place.
 
queequeg152 said:
nice.
 
can you reject heat condenser heat to the water?  then you wouldnt need a cooling tower or anything expensive like that.
 
one big tube shell could probably handle that whole place.
Click to expand...
 
This data center uses bay water for cooling, not sure how, but I know some of the waste heat is recycled by the brewery to brew beer :)
 
fiveohmike said:
 
This data center uses bay water for cooling, not sure how, but I know some of the waste heat is recycled by the brewery to brew beer :)
Click to expand...
 
yea its probably just rejecting the heat to water instead of air as opposed to a cooling towers as is traditional. you can get very high efficiency when the cooling water approaches the evaporation temperature of the refrigerant, like 5 cop.
 
far as the brewery using the waste heat? idk about that... maby use it to heat the place, but for beer? you would need another heat exchanger on that hot water returning to the bay... i say "hot", but usually these once through loops are engineered to very low temperature deltas, like 2 degrees because water chemistry changes unfavorably when youheat it up. gasses come out, and shit can scale out AND you can kill fish eggs and stupid shit like that that nobody cares about.
 
on the other hand they could be using a secondary loop... but i dont see why they would want to. id love to see the drawings for this building.
 
Ya dont know what they are doing with it, but when you take the tour they tell you that lol  I suck at HVAC.  I can replace the Fan motor and capacitor on my condenser unit outside...and I know how to make my house cool or hot :)
 
More fun times, automating the switch platforms to mesh BGP between the leafs and spines to form full BGP.  Next step is to take BGP all the way to the servers, run quagga on the CentOS images and do BGP to the individual interfaces, and then use the loopback address and advertise two default routes upstream.  Full BGP CLOS mesh...much better than VLT and VRRP :)
 
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