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-5
votes
1answer
51 views

Will leaving a wet jacket to dry in a server room damage any equipment? [closed]

It rained on my way in to work this morning and I was absolutely deluged by the time I made it in. I took my jacket off and hung it over the handles of one of those trolley/wheelie things people use ...
35
votes
8answers
3k views

Where is the best place to label a server?

There isn't much room on server chassis and I'm wondering where a label with the servers name should go. Is there any other information in addition to the name that should go on the label? Does it ...
1
vote
1answer
68 views

Blackout Blind for a server room

Would getting a blackout blind reduce the temperature of my server room? I have already silvered the windows and our aircon is struggling but we are not in a position to be able to replace the aircon ...
2
votes
3answers
372 views

Server Room Temperature Monitoring - Where to stick my probes?

I have a small server room approx 7' x 12' with an A/C unit dedicated to this room that is positioned on of the short (7') sides and blows air across the room towards the other short (7') side. The ...
0
votes
1answer
170 views

How to safely raise server room humidity

We've just completed an office move and had no time after the construction of the office to run any sort of environment testing on the new server room. The server room is a good size and the ...
31
votes
5answers
3k views

What to look for in a server rack?

I'm looking to purchase a rack/enclosure for some servers. As this is my first time shopping for this type of equipment, I need to know what to look for. I'm asking not only about how to buy the rack, ...
2
votes
1answer
386 views

Temperature in server room

I was just wondering if anyone had an idea if the following values for a server room are acceptable or what needed to be changed. In the room the temperature is 17c with RH of 38% and Dewpoint of ...
0
votes
3answers
259 views

Where should we store a small server/router/switches in a small office with no closet?

A branch office is about to move to a new office with possibly zero enclosed storage space. The technology resources we need to relocate include: Mid-tower server (file server) 24 port switch (2) ...
16
votes
3answers
1k views

Are bare steel floor tiles suitable for a server room?

We're moving in to a new building, soon. Most of the building has a raised access floor consisting of 600x600mm square tiles; galvanised steel-coated MDF. (The closest equivalent I can find is Tate ...
4
votes
1answer
170 views

How can I identify the manufacturer of our raised floor?

I'm managing servers in a 'hand-me-down' computer room, where we have absolutely no documentation about the floor system, and I'm attempting to determine who the manufacturer was so that I can then ...
210
votes
15answers
12k views

I've inherited a rat's nest of cabling. What now?

You know, you see pictures like below and sort of chuckle until you actually have to deal with it. I have just inherited something that looks like the picture below. The culture of the organization ...
4
votes
2answers
275 views

Where do I put the server in a cramped office?

We have very limited options for our first server in our small office and none of them look good. We are buying one HP Proliant ML350 G5. Per the HP power calculator with our system specs, we're ...
2
votes
4answers
807 views

Should maintenance staff have access to server rooms? [closed]

After reading a similar question on Reddit, I wanted to hear from the serverfault community on the practice of letting maintenance staff in to server rooms without supervision. There are obvious ...
1
vote
1answer
232 views

Reduce vibration by suspension?

We have a location near a railroad line and when trains go by the vibration seems substantial enough to possibly cause (or explain) harddrive damage. I wonder if suspending a machine or hanging it ...
15
votes
5answers
1k views

Cooling Server Rack with Water? Sensible? Reuse energy for small installation?

First - this is not a shopping question, this is not so much about concrete prices but about general feasibility. Makes no sense to get looking fo ra manufacturer it the approach is bad. I am moving ...
19
votes
5answers
3k views

Is carpet, or another floor covering, appropriate for a server room?

Ive requested the carpet to be removed from my server room, a disaster was almost waiting to happen air con leaked and the carpet UNDER the rack was soaked. (air con unit 0.3 meter from rear of ...
-2
votes
1answer
267 views

How cold will the servers get, if the room is flooded with CO2? [closed]

Is there anyone out there who has witnessed a server-room being flooded with CO2? What was the state of the servers afterwards? The de pressurizing of CO2 must have an enormous cooling effect. I ...
5
votes
4answers
3k views

When do I need to consider 3 phase power? [closed]

Ok, I'm trying my best not to make this too subjective and provide all the information I can and if you can help make this a better question then please suggest. My friend an I have a small software ...
42
votes
2answers
5k views

Construction workers filled my SAN with concrete and mineral dust

Update: EMC has dropped our warranty and support, so this is going to be an insurance case. Dell says's that we can get a professional cleaning agency to refurbish the servers and keep our warranty. ...
54
votes
10answers
3k views

How to extinguish a small fire in a server rack to minimize damage to surrounding equipment?

Suppose I have a rack with several servers and other stuff. One of servers overheats severely and either starts smoking or catches fire while there's a serviceman nearby. If anything similar happens ...
106
votes
13answers
6k views

Engineers are using explosives to remove hard rock outside our office building. What countermeasures should we take?

Our building is located approx. 100 meters from the explosive charges. They happen several times per day, and really shake the entire building a lot. This is going to go on for many days and the ...
6
votes
1answer
522 views

Ionization option on our A/C turned on or off in a server room?

Our server room is a converted closet, and we have a pair of wall-mounted air conditioning units to cool the room. These are both pointed towards the front of the server racks, and there are a couple ...
0
votes
2answers
193 views

routing calls from landline to end user cell phones

I have to setup a server to route telephone calls coming to a particular landline no to cell phone phones depending upon the availability of user. I want to know what technology call centres or ...
3
votes
1answer
216 views

Blade server in a nutshell?

Can anyone give a real description of a blade server and what it's advantages are besides space? Are there any disadvantages? And also, do you think smaller companies (think around maybe 4-5 actual ...
28
votes
5answers
1k views

How to build and run a machine room?

The last guy quit (I think a lot of adventures begin this way?) and I've been given the job to build a new machine room. I am coordinating with 2 engineers, campus ITS, campus Facilities Management, ...
3
votes
4answers
1k views

server room specification standards

Is anyone aware of any standards or guidelines for server rooms or data centers (of any scale)? I am in the process of making suggestions for a design and although some things come out of experience ...
4
votes
5answers
871 views

Walk-In Cooler Server Room?

After searching a little bit, I wasn't able to find any specific information on this, so here I am. We've got a single 42U rack with 6 servers and some switches. It is currently housed in a coat ...
13
votes
10answers
5k views

Why datacenter water cooling is not widespread?

From what I read and hear about datacenters, there are not too many server rooms which use water cooling, and none of the largerst datacenters use water cooling (correct me if I'm wrong). Also, it's ...
1
vote
2answers
203 views

data room access in a hospital

I am the librarian for a large hospital - Hoping to tap into the collective wisdom of the group for a request that came to our library from our IS department Can anyone provide a resource or ...
1
vote
5answers
1k views

Which is better for heat: 120v or 220v?

I've got the following gear in a small 120sqft room. While AC is supplied it's a home/office and in the summer both the central air at full go and a standup indoor portable AC on full barely keep it ...
4
votes
4answers
536 views

Terminate short CAT5 uplinks?

My employer is moving to a new building and i'm in charge of creating/moving the IT infrastructure. There are 3 floors with a patch closet on each floor, then CAT5 uplinks down to the server room on ...
1
vote
4answers
445 views

Advice for reorganization of machine room?

I am a n00b sysadmin and have been asked to completely reorganize an existing machine room with some 30-40 servers. Currently, the place is a pigsty, and wires are jumbled everywhere, so there is good ...
4
votes
3answers
891 views

Moving server room to another part of the building

This question is a bit different than the typical we are moving our server room to an off site location or we are moving the whole office to a new building. Management wants to add some more office ...
1
vote
4answers
1k views

Implement a rule to access physically the server room

We have a server room and right now it's like in wild west: the strongest one can get in and do whatever he wants. I would like to prepare a list of rules to follow to monitor the access and ...
1
vote
2answers
1k views

Is there a good way to build a DIY LCD KVM?

I've wondered for some time whether it would be possible to build an LCD KVM. My server room has two KVM switches with CRTs, and I really don't want to shell out $1000+ on one of the nice 1U rackmount ...
3
votes
2answers
886 views

Rear mount or front mount switches

Where I work all the switches in a rack are mounted in the rear of the rack, but this presents a problem with hot isle cold isle cooling. The alternative is to mount the switches in the front of the ...
6
votes
6answers
7k views

Rackmount cable length calculations & best practices

I'm redoing the cable management for a small company with a modest server room. It's my first time trying to organize an absolute mess that their former IT-guy left. A huge problem that I'm finding ...
1
vote
1answer
119 views

Biometric scanner that scans the blood veins pattern in the palm

Is there some kind of a biometric scanner that can scan the pattern of blood veins in our palm? Related questions: Reputable Biometric Fingerprint Scanner & Access/Attendance Solutions? ...
1
vote
1answer
224 views

Storage Chassis Rack Location

There are so many configurations of racks, it's not even funny. Where do you guys keep your storage located? I think the problem I'm having is that they're currently set too high in the rack and ...
2
votes
1answer
481 views

APC InRow Cooling for a small server room

We recently added some hardware to our server room, and our 12000 BTU Mitsubishi Mr. Slim isn't cutting it (was undersized to begin with). Our humidity is also too low (~30%). To meet our needs, ...
27
votes
4answers
1k views

My server room has flooded

We recently went through a hurricane and our server room became flooded. Hooray for insurance. Anyway, I need to save as much data off one of the hard drives as possible. Yes, it was submerged for ...
5
votes
3answers
1k views

Server Room Temperature Control - Does anyone have a similar setup?

Our Server room is located in the middle of our building and has no access to a window or outside ventilation. I had a quote done by a local heating/air conditioning company to install a room specific ...
3
votes
5answers
845 views

Groupings for Network Cable Colors

I noticed a thread Network cable color conventions? that talked about what types of colors to use for cabling in server rooms and closets. I thought that if there was a general consensus as to the ...
7
votes
6answers
373 views

Computer controlled winch

It was a long time coming but I've just had AC installed in my server room. I've also purchased a MiniGoose II from ITWatchDogs which I can't say enough about. So I'm covered by cooling, and I'll be ...
44
votes
8answers
2k views

How is fire spread in server rooms and datacenters?

Every now and then I read that a severe fire has happened in some datacenter, lots of equipment has been damaged and customers have gone offline. Now I wonder what is there to support and spread fire? ...
0
votes
2answers
438 views

What's the standard for server closet HVAC?

My organization is in the process of looking for new space in Manhattan. We have 25 employees and are looking at offices that are around 7,000 sq. ft. I don't anticipate us ever needing more than a ...
0
votes
3answers
257 views

question on server rooms?

okay..im really sorry for this noob question..but..in a server room..do all the servers function as one server? is it like a bunch of computers doing the same think (like a cluster supercomputer) and ...
10
votes
8answers
20k views

Cooling for a small server room

I have a server room about 12 feet square with an unfinished ceiling (exposed ducts and wiring). It houses a few servers (about ten, 1U and 2U) and some networking gear (four 1U switches, three ...
2
votes
4answers
576 views

Server Room Protocols/Server Room Management

I'm new to this site but have found the articles and feedback very useful. We have a Server Room which our Organisation owns and controls, yet there are several thirs party companies that have open ...
2
votes
1answer
389 views

Portable server room air-con options [closed]

We are looking for portable industrial air conditioners for our server room which whould blow hot air to the ceiling cavity, split-system is not an option. Something exactly like this would be ideal, ...