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21
votes
3answers
2k views

Server won't physically fit in rack: which technical problems will I face in future if I force the mount?

I have to reuse old rack and servers. The server is 74 cm deep and the rack around 65 cm. With a few tricks I'd be able to mount everything I need if I leave back and front doors opened. I thought ...
0
votes
2answers
99 views

Generic rails and terminology when specifying rack rail types and dimensions?

Question From the research I've done, the rack rail market seems to be very brand-centric. It's really hard to be sure that the rails I buy will match the servers as well as the rack. I'm in a ...
0
votes
2answers
66 views

Is it safe to put non-standard units inside racks?

Is it unsafe or might the request be denied by some companies that offer colocation to put non-standard units inside a full rack? This is my case and, speaking of dimensions, it fits. Also, as you ...
1
vote
1answer
59 views

Rear Rack Ears for Dell PowerConnect 2824 Switch

I've been looking for a solution to mount the Dell switch from the back instead of the front, since we don't have a rack for switches yet.. My original thought was to find some special rack ears that ...
4
votes
2answers
486 views

What were your server room pain points, big wins and must haves? [closed]

Like many people on here I suspect, our server room has evolved over time. At the beginning we had a single server running Microsoft Small Business Server 2000 and it sat in the corner plugged in ...
2
votes
1answer
89 views

Rackmounting a tower chassis HP BLc3000 Blade System

Ok, so we have a HP BLc3000 that we are bringing in from a remote office to our central datacentre, its currently in its purchased tower / pedestal configuration (with the wheels and all that) Is it ...
0
votes
1answer
34 views

Rack Console Setup

I rack console with mouse, keyboard and monitor. It's only output port is a vga connection. My KVM switch has USB Mouse, USB Keyboard, PS2 Keyboard, PS2 Mouse and VGA. The cables I bought have VGA on ...
1
vote
1answer
123 views

Is it possible to find server parts like this?

We currently purchase render nodes that fit well into our server rack. They're 3U in height and 1.9/19inch in width and about 3 feet in depth. We're considering building these ourselves and ...
11
votes
4answers
3k views

Is it bad to mount a rack mountable server vertically?

We are moving to an office with a server closet that may not have sufficient depth to have a standard server rack. I found a vertical rack mount online (that mounts to the wall) that is 4U. Are ...
-1
votes
3answers
209 views

does a 4U case need rails? [closed]

I just bought 3x cheap 4U cases for fitting microatx hardware. But rails are not included. Are slider rails mandatory or only for convenience? Servers are quite light. It's compute nodes. Only psu + ...
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, ...
7
votes
3answers
808 views

What is the name of this screw? (from HP ProLiant quick-deploy rail kits) [closed]

I need the name of the screw for the HP quick deploy rail kit. The screw clicks into the square holes of the rack. It is a Gen4 Rail kit but the screw is like the Gen8 Rail kit ones. I called HP ...
-7
votes
1answer
254 views

software for rack visualisation [closed]

Can you recommend any (preferably open-source) software for server racks visualization? Ideally it should be able to draw cable links between pieces of equipment, and should be scriptable to some ...
6
votes
2answers
508 views

Server Rack vs. Server in PC “Towers”

A friend of mine told me that the company he made an internship at didn't have server racks, because the cooling just takes up too much energy and thus isn't effective. That company was using "normal" ...
1
vote
2answers
243 views

Switching to Rack Mounted Servers [closed]

I'm primarily used to using Computer Towers as basic servers for the company I've been administrating for a while. And we now wish to move away from that to a rack facility. I have no idea (not the ...
2
votes
1answer
206 views

Rack Equipment that is Non-Integer Rack Units Tall

I came across these two items of non-integer rack unit height: 1. This rack mount kit which seems to be trying to make the best of the slightly-taller-than-1U form factor of the Cisco ASA5505. 2. This ...
2
votes
1answer
62 views

What to look for in a rack that has to survive extreme conditions

I work for a 2-way radio company, and we're spec'ing out a mountain top digital radio repeater system, that will require a server and a switch setup. What should I be looking for in a rack cabinet ...
2
votes
1answer
932 views

How do I choose compatible rails for rack mounting my servers?

I am purchasing a rack mounted server and I have the option of also purchasing one of two types of railings: Rapid Rails for Dell Rack Versa Rails, Round Hole Universal Is there any difference ...
9
votes
6answers
2k views

Cage nuts - which way to insert them?

Cage nuts can be inserted (in square holes) either with the flaps horizontal or vertical. I've seen and used both methods, but am still not sure which is best. Is there a recommended way of inserting ...
23
votes
2answers
1k views

What do I need to mount devices with threaded round holes in a server rack with square holes?

My google-fu is failing me on this one. What are the little things called that let you mount devices like switches which expect threaded round holes in a server rack with square holes?
6
votes
3answers
857 views

Rack Mounting a Server with hot air vents on the top?

We just got a couple of HP DL360 G7's, and I notice it has vents on the top. More hot air seems to exit through these vents than it does anywhere on the back. All our servers in the past have always ...
1
vote
2answers
269 views

Cooled server cabinet VS server room

The cooled server cabinet was discussed here before but I found my question is a little bit different. We have a client with some servers running into incredible bad conditions. The servers are in ...
94
votes
9answers
6k views

Can you mount a network switch upside down?

We just took delivery of a new Avaya 2500 48-port switch, that has 24 PoE ports. The problem is that all the PoE ports are on the left-hand size of the switch, and our PoE device cables can only reach ...
1
vote
1answer
258 views

Rackmount temperature/humidity control

This may seem like a strange question because it involves a non-traditional approach. What I'm looking for is a standard rackmount cooling/humidity control module. The idea is to build a portable ...
0
votes
2answers
245 views

When buying a rack-mount server and renting space, what's more important? [closed]

If I'm buying a server, if I consider the price/performance ratio for buying more rack space, or buying more powerful servers, which is more inexpensive? Getting the most powerful box and saving a ...
1
vote
2answers
182 views

What measures to take to prevent electrostatic if we dont skip a rack unit between servers?

After going through the post Do you skip a rack unit between servers? . We thought to consolidate our rack to save space and to improve cooling in lab. If we put servers without skipping a single gap ...
1
vote
2answers
162 views

Adding a networking rack after the fact

I'm working on a network project where the networking equipment is located in utility closets which aren't very secure. I'd like to put all the networking equipment and servers in free-standing (ie, ...
12
votes
4answers
1k views

Planning to buy a server with at least 48GB Ram, are the blades way to go?

We're planning to host our website for the first time for ourselves. We have currently have a linode of 8 gigs and the memory is going up to 90% most of the time. So I want to move my website to my ...
0
votes
4answers
624 views

Blade vs RackMount [closed]

In which cases do you think that a Blade is better than a rackmount, in a virtualization environment? If you think that blades are much better than Rack, then why facebook prefers rackmount?
4
votes
3answers
478 views

Cable Management

I was given the task of (re)organizing cables in one of our racks, and I have never done this before. What system/equipment do you use to organize your cables? The rack I have is 23" and has 19" ...
9
votes
4answers
1k views

Is it bad to stack rackmount servers?

I have a couple of Dell 1U rackmount servers that I need to temporarily move out of a rack. Is it bad for them to be stacked on top of eachother?
4
votes
2answers
531 views

Permanent case for shipping 2U servers? [closed]

My organization ships servers (2U) to multiple sites (back and forth) and the original server boxing is becoming worn. Can someone please recommend a more permanent case? Thanks.
0
votes
2answers
165 views

patch panel and switch different sizes

The switch is a DLink 24-port, 14" wide, and the panel is a TRENDnet 24-port, 20" wide. Do they sell braces for the switch? What's the best way to mount both to a rack?
1
vote
3answers
1k views

Is it possible to use mixed 110V / 208V power on a single server with dual power supplies?

Is it possible to run a dual power supply server with one PS plugged into 110V, and the other power supply plugged into 208V? We've asked the vendors and they say they've never tested it or some other ...
1
vote
1answer
186 views

Will older Dell rails work on the newer 11G servers?

We have a Dell Poweredge 1950 that came with Dell Rapid Rails. These are the tool-less mounting rails for 4 post square hole racks. We have some new Dell Poweredge R610s on the way. We were hoping to ...
3
votes
3answers
2k views

Can a Switch be Wall Mounted Using Rack Mounts?

We need a new, fanless, managed 24-port switch for our small office and I'm considering the Cisco SG200-26. The issue is that the network cabling in the office means that the switch must be ...
13
votes
1answer
1k views

My First Rack - Basic knowledge about server racks

So my company recently moved to a new building and my boss had an APC rack installed with the switches in it. We are now looking to buy a rack server to put in there. I'm just a PC repair kind of IT ...
3
votes
2answers
226 views

Can I simply replace old rackmount motherboard with another motherboard?

I have a 1U rackmount server lying around with an old Pentium 4 motherboard (Super Micro P8SCi). To upgrade this server (on a small budget), can I keep the case/chassis and simply replace the ...
4
votes
4answers
171 views

Rack enclosure dimensions

We noticed that rack enclosures have different depths (600, 800, 1000 mm) while the DELL rack servers are 600 mm deep. In addition DELL rack enclosures are only 1000 mm deep. Why should I purchase a ...
1
vote
1answer
175 views

Your experience with JBOD “raw” SATA setup

I need a cheap setup to store historic snapshots of a dataset in the 100-200GB range. These will see little use, but need to be kept online for some time (shared by Samba). The box housing the dataset ...
3
votes
1answer
127 views

Do you get access to the back of the rack in a co-location datacenter?

I'm wondering because we're moving our rack to a co-location but we have LOTS of space behind our rack so I mount our switches on the backside for easier cabling. But i've seen a lot of pictures where ...
1
vote
2answers
479 views

Rack Mount servers

So I'm trying to convert some at home servers into rack mountable servers to take up less space. I'm considering buying a cabinet that is 23.5" wide and a case that is 15.3" wide. Is there a way to ...
-1
votes
1answer
374 views

2U rack hardware, budget but stable, what to buy? [closed]

So, I'm tasked with helping buy motherboard/CPU/ram for a 2U server, that will be brought in luggage to China. The requirements are that the hardware is reliable/stable (read: long lasting) at the ...
1
vote
3answers
441 views

Are there any “Zero-U” PDU's that allow for power management/remote power control

I can't seem to find any PDU's (in general) that fit a 24U server rack that don't require at least 1U of rack space. (I'd prefer Zero-U) that allows for remote 'reset' of the power ports as well as ...
13
votes
3answers
2k views

Economical way to get many harddrives into rack mount?

Please bear with me as being a bit of a newcomer at 19" rack-mounted equipment. I've thought a fair bit lately about the best way of getting 4x or 6x of 2.5" hard drives into my rack and are ...
4
votes
4answers
3k views

Why use rack servers over tower servers?

Aside from space, why use a rack mountable server over a tower server? Or is space the only reason... Tower servers are cheaper, more space for cooling, and more expandable... Why rack mount?
2
votes
3answers
304 views

Multiple systems in a 1u rackmount case?

Is there a provider or simple custom build method to fit one or more seperated physical systems (anything able to run server CPUs, with or without HDD) in a 1u rackmount chassis?
1
vote
5answers
458 views

19" cabinet floor rail/slide system

I need to mount a 19" 36U high rack mount cabinet in a confined space. For various reasons, the cabinet cannot be permanently mounted so that access to the rear is possible. Does anyone know of a ...
2
votes
1answer
303 views

Outer rails for a Dell PowerEdge 1950

I'm looking at buying a Dell PowerEdge 1950 on eBay. It comes with rails (HN185 and GU092) but as best I can tell these are only the inner rails. Does anyone know which outer rails these go to? ...
15
votes
1answer
998 views

How to correctly move a server inside a rack up and down

Maybe a bit stupid question, but Sometimes (rarely but it happens) I need to move a server in a rack 1-2U up or down. What do you think, which of the ways is the most correct and useful and why? ...