A rack is a frame or enclosure in which servers, networking equipment, and associated equipment is mounted. For questions about the Ruby framework, use the tag ruby-rack.

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11
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2answers
682 views

Securing a rack in a shared server room

A client have a couple of racks in a shared server room facility. The racks have wheels on them and they are worried anyone could simply access the server room, unplug all cables and roll out the ...
1
vote
2answers
344 views

What factors affect the noise in a rack server?

I have a DELL Poweredge 1950 rack server.On this server my SQL Server database is hosted. Since last month it has become very noisy and irritating. I checked my CPU usage but it is normal.Is it due to ...
2
votes
2answers
331 views

Label Scheme for Rack Mounted Equipment [closed]

Given a lot of the users on here have vast experience, what is the best way to label individual cables for equipment mounted in a rack? I was thinking something like: Port Number of Switch | ...
3
votes
1answer
2k views

Difficulty racking HP ProLiant Gen8 servers

We're an all Proliant shop with around 50 servers, mostly DL360s and DL380, from G5's through G7's. We just got our first two G8's in and went to rack them. We were stunned to find out that the new ...
1
vote
2answers
91 views

IPMI - is it possible to boot a server

Is it possible to use IPMI to boot a cPCI server with a backplane? (in a similar fashion to Wake-on-LAN)?
11
votes
1answer
2k views

What is the proper way to manage cabling behind patch panels?

I have a 4-post 19" rack with a 72-port 2U quickport patch panel where horizontal structured cabling terminates. The cables are bundled and enter the rack at the rear. From the back of the rack, ...
0
votes
1answer
406 views

Rack cabinet - ProLiant DL360 G5 and StorageWorks fit

I'm about to order a rack cabinet/enclosure for our 3 HP ProLiant DL360 G5 servers and 2 StorageWork MSA units. The HP Proliant DL360 G6 is 1U each, and the StorageWork MSA Units is 2U. The Cabinet ...
2
votes
4answers
939 views

How many hp dl360 g7 in a rack?

It might sound as "how long is a piece of string"? In my current job the process is to leave 1U spacing, with no blinders, between servers; this incurs a considerable loss of space, no event sparking ...
-1
votes
3answers
612 views

12-24 rack, 10-32 server thumbscrew. How to mount?

We have just purchased a APC rack (model AR204A) with 12-24 threaded holes. We couldn't get a "square hole" model in time for our setup deadline. Unfortunately our rack servers (Lenovo RD240) appear ...
1
vote
2answers
272 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 ...
4
votes
3answers
1k views

Regarding temperature in our server cabinet

We have a floor standing server cabinet, which sits in the corner of our office. There is no AC in the office, and the average temperature is around 21C (70F). The server cabinet currently contains 2 ...
12
votes
5answers
1k views

Why is it important to ensure equipment is well-grounded?

I am installing a new ethernet switch, and the instructions say to connect the ground screw to the rack or some other kind of electrical ground. What are the risks of not ensuring that equipment is ...
1
vote
2answers
202 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 ...
-4
votes
3answers
784 views

Where can I buy stickers/labels to put on rack systems/servers to identify them? [closed]

Where can I buy stickers/labels to put on rack systems/servers to identify them? I want to put my companies logo on them and also I want 2 sizes: small and larger. The larger stickers should have ...
0
votes
2answers
268 views

How to mount server into a rack - rails? [closed]

I am setting up a "server closet". I have not worked with server racks before. I got a server rack free on Craigslist. I am not sure how many "U" it is - it's about 6 feet tall. I bought two 4U ...
2
votes
1answer
497 views

Sun Tool-less Slide Rails Removal for X4150

I have some tool-less slide rails for some 1ru x4150 sun servers. I can't seem to see how to remove them. Sun in their wisdom did not include this seemingly important information in their ...
0
votes
1answer
83 views

Move a Production Switch from One Rack to Another

Is there any good way to move a live, production switch from one rack to a second, nearby rack? The switch does have redundant power supplies, plus we have a HotPlug ...
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 ...
6
votes
3answers
530 views

Proper way to run CAT cables from the front to the rear of a rack?

Lets say I have a forward facing switch, but all the server's NICs are rear facing. What is the proper way to get the CAT cables from the front to the rear of the rack in a way that doesn't open an ...
6
votes
4answers
2k views

Does UPS Rack Position Matter

Short version of question: Is there any reason a UPS (or any other device) should be at a particular level in a rack. Long version (with explanation): I have a full height rack with two servers, ...
6
votes
3answers
192 views

Disaster Recovery Planning, tower or rack?

I'm working on this project to develop a system with centralized information regarding emergencies delivered via open Wi-Fi on a small city. I'm from Chile, so we thought of this system to work ...
4
votes
2answers
562 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
4answers
3k views

Server Rack for Home Use? [closed]

I was looking into getting a few shiny rack servers for my home based business. During this, I realized I would need a server rack (so that it looks neat and tidy at the least). The only problem? ...
13
votes
1answer
2k 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 ...
10
votes
4answers
1k views

Proper Sizing for PDU's/Power in Rack

I've struggled with sizing my power sources and associated PDU's in my server racks. Somehow I feel like I'm way oversizing things based on nameplate requirements on power supplies. My simplistic ...
4
votes
6answers
217 views

Servers with same workload in the same rack: good, bad or unimportant?

Our current server layout (not designed by me) has identical machines located on the same rack. We'll have all the database servers on rack A, all the fileservers on rack B, etc. This seems dangerous ...
1
vote
1answer
769 views

Who makes the best server racks/cabinets? [closed]

Who makes the best 19 inch server racks/cabinets? I'm considering the following brands in a four post, square hole configuration: APC Wright Line Rittal Chatsworth Great Lakes Middle Atlantic HP ...
4
votes
4answers
172 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 ...
2
votes
3answers
4k views

how many blade enclosures can you fit in a rack?

Considering the power and cooling requirements of HP's or IBM's newest blade (10U) chassis fully stacked, how many of them can you fit in a standard size rack (42 U) ?
7
votes
6answers
745 views

Rack layout for future growth

We're getting ready to move to a new colo facility and I'm designing the rack layout. While we have a full rack, we only have 12U worth of hardware right now: 1x 1U switch 7x 1U servers 1x 2U server ...
3
votes
1answer
74 views

Standalone server setup for compute capacity

I'm developing an application for my company that will require a lot of compute capacity (running some very big mathematical calculations), and looking for some form of server setup to do this. For ...
1
vote
4answers
497 views

network rack types [duplicate]

When I go shopping for network infrastructure, I see lots of different kinds of racks available and I don't understand the difference between them. What are the different types of racks you would ...
1
vote
3answers
453 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 ...
1
vote
7answers
2k views

Where can I purchase a good server rack cabinet? [closed]

We need to buy the first one and don't know where to start... Thanks.
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 ...
3
votes
4answers
222 views

Mount servers at the center?

I can't afford a 4 post rack right now, but I can afford a 2 post one... However, you can't mount a server in a 2 post rack because it will break the ears. Will a 2 post rack support a server (even ...
8
votes
4answers
3k views

Good 1U Rack Firewall [closed]

I'm trying to find a good 1U rack firewall at a reasonable price. Most pricing is completely out of space (thousands of dollars? Why?). I don't want to list all features I need/want (there are too ...
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?
1
vote
2answers
126 views

Rackmount Hardware Question

This is just a quick question. I havent been able to find any recommendations from Google searching. What is the maximum recommended weight for front mounting rack hardware? EDIT: I have a Hammond ...
3
votes
2answers
176 views

Is an EPO required on each rack

I've studied the NEC 2008 version and I can't find any requirement for an EPO to be mounted on each rack. For some reason the place I work requires them at the top of the rack and it's connected to ...
1
vote
1answer
304 views

What tools, parts, accessories do you keep in your Colo?

I know Colo is less popular these days with the Cloud, but I thought I'd ask people what tools and extra parts, etc they like to keep in their Colo cages or racks. Here are some of my favorites: ...
1
vote
1answer
225 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 ...
0
votes
2answers
395 views

Dell PowerEdge 750 [closed]

Can I use Dell PowerEdge 750 just 1U without a rack at home? Does it need cooling? I want to have a low end server for learning.
2
votes
3answers
362 views

Lock a server within a rack of several servers

I have a 42 RU Dell rack with several 2RU servers in it. I need to prevent physical access to one of the servers in the rack, but not the others. The face plate that comes with the Dell servers is ...
17
votes
1answer
1k 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? ...
2
votes
1answer
561 views

What fiber should I run between 2 floors in a company site?

I'm helping a customer in moving his company to a new building. There we'll have two racks on two different floors to accomodate various servers and switch infrastructure. We'all also use the ...
1
vote
2answers
243 views

Software/Service for Controlled Shutdown/Startup of a Server Room

We are looking for a solution to automatically shutdown server room equipment in a controlled process, based on priority, automatically during a power outage and on demand if necessary. We would also ...
2
votes
5answers
642 views

Power strategy for first server rack

We are about to install our first server and networking rack at my office. I'm more of a programmer than a sysadmin, so I'm learning as I go. Let me start by saying that it's just a router, patch ...
3
votes
1answer
907 views

Can the PowerEdge 2420 24U Rack Enclosure Be Completely Disassembled?

We have to relocate our existing Dell PowerEdge 2420 24U Rack Enclosure to another room in our office. Unfortunately, the door (to the new room) is too small for the Dell rack enclosure to fit ...
9
votes
5answers
2k views

Rack layout recommendations

We have a 24U rack in our lab and I'm going to completely redesign it during the next weeks due to the scheduled big hardware upgrade. I have a couple of the questions about the layout of the server ...