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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2
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3answers
802 views

1GB dedicated port

I'm in the process of selecting a dedicated host for a big data project deployment. I need my servers to be well connected with each other. One of the provider I'm investigating is serverloft. Here is ...
0
votes
1answer
77 views

Dell Rack UPS and a single PDU

Our DELL Rack UPS 1000W has four outlets and we were using one per server. Now the server number is increasing and we are planning to purchase a PDU. Is it fine to connect the PDU to only one UPS ...
5
votes
1answer
94 views

Power Control Compartment?

I recently purchased an IBM enclosed, rolling rack that had a 6 drive server, huge battery backup, and this strange item called a "Power Control Compartment" I cannot find any good documentation ...
10
votes
2answers
803 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 ...
0
votes
1answer
254 views

How to configure rewrite rule for nginx over already binded port

My application is found here: http://my.app.com:3000/ My assets are found here: http://my.app.com:3000/dev-assets My application references assets here: http://my.app.com:3000/assets I'm using a ...
0
votes
1answer
130 views

Can I fit a desktop processor in a 4U rack? [closed]

Most desktop processors these days include the fan&heatsink attached to it. Can I expect that to fit in a 4U rack? For example, is a 4U rack considered a tower when it comes to fitting components ...
1
vote
2answers
409 views

Rack door open, or rack door closed [closed]

In our 'server room' (not much more than a converted cupboard in reality) we have one struggling AC unit that is not man enough to cool the servers, which are housed in a full height rack. The ...
2
votes
1answer
235 views

server administration for 1U rack server placed in intranet: how to deploy web application and update the server without internet connection? [closed]

A MNC sales department hired my services as a software consultant to build them a web application. This web app generates excel files based on their internal business processes. This web application ...
2
votes
1answer
160 views

Screw size for Dell PowerConnect rack ears?

Does anyone know what the Screw size is (Thread and length) that Dell use on their PowerConnect Switches, to connect the ears to the switch? In particular the 6224 and 8224?
10
votes
1answer
348 views

Standard Bolt Pattern for Racks in Datacenters

Is there a "standard" way of bolting racks down that is interchangeable between vendors? At our datacenter we've standardized on a Damac rack for our builds. Because we're building in volume, the ...
0
votes
1answer
752 views

What would my over subscription be for my network?

I have 24 racks with 20 servers each connecting to 2 by 48 x 10G switches in each rack (NIC teaming). The switchs then connects to another 2 by 48 x 10G switches in 2 aggregation racks. What would ...
2
votes
1answer
435 views

setup Nginx, uwsgi for RAILS app on non-root location

I've set up and run a RAILS app (graylog2), and bellow config made it worked for root location: server { server_name www.mydomain.com; location / { gzip off; uwsgi_modifier1 ...
-2
votes
1answer
78 views

Tenda 1024g Screw Type? [closed]

Does anybody know the type of screw/clip nut I should use for my Tenda 1024g? Thanks in advance!
-1
votes
3answers
753 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 + ...
33
votes
5answers
7k 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
725 views

Small Office server rack - power requirements

We're building an office for a small business, and the electrician is starting rough-in next week. I'm doing all of the low voltage wiring myself. We have electrician for 120V wiring.I have a ...
1
vote
1answer
137 views

Is a 650W PSU enough for 4x 7k HDDs 2x CPUs and a monster AMD Radeon HD 5990 [closed]

I bought a supermicro chassis a few years ago with a 650W PSU for a personal lab I built. Everything has been just fine so far, but now that I'm looking into some GPU based work, I'm finding that I ...
1
vote
0answers
379 views

URL Rewriting and Rack base paths

I'm trying to set up a Rails website on Bluehost and I'm having trouble with the path helpers. As I don't want to monkey-patch Rails, I'm trying to solve this through .htaccess. Here's the scenario: ...
7
votes
3answers
1k 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 ...
1
vote
6answers
1k views

What is the specific advantage of a blade server for virtualisation?

We are planning to implement a VDI Solution. We had some discussions about Blade vs Rack. As we are only planning to implement 75-100 Clients, we calculated, that we would need 2 Servers with Dual 8C ...
3
votes
1answer
2k views

passenger(mod_rails) fails to start puppet master under nginx

On the server [root@bangvmpllDA02 logs]# ruby -v ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux] [root@bangvmpllDA02 logs]# puppet --version 3.0.1 and [root@bangvmpllDA02 logs]# service ...
-7
votes
1answer
404 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 ...
7
votes
2answers
805 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
3k views

Difference between DL380 rails for different generations?

I just got an HP Proliant DL380 G5 server (it's actually Cisco branded, but I don't think that matters), without the rack rails. I'm trying to learn some server architecture and use it as a basic ...
2
votes
1answer
253 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 ...
3
votes
2answers
774 views

Cable management between multiple racks

I am in the planning phase of re-cabling our 5 racks in one of our offices and I would like to ask for some guidance on how you go, or would go about managing cables that goes between racks. In our ...
2
votes
1answer
667 views

Transporting servers - need special rack/case [duplicate]

Possible Duplicate: Permanent case for shipping 2U servers? I am responsible for our companys server infrastructure at trade shows. We have 2 annual shows, 1 in Las Vegas and 1 in Amsterdam, ...
11
votes
2answers
893 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 ...
2
votes
2answers
576 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 | U-...
3
votes
1answer
3k 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
111 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)?
12
votes
1answer
3k 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
685 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 i'...
2
votes
4answers
1k 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
829 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
343 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
2k 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
3k 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
225 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
1k 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 ...
1
vote
2answers
316 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
732 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
89 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 (http://www.wiebetech.com/products/...
59
votes
10answers
4k 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 ...
7
votes
3answers
603 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 ...
7
votes
4answers
4k 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
211 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
925 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
6k 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? ...
15
votes
1answer
5k 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 ...