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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9
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15answers
3k views

How to manage rack keys?

As a result of a security audit there's the need to lock the racks and manage the keys: Keep the keys safe Record key usage Complying with these two requirements has many challenges as there are a ...
6
votes
10answers
14k views

Rack layout tools

I'm wondering if there's any tools (preferably offline) that would allow me to layout all of the new equipment that will be going into several standard racks. Currently I'm using Excel to map out all ...
0
votes
0answers
12 views

Tool for helping where new datacenter components should be placed? [migrated]

I am looking for a software tool helping me to find an optimized place where new datacenter components, such as servers and network devices, should be placed. Important criteria are: climate of ...
3
votes
0answers
46 views

Datacenter Inventory Management [closed]

In our environment the following is true: Every resource (think server, switch, pdu etc) is mapped to a specific device identifier in a database The problems are: Not every device which exists in ...
6
votes
7answers
2k views

Server Cabinet/Room Cooling

I currently have two desktops and three servers in my office sitting on the floor (I know this is bad). With that many servers the ambient temperature in the room goes up quickly. I am located in ...
5
votes
1answer
176 views

Water-Cooled Rack Door: does it work well with Blades or GPU nodes?

We're considering to equip out server farm with water cooled rack doors, similar to ...
0
votes
1answer
25 views

Does a HP MDS600 fit in a HP 10636 G2 rack?

In the Quick Installation Giide to the MDS600/D6000 storage server it says IMPORTANT: Some racks other than the HP Rack 10000 Series rack do not allow full access to hard drive bays 29-35 in ...
0
votes
0answers
22 views

APC Power Controllers Inaccessible After Brief Power Loss

It seems like every time there is a brief power outage in our environment (1-2 second blip). There are generally a handful of APC power controllers that become inaccessible through network. The ...
-4
votes
2answers
110 views

Stacking Servers on top of each other without a using a rack [closed]

I have ten 19" servers each with 4 hard drives and an average 160W usage. For a 2 month test run of a service i want to put them just on a table without purchasing a rack. Maybe in two stacks 5 each. ...
12
votes
15answers
2k views

Tool to assist loading servers into a rack?

This three questions have been merged into this one. The following answers might have come from any of them, or might be a generic answer to all of them. Is there any kind of tool to assist in ...
1
vote
0answers
95 views

Apache ProxyPass to Rack gives 404 error

(for simplicity I changed IPs of Apache server to 1.1.1.1 and Gollum server to 6.6.6.6) I'm trying to serve a Gollum wiki with rack through Apache (since it has SSL set up properly and I'm currently ...
5
votes
1answer
70 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 ...
3
votes
2answers
294 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 ...
12
votes
6answers
687 views

Can't use “eject” to identify the server

I'm a software engineer and our lab usually has several servers in a rack with a KVM switch. We're developers and we usually have several projects happening at once so the servers are frequently ...
0
votes
2answers
48 views

A backup system alone: tower or rack chasis?

We'll install a backup system in following possible configurations: two servers in cluster with a SAS JBOD attached to them one server with the same JBOD in back However I'm thinking if really is ...
-1
votes
2answers
138 views

High density disk bay rack chassis - why such a big difference in price?

We're looking for a chassis with 45-60 bays for SAS/SATA disks and we found some 60-bay enclosures at ~ $11000 (see here and here for example - there are others as well). However we found this one ...
1
vote
3answers
367 views

network rack types

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 ...
3
votes
4answers
213 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 ...
2
votes
4answers
337 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 ...
25
votes
5answers
2k 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, ...
0
votes
1answer
38 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 ...
4
votes
2answers
400 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
4answers
717 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 ...
0
votes
1answer
131 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
80 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
157 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
174 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 ...
1
vote
1answer
63 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?
9
votes
1answer
234 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 ...
7
votes
3answers
692 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
7answers
1k views

shelving as a cheap rack?

So, I'm cheap and I buy tower servers instead of blades. I was thinking of getting a workstation for my servers, but came across some industrial shelving. The shelving is metal and is capable of ...
0
votes
1answer
193 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 ...
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
1answer
244 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
7answers
3k views

Self Contained / Cooled Rack Enclosure [closed]

I'm looking at having to place a few servers in a location that does not provide a 'friendly' environment (moderate dust, no HVAC, ok physical security). Can anyone recommend a 'self contained' rack ...
0
votes
1answer
367 views

How to delete racktables object?

After creating a racktables object erronously, I don't know how to delete it.
-2
votes
1answer
60 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!
12
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 ...
-2
votes
3answers
271 views

Cable Managerment [closed]

I manage a server room with approx 20 rack servers in two racks. I find all kinds of videos and such on how to manage the network cabling. That is fine, but I would like to see how power cables from ...
-1
votes
3answers
157 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 + ...
2
votes
1answer
309 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 ...
53
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 ...
1
vote
1answer
103 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
210 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: ...
3
votes
1answer
756 views

solved: 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 ...
1
vote
6answers
696 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 ...
-7
votes
1answer
222 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 ...
1
vote
7answers
1k 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.
6
votes
2answers
452 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
1k 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 ...