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.
-7
votes
0answers
29 views
RACK Server and Graphics Card [closed]
I am between and HP Proliant DL380 G5, and a IBM X3455. I am going to install a PCI Express x16 graphics card on any one I buy. I need your advice first. Is it possible to do it? I did not find ...
0
votes
1answer
58 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 ...
1
vote
1answer
109 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 ...
0
votes
1answer
48 views
How to delete racktables object?
After creating a racktables object erronously, I don't know how to delete it.
-2
votes
1answer
41 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!
-2
votes
3answers
94 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
102 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 + ...
23
votes
5answers
1k 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
196 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 ...
0
votes
0answers
77 views
Rails Deployment: Phusion passenger problems
I'm using the following for my rails app.
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux]
Rails 3.0.5
Phusion Passenger version 3.0.5
The app sits in a 4GB RAM linux box. I recently ...
0
votes
0answers
53 views
Phusion Passenger not running even if included in Apache config
So I've installed multi-user rvm and Ruby 1.9.3. On top of that I've got rails, passenger and apache2 on my Ubuntu 12.10 machine. The apache2 web server works fine, but passenger won't serve my apps, ...
1
vote
1answer
55 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
105 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:
...
6
votes
3answers
352 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
251 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
236 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 ...
-7
votes
1answer
118 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
358 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
428 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
154 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
206 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
131 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 ...
10
votes
2answers
489 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
146 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
177 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 | ...
1
vote
1answer
809 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
68 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)?
10
votes
1answer
846 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
140 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
2answers
353 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
336 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 ...
0
votes
1answer
145 views
Cable management in a server rack [duplicate]
Possible Duplicate:
Cable Management Policy
My company has 1 42U server rack which is about 1/3 full of equipment. Things have been added a bit at a time, sometimes in quite a hurry. And ...
1
vote
2answers
211 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 ...
3
votes
3answers
543 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 ...
11
votes
5answers
616 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
147 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
354 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
188 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
329 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
67 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 ...
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 ...
6
votes
3answers
457 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
909 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
170 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 ...
3
votes
2answers
270 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
2k 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? ...
11
votes
1answer
763 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
477 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
193 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
358 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
...
