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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4
votes
1answer
48 views

Cisco Catalyst 2960 Switches - Can I reverse the air flow?

I have some equipment that will be moved to a new datacenter soon. At the current datacenter, the switches are mounted in the back of the racks so the air flow for the switches is reverse in ...
0
votes
2answers
70 views

UPS systems in parallel for redundancy and/or capacity, generator as backup, ATS,

I am about to upgrade our server room's power plan and would kindly ask you for your help with a proper, optimal design / advice on "good practice" approach. Please note that our business is small, ...
4
votes
2answers
200 views

Interconnecting options for server rack and network rack?

This is my first post on Stack Exchange after years of roaming around. I'm having difficulty deciding on a rack setup that meets our company's needs for scalability, management, and future proofing. ...
1
vote
0answers
28 views

How to ground a server rack on 3rd floor office [duplicate]

I am in the process of building out a server rack in an office on the 3rd floor. Does anybody know of any good options out there that can help me out? Wall outlets have 3-prong connectors with working ...
3
votes
2answers
228 views

What is the proper way to connect cables from a patch panel to a switch when you have more ports on the patch panel than on the switch?

We're in a situation at our new building where we have 58 drops but only 48 ports on our switch. Roughly 40 of our drops will be in use, but it's a random selection ranging from 1 to 58. Typically I ...
0
votes
1answer
92 views

How to wall mount a rack when studs don't line up [closed]

This is my first time mounting a server rack and I'd like some advice. The rack is for my home and will be a 10U wall mount for a patch panel, switch, and a few shelves for UPS and modem/satellite ...
0
votes
1answer
64 views

How standardized are rack server components? [closed]

I have a couple of servers at home for personal use, and I'm considering replacing them with rack servers that I'd scrounge up in used condition, just for easier management and whatnot. I don't have ...
2
votes
2answers
145 views

Rack Server Width

I am dabbling into the world of rack servers and trying to teach myself a thing or two. I have come to a roadblock about the width of a rack server, I have read that the standard width for a rack ...
0
votes
1answer
61 views

Putting the server “outside” [closed]

I live in Montreal, where the temperature oscillates between a max of 27 celsius in summer and a min of -27 celsius in winter. I am currently in the process of purchasing a cheap decommissioned 2U ...
-1
votes
1answer
56 views

How to choose the right rack and UPS?

I have two configurations: 10 Dell PE R720 servers, 2 Dell EqualLogic PS6100S arrays, 4 Dell N3000 Switches, 1 N4000 switch 20 Dell PE R820, 1 Dell EqualLogic PS6100S arrays, 2 Dell N3000 Switches, ...
2
votes
1answer
80 views

Zero-U PDU preferred mount location

Looking for some experience from the field - The rack I manage has two zero-U vertical PDU's supplied by the datacenter. They have fitted one on each side (one on the left, one on the right). The ...
-1
votes
1answer
81 views

Can a 69,85 cm hp ssf proliant sit in a 800mm rack.

Hi can a hp proliant that is specified to be 69,85 cm in length fit into a 800mm closed rack. No air holes at the front of the rack. But there is a cooling unit attached to the rack. There will be a ...
6
votes
3answers
577 views

Is disk serial readable from supermicro chassis?

We are working with a hosting company for managing our dedicated servers. We asked for a replacement disk on one of the servers by providing the serial number. They took out 2 other disks instead and ...
-4
votes
1answer
54 views

any help on how to build a rack server? [closed]

i have no experience with servers at all, but i would like to know how to build a rack server in my freezing garage, i have done some research and bought a cabinet, an Ethernet switch and loads of ...
0
votes
0answers
162 views

Serving static files with NGINX on Unicorn served app

I've just set up a Sinatra app running on Unicorn and served through a socket by NGINX. I'm trying to get NGINX to serve my static assets with this in my nginx config: * EDIT * (added full server ...
0
votes
0answers
54 views

Is it possible to disassemble an APC Netshelter SX enclosure?

I need to move an APC Netshelter SX 48U from one room to another, but the new room is lower than the current one and I cannot install it without disassembling it. According to APC, these enclosures ...
22
votes
3answers
3k 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 ...
-1
votes
1answer
282 views

Choosing a Server Chassis based on Server Board's Requirements [closed]

I'm a newcomer in the world of assembling servers from ground up. First of all, I can choose a server board based on my needs. Then, the getting the following components are pretty much ...
1
vote
2answers
171 views

Can a Sun rack be converted to a normal rack?

The Sun rack with PN 595-5953-01 does not use the normal rails like HP and IBM uses. Does there exist Sun rails so standard servers can be put in it? Or perhaps those L-shelves, where you lay the ...
-7
votes
1answer
154 views

Build own server rack. Will this work? [closed]

Ok here's the deal. Company I work for is going under. It's a free for all in our computer lab. We have some nice black APC server racks. Something like this: ...
0
votes
2answers
489 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 ...
2
votes
1answer
204 views

Cisco 2921 ISR Installation concerns

We are having a leased line installed by British Telecom, they have routed the fibre via our telecoms 'cupboard' (enclosed glorified cupboard in our reception area) which has no airflow and only 2 ...
0
votes
2answers
74 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 ...
3
votes
0answers
281 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 ...
0
votes
1answer
60 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 ...
5
votes
1answer
285 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
0answers
35 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
214 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
6answers
719 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
95 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
vote
0answers
316 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 ...
-1
votes
2answers
284 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 ...
2
votes
3answers
594 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
66 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
89 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 ...
6
votes
2answers
617 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
214 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
110 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
302 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
198 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
116 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
293 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
489 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
376 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
74 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
441 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 + ...
32
votes
5answers
5k 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
486 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
127 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
319 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: ...