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Questions tagged [rack]

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.

A rack is a frame or enclosure in which servers, networking equipment, and associated equipment is mounted.

The industry standard for racks is the 19-inch rack, so called because it mounts equipment 19 inches wide.

Racks are measured vertically in rack units (U) of 1.75 inches. The most common full-size racks used in data centers are 42U tall, though smaller racks are available for specialized applications.

For questions about the Ruby framework, use the tag .

204 questions
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Replacement Rackmount ears?

I have some 1u and 2u cases where the ears mysteriously disappeared for them, so the cases are loose. My googlefu seems to be weak, are there places that sell "generic" rack ears for 2u cases, or replacement ears for dell switches? Outside of a…
DuPie
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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?
Myles Gray
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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 nginx configtest nginx: the configuration file…
Anadi Misra
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3
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2 answers

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 situation we have 5 racks where the furthest to the…
RippieUK
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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)?
Fidel
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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 various reasons, we want to run this on-site in our…
mikera
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4 answers

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 a really heavy one) if I mount it at the center…
Soviero
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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 the Pulizzi power distribution units at the bottom…
murisonc
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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 through. Can the Dell rack enclosure be completely…
Jennifer
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3 answers

Linux embeddable cheap rack server

I want to embed my network connectivity application into a linux installed rack-mount server and sell it bundled. I googled some but couldn't figured out which it would be? Do you have any experiences with these types of hardware and recommend…
Harun ESUR
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2 answers

What is the name for the pieces of metal in a rack that cage nuts are installed into?

You would not believe how much consternation this simple question has caused my office. :) When installing cage nuts to mount rails or equipment, the nuts are clipped into a piece of metal with square holes, usually labeled with the rack unit…
Mikey T.K.
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Rack Power Draw Reliability

I am responsible for several racks worth of gear, and as part of a datacenter efficiency project, I need to move some gear around. One constraint I'm running into juggling these servers around is PDUs loading. One particular part of the plan…
jldugger
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What is "Node Composing" in Intel RSD?

Intel Rack Scale Design (RSD) has some concepts like "Disaggregated Hardware" and allows "Node Composition", but I am not able to find what exactly this is or how it works. EG If a rack has 4 servers, each with its own Processors and Memory and…
Prem
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Side-effects of having different Memory (RAM) in a server? Example 1600 Mhz and 2100 Mhz

I know that you should always have the same memory clock speed and in best case even the same manufacturer meaning the same RAM Module. But what happens if you use for example the following setup: Server with 32 GB Memory 1x 16 GB DDR4 1600 MHz 1x…
RayofCommand
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7 answers

Rack mounted cooling unit?

We have a small mini rack which houses an X-Serve, Raid and Router. We added some more high performance fan units but still find that it gets quite hot in there and have recently been having to keep the door open. Can anyone recommend some kind of…
Louis W
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