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.

learn more… | top users | synonyms

1
vote
1answer
231 views

Storage Chassis Rack Location

There are so many configurations of racks, it's not even funny. Where do you guys keep your storage located? I think the problem I'm having is that they're currently set too high in the rack and ...
0
votes
2answers
404 views

Dell PowerEdge 750 [closed]

Can I use Dell PowerEdge 750 just 1U without a rack at home? Does it need cooling? I want to have a low end server for learning.
2
votes
3answers
542 views

Lock a server within a rack of several servers

I have a 42 RU Dell rack with several 2RU servers in it. I need to prevent physical access to one of the servers in the rack, but not the others. The face plate that comes with the Dell servers is ...
17
votes
1answer
1k views

How to correctly move a server inside a rack up and down

Maybe a bit stupid question, but Sometimes (rarely but it happens) I need to move a server in a rack 1-2U up or down. What do you think, which of the ways is the most correct and useful and why? ...
2
votes
1answer
638 views

What fiber should I run between 2 floors in a company site?

I'm helping a customer in moving his company to a new building. There we'll have two racks on two different floors to accomodate various servers and switch infrastructure. We'all also use the ...
1
vote
2answers
250 views

Software/Service for Controlled Shutdown/Startup of a Server Room

We are looking for a solution to automatically shutdown server room equipment in a controlled process, based on priority, automatically during a power outage and on demand if necessary. We would also ...
2
votes
5answers
666 views

Power strategy for first server rack

We are about to install our first server and networking rack at my office. I'm more of a programmer than a sysadmin, so I'm learning as I go. Let me start by saying that it's just a router, patch ...
3
votes
1answer
1k views

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 ...
9
votes
5answers
3k views

Rack layout recommendations

We have a 24U rack in our lab and I'm going to completely redesign it during the next weeks due to the scheduled big hardware upgrade. I have a couple of the questions about the layout of the server ...
1
vote
4answers
290 views

What is the most probable cause for two memory modules to fail simultaneously on a rack mounted server?

Having spent some time on a rack mounted server yesterday afternoon we are now trying to determine the most probable cause of two DDR2 modules failing on an IBM server simultaneously. The server ...
2
votes
3answers
3k views

Cage nut sizes: is 10-32 the same as M5?

For an old 19" rack, I need to buy some cage nuts for round holes. You can't get them here in the Netherlands, it seems, but Amazon has them. However, I don't want to get US sized thread... Amazon ...
5
votes
1answer
961 views

How good is the noise reduction on an XRackpro2?

Some manufacturers of soundproof rack equipment such as Kell Systems or Acoustirack do quote noise reduction figures but I can't find any specifications for an XRackPro2. Given the evasive nature of ...
14
votes
10answers
5k views

Mounting a server by only its ears?

Is it possible (and safe) to mount a 19-inch 4u rack server on a 2-post rack... by only its ears?
7
votes
8answers
865 views

Datacenter Power Consumption Table

Does anyone know of a good centralized resource that contains a consolidated list of server specifications relevant to the data center? Looking for Rack U sizing, power consumption, etc. for ...
11
votes
5answers
1k views

Server rack recommendations

I'm putting servers on a rack for the first time, and am thinking a 4-post open frame rack is adequate for my needs. I'm putting in a few HP DL 385's and a few other things. What I'm wondering is if ...
6
votes
7answers
3k 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 ...
1
vote
3answers
298 views

Rack servers that officially support CentOS

Does anyone know of any manufacturer that lists CentOS as an officially suported OS? Fujitsu and Dell don't support it. I'm specifically looking for CentOS support; vendors that only support RHEL ...
3
votes
6answers
1k views

Can I mix and match rack mount servers?

I want to know if all vendors rack servers are compatible with all rack chassis?
4
votes
1answer
2k views

PDU says to ground to rack with “thread making screw”.. this is impossible?

I'm trying to use the 'thread making screw' to ground my Dell PDU to the Rack, however the metal on the rack is impossibly hard. Is this even required? The included screws don't even seem "thread ...
3
votes
3answers
340 views

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 ...
4
votes
2answers
675 views

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 ...
2
votes
1answer
3k views

Estimation of server cabinate weight?

Anyone got any idea what the aprox weight of a half size server rack (with stuff in it) would be? Assume a 24U dell rack with 4x1Us and 4x2Us, switch, kvm unit, cables and a couple of low end UPS ...
14
votes
5answers
8k views

Why do rack switches have their ports on the front?

I've ordered some rack hardware from Dell. A 42U rack, a 3U EqualLogic SAN, two 1U PowerConnect 5424 switches, three 1U PowerEdge servers, and some other stuff such as a tapedrive, firewall, UPS, etc. ...
12
votes
4answers
4k views

Is it okay to put a 2U server in a 2-post rack?

I have a Dell R710 2U server. It's pretty heavy, so it seems to me like it needs support in the front and the back, but we only have a 2-post rack. The rack is bolted to the floor, so it's pretty ...
1
vote
1answer
393 views

Where to buy rackmount kits for sonicwall and 3com switch [closed]

Does somebody know where I can order some rackmount kits that fit with a sonicwall nsa 3500 firewall, 3com 3300mx switch and 3com 4200 switch. They got lost when we moved to a new office
0
votes
1answer
171 views

I have one server that I want to put in a datacenter

I only have one server. I don't need a whole rack. What's an economical option for this? Is there any way to sublet part of a rack?
0
votes
1answer
969 views

What size screw to use with IBM NetBay clip nuts or cage nuts?

What is the correct size screw to use with the clip nuts or cage nuts that come with an IBM NetBay 19" rack?
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 ...
7
votes
10answers
20k views

Rack layout tools [closed]

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
2answers
226 views

Securing 2 post rack or securing patch bays?

We have a shared 2 post relay rack in a shared room in our building (Chatsworth brand). It only has patch bays on it (using 12U out of 46). We'd like to prevent anyone from just walking into the room ...
2
votes
4answers
2k views

Dell PowerEdge: powersaving BIOS settings differences

I'm closing in on purchasing a Dell PowerEdge R710 rack server and am curious to know the difference between Dell's power saving bios setting and their performance bios setting. Should I be concerned ...
0
votes
5answers
218 views

Server Systems under Extreme Environmental Conditions [closed]

During my study I have to do a student research project about server systems under extreme environmental conditions. Unfortunately I have really no experience with such systems. I already did some ...
2
votes
7answers
2k views

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 ...
1
vote
2answers
744 views

How to open HP rack keyboard/monitor tray

We have maybe 5 of these HP racks. On all of them the keyboard/monitor tray is very finicky. Sometimes it gets stuck and the drawer tray will not open. While stuck, repeated wiggling of the tray ...
13
votes
15answers
4k 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
5answers
929 views

Specialized Mounting Brackets

We are currently upgrading our tower based build server to a new 19" rack mounted unit for our software development team. Our new rack server has a maximum depth of 22 inches. So to accommodate this, ...
9
votes
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 ...
52
votes
17answers
11k views

Do you skip a rack unit between servers?

It seems like there's a lot of disagreement in mindsets when it comes to installing rackmount servers. There have been threads discussing cable arms and other rackmount accessories, but I'm curious: ...
2
votes
7answers
5k 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 ...
5
votes
1answer
1k views

Low-noise fans for Sun 1U rack server?

I use a Sun Fire X2100 M2 (Opteron) 1U rack server for development purposes, and the system has these noise specifications: Idle, at or below 25° C 6.9B Max, at ambient: 7.3B In other words, it's ...
6
votes
5answers
3k views

How does a blade server differ from a normal rackmount server?

This may be a question but I thought I would ask even so.
0
votes
2answers
923 views

Does the EIA-310-D Spec discuss Vertical vs Horizontal rack mounting

Is it possible for a rack designed to store servers on their side (blade style) to be EIA-310-D-compliant? I suspect not, but reading the spec I couldn't find any explicit statement about it. I know ...
7
votes
8answers
4k views

Any reason to use a rack-mountable server if I lack a rack to mount it on?

I'm somewhat new to server hardware, and was wondering if there was any reason to purchase a 19-inch-rack-mountable server as opposed to a standalone (tower) system, or any difference between the two ...
46
votes
7answers
5k views

Cable Management Policy

We've all seen good and bad examples of cable management. What are objective, measurable requirements that can be used in a policy to maintain cabling order in the rack/server room/data center? ...