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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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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, they need to get near the front of the rack…
alx9r
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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 properly grounded? Is it because of concerns for…
Nic
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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 sturdy. In general, is it okay to flush-mount a 2U…
Derek Kurth
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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 racks within few minutes. Does anyone know of any…
Chris Dale
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Racktables/Rackmonkey any usefull rack management Software out there?

So what is everybody using to manage their racks. We are currently using MediaWiki with quite a lot of custom templates for the servers/racks and virtualised instances. I looked at racktables.org and Rackmonkey. Both look quite nice but don't quite…
serverhorror
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rack-mount goodies?

There's tons of rack-mount stuff around. What accessory you didn't know back then and now can't live without? HTTP controlled power switch with ACL has saved a lot of time. Just give customer access to power-off/on their own server anytime so they…
raspi
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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 comparison to the rest of the equipment on the…
Cha0s
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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 colo provider works ahead to bold down our racks…
Dan
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Good 1U Rack Firewall

I'm trying to find a good 1U rack firewall at a reasonable price. Most pricing is completely out of space (thousands of dollars? Why?). I don't want to list all features I need/want (there are too many variations but I don't care about most of them)…
AX1
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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 there's reason to be picky about the rack…
Dan
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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, two Dell rail mount UPS units, a direct attached…
user426724
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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 approach is to look at the nameplate draw on my…
Andy
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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 lot of possible sysadmins and netadmins (around…
chmeee
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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 components: UPSes. At this moment all UPSes (we…
disserman
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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 about choosing the power saving setting? I'll be…
JohnyD
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