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.

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9 votes
4 answers
9k views

Why use rack servers over tower servers?

Aside from space, why use a rack mountable server over a tower server? Or is space the only reason... Tower servers are cheaper, more space for cooling, and more expandable... Why rack mount?
3 votes
4 answers
865 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 ...
0 votes
4 answers
781 views

Is it possible to place your own equipment with AWS/GCE/Azure?

Is it possible to host/colocate your own rack servers/equipment in Google's/Amazon's/Microsoft's data centers? Google has an option for hosted private HSM but explicitly notes that this is not a ...
8 votes
8 answers
1k 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 ...
0 votes
1 answer
215 views

Use of dual-port NIC

I was wondering, what is the purpose of a dual-port NIC on a blade compute unit, in the context of a datacenter rack, like which of these configurations is more in line with modern datacenter ...
0 votes
1 answer
141 views

Migrating tower servers to a rack sytem

We have a small office but I'm starting to see the benefit of a rack. We have: Windows Server as a DC and for file hosting. Linux machine for the phone communications. DVR for the cameras (rack form ...
1 vote
1 answer
42 views

Nice server rack cabling - with higher bandwidth?

Is that even possible? No, not being snippy here. Cat 5/6 you get in a lot of lengths. Nice. Shorter one, larger one. QUIT flexible, doo. Then you hit 10 o r 25 or in this case 100g. The DAC (Direct ...
1 vote
1 answer
115 views

Matching rails to a server and rack

I have acquired a number of Gigabyte GS-R22PHL systems, which came without rails. Manuals and website make no mention of rail kits, and Gigabyte is not a huge seller of datacenter hardware, which ...
2 votes
1 answer
934 views

How to upgrade APC Rack PDU?

I have an APC Rack PDU AP7920 (hardware revision B2, manufactured 07/21/2012). When I log in via telnet I get: American Power Conversion Network Management Card AOS v3.3.4 ...
20 votes
11 answers
21k 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?
3 votes
2 answers
3k 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 ...
0 votes
1 answer
124 views

What kind of slide rails do I need?

I need to install two servers from Supermicro in a 19" rack with round holes on the vertical rails. The Repon slides that came with the servers typically install in a 19" rack with square ...
19 votes
4 answers
4k views

Plugging in a server rack with UPSes into a room that has its own UPS backup issues

Thank you everyone who's responded. There's been a common theme in some of the responses that I wanted to clarify since I wasn't clear in my original post. This is an upgrade that will replace their ...
0 votes
1 answer
787 views

Will 'Desktop' RAM work in a Rack Server?

I am very new to Rack servers and am exploring options for RAM. I am looking at the Dell PowerEdge R710 I have found this PDF which explains memory requirements. It however does not mention ECC, ...
2 votes
0 answers
37 views

Server Rack Relocation...Least Bumpy Option?

So I have a floor-standing half rack on wheels. Something similar to this --> https://www.amazon.com/StarTech-com-Portable-Server-Rack-Cabinet/dp/B006ZLV5HA. It's loaded up with server equipment ...
21 votes
3 answers
23k views

Economical way to get many harddrives into rack mount?

Please bear with me as being a bit of a newcomer at 19" rack-mounted equipment. I've thought a fair bit lately about the best way of getting 4x or 6x of 2.5" hard drives into my rack and are ...
1 vote
1 answer
883 views

Grounding of a server rack on wheels

I have a 42HE 19” server rack which houses a bunch of equipment (UPS, PDU, server, network, ...). It has wheels so it’s easy to move and it stands on a concrete floor. The rack is out of metal and ...
-1 votes
1 answer
192 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, 1 ...
0 votes
2 answers
69 views

How to work out the rack requirements for a specific machine?

first time trying to work out what rack to get for a specific machine. The machine I am looking at is 1U and 400mm (15.5 inches) deep. I am hoping to be able to use a 450mm (17.7 inches) deep rack ...
-2 votes
1 answer
223 views

What will I need to create a web server out of an R710? [closed]

I recently got hold of an R710 (DELL PowerEdge) & want to use it to host multiple sites. I did not come with any HDD’s but I was told I need one with Windows Server. I currently host my sites on a ...
0 votes
1 answer
163 views

Patch panel with J45 Cat6 female/female connectors very fragile connection

I have a patch panel with the following female/female CAT6 RJ45 snap-in connectors in my cabinet: It basically serves as a pass-through for the cables at the front to the cables at the back and vice-...
-2 votes
1 answer
315 views

What are the advantages and disadvantages of tower and rack servers

I would like to know what are the advantages and disadvantages of tower servers on rack-mounted servers and vice versa. In terms of performance, safety, cooling system, maintenance... I want to know ...
0 votes
1 answer
404 views

Can a Vertical PDU be mounted in an enclosed rack?

I purchased an enclosed 12U rack as well as Vertical (0U) PDU, but can't figure out how to mount it in the rack vertically. I assume I need to mount it on the side posts of the enclosure, since, if I ...
7 votes
3 answers
9k views

How to decrease humidity level in a server room

We have a small server room and the humidity level inside the room is far from the ideal. We have been measuring it between 60% and 68% for 3 months. Ambient room humidity inside the building is about ...
3 votes
2 answers
1k 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)?
-1 votes
1 answer
218 views

iLO Interface connections of storage device in the server rack [closed]

I have a setup of 3 racks. In each there are 2 storage server (HP DL560 GEN8) and 4 compute server (HP DL360 GEN8) and 2 control planes (HP DL360 GEN8) and on top of the rack 2 patch panels. Above all ...
0 votes
1 answer
257 views

How compatible are rack-mount server rails across different manufacturers?

I have a bunch of rackmount chassis manufactured by Chenbro which were sold without rack-mount rails. I have an opportunity to purchase a bunch of second-hand rack-mount rails manufactured by ...
0 votes
0 answers
401 views

Must a patch panel be initially terminated in the rack?

If Cat6 Ethernet cables were terminated to a wall mounted patch panel, is there a method to move the patch panel to a rack (without having to cut them and reterminate them)? Is a patch panel coupled ...
0 votes
2 answers
88 views

Is there a command to physically identify a particular Allied Telesyn switch in a rack among multiple switches?

I have several identical older Allied Telesyn switches (model AT-FS8326) mounted in a rack without any labeling. I know their IP addresses and I have the access to their CLI over the SSH protocol. I ...
17 votes
15 answers
13k 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 ...
11 votes
5 answers
2k 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 ...
0 votes
1 answer
82 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 hard ...
4 votes
1 answer
5k 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 ...
-4 votes
1 answer
213 views

Rackable 2U LCD Personalization

So I have several of these machines, however rather than physically labeling them (which I'd rather not do because there is really no place to do it, I would like to have the computer name displayed ...
2 votes
1 answer
2k 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 vote
1 answer
244 views

Redundant power solution in datacenter rack

We have two racks in a datacenter, currently powered by two independent sources. All devices are distributed across four different power extenders, and a few critical ones are first connected to a UPS ...
-4 votes
1 answer
49 views

Replace HDD Cage with another one

I have a HP Rackmountable 2U Server (HP ProLiant SE326M1). This Server has a P410i Raid Card with a hdd cage for 25x 2.5" SAS HDDs. Since 2.5" SAS HDDs are pretty expansive, I want to replace the cage ...
0 votes
2 answers
244 views

What kind of server rack is this? (Type and possible manufacturer)

I'm not sure what kind of server rack this is or what to call it (half-height, open/etc.) When identifying this rack in the field, what would you call it as a description to someone over the phone? ...
9 votes
4 answers
42k 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 ...
2 votes
5 answers
23k 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 ...
2 votes
2 answers
219 views

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 ...
6 votes
3 answers
247 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 ...
0 votes
2 answers
345 views

Rack server with NVidia or ATI GPU

For testing our software product we need to generate raster images on a machine with a ATI or NVidia Workstation graphics adapter. Currently we keep a external desktop machine connected to the rack ...
75 votes
18 answers
28k 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: ...
-1 votes
2 answers
402 views

How can I adjust the name of a process I run?

I have a rack/ruby application on a server. I run it as follows: nohup rackup -o 0.0.0.0 -p 1234 & In the output of "top" command it appears as simply "ruby" PID USERNAME THR PRI NICE ...
6 votes
2 answers
3k 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 ...
1 vote
1 answer
300 views

Rack PDU with IP control and surge protection

Im speccing up a new 16A PDU for a 42u rack build, i need a PDU with IP control so that i can power cycle devices remotely. But I've noticed that most PDUs with IP control don't have surge protection ...
0 votes
0 answers
57 views

Stabilising feet for HP rack

I have inherited a HP 10636 G2 42U rack and I'm trying to work out the stabilising feet. Here's a photo of one of the corners (the castor is visible behind the metal bracket): https://i.stack.imgur....
-3 votes
1 answer
87 views

Server Rack setup, correct? [closed]

I plan to build my server inside a rack. It is pretty simple but not cheap so I wanted to know if everything fits? Parts: -https://www.amazon.de/Serverschrank-stehende-Schrank-Traglast-RAL7035/dp/...
2 votes
1 answer
115 views

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 ...

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