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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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 ...
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1 vote
1 answer
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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 ...
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Connecting an APC RackPDU directly to a Lantronix terminal server

I have an APC Rack PDU (AP7920) and a Lantronix ETS16P RS232 terminal server. I would like to connect the RackPDU directly to the Lantronix. The RackPDU has a serial RJ12 connector and the Lantronix a ...
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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 ...
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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, ...
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19 votes
4 answers
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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 ...
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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 ...
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1 vote
1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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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-...
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7 votes
3 answers
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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 ...
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-1 votes
1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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2 answers
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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 ...
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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 ...
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1 answer
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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 ...
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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 ...
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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 ...
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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? ...
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2 votes
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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 ...
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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 ...
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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 ...
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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): http://imgur.com/a/LLP4K ...
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-3 votes
1 answer
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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/...
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2 votes
1 answer
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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 ...
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Cable management in cabinet and between cabinets

We currently have three cabinets that over time have turned into a spider web. These racks host Servers (power an ethernet connections in the back). Network switches, Firewalls, Routers etc. (all ...
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Choosing the correct server rack width

I am required to setup a server rack 42HE that keeps some 2HE rack servers with following dimensions: 89 mm (H), 437 mm (W), 647 mm (D) The rack i want is a 19" one and available in these dimensions:...
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1 vote
1 answer
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How is air-flow designed in closed racks?

I have seen (older) racks which are fully-closed. For example similar with plexiglass doors: Or with metal doors without any grid/holes. Are such racks designed for data-centers with raised floors ...
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Difference and compatibility between IBM, Dell, HP server rails

There are 3 main builders of pizza box format servers (19" - 1U, 2U…): IBM Dell HP They all three sell their own rails for the standard or proprietary bay to mount their devices in racks. But what ...
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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 ...
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1 vote
1 answer
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What are the considerations which decide the server Dimensions in Rack Servers?

In a DataCenter, say a rack is 42U high. Some rack servers in that rack can be full-width and 1U high, while some servers can be half-width and 2U high. Yet others can be half-width, 1U, but double ...
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Experiencing lower inter-rack ethernet speed compare to that of intra-rack

I have a cluster with 32 machines. The first 25 machines are on the first rack and the rest 7 machines are on the second rack. Each rack has a 1Gbps Ethernet switch. The network communication between ...
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2 votes
1 answer
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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,...
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Can an OS utilize all 4 nodes (4 x 2(22 core) CPUs=176 cores) in a server rack like C6320?

Are the 4 nodes in the C6320 utilized as 4 different sets of CPUs in a hypervisor?Or can they be all used under one OS? Can all of them being used in a 22 x 8 = 176 core system in say Windows?
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Using an earth bonding plug for grounding server rack enclosure

Can an Earth Bonding Plug be used to connect a server rack enclosure for the purposes of electrical grounding from a safety perspective? I've read How do I ground a network switch? (among other ...
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0 votes
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Are Rack-Servers always loud? [closed]

So, I'm thinking about getting a rack server (one blade) at home for stuff like gameserver, rendering, webserver, cloud etc but I'm worried about the loudness of the fans. I've only seen one single ...
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1 vote
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19" network rack shelf depth?

I am wishing to buy a network wallmount 19" rack, with a gross depth of 400mm. How can I know in advance what is the maximum depth of a shelf and what should be the minimum free space between the end ...
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Mounting equipment that only occupies half the depth of the cabinet?

I'm a bit naïve at all of this (sorry!), but I have to install a bunch of equipment in our co-location facility. We have a switch that only occupies half the "depth" of the cabinet. How do I mount ...
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4 votes
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Is there a best placement of hot hardware in a rack to maximize convection cooling for the whole rack?

To maximize convection cooling in a rack, does it make a difference whether the hottest items are at the top or bottom? If so, which produces the most cooling and why? Please limit answers to ones ...
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Can any standard rack server or enclosure be mounted on sliding rails?

I'm looking to buy an empty rack-mounted enclosure (2U to 4U) to fill with some custom equipment. One of the requirements is that we can easily open the enclosure top and access the contents ...
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1 vote
1 answer
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Has anyone purchased an AcoustiRack?

Looking for first hand experience with an AcoustiRack. Noise is fairly important. The main concern is heat. The unit will have a few Dell servers r510, r620, VRTX fully loaded, 2 APC UPS 2200va. ...
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Message from application: cannot load such file -- puppet/util/command_line (LoadError)

I have configured puppet with passenger (using - https://docs.puppet.com/guides/passenger.html AND http://www.olindata.com/blog/2014/09/setup-puppet-master-passenger-and-apache-centos ). [root@a-...
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Cooling Solution for CCTV Rack

I'll do my best to provide a clear question. I'm not a network/server guy...just a young controls/systems engineer who knows enough to be dangerous :) My company is working on a major controls ...
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1 vote
1 answer
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Access unreachable foot of server rack?

I have a server rack that is in the corner. Pushed it there with the installed casters. Instructions seem to be to raise the rack off the casters using the adjustable feet. Problem is I can't reach ...
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In a 42U server rack with 12 very hot 2U-nodes, what is a good configuration? All nodes at the top or bottom?

Currently we cannot fill the 19" rack completely. So we have 12 GPU nodes, 2U each. The 42U rack is connected to a cooling unit that blows cold air in front of the computers, sucking in hot air from ...
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Install Ubuntu LTS on a Primergy RX300 S4

I'm a sysadmin beginner so bear with me. We got delivered a Fujitsu Primergy RX300 S4 rack server and we need to install Ubuntu LTS 14.04.3 on it. The supported OS have not listed Ubuntu or Debian - ...
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