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Questions tagged [power-supply-unit]

Questions related to power supply units, aka PSUs

PSU is an acronym for Power Supply Unit.

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Recommendation for a redundant 60V DC Powersupply

We have some Telco-Equipment in our data space center which we had been given by our Telco. What they didn't provide is a redundant power supply and therefore we are struggling with outages of this equipment. What I am searching for is a redundant…
Lairsdragon
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How does the Belkin OmniView Remote IP Manager (IP KVM) do Hard Reboots?

I am looking to get an IP KVM for a single server. The features tab on http://catalog.belkin.com/IWCatProductPage.process?Product_Id=291011 shows that the OmniView Remote IP Manager can do hard reboots i.e.: Supports serial devices such as PDUs, to…
Techboy
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What could cause a NIC to produce audible noise?

I have a PC that produces audible noise/screeching correlated to network activity. The noise is high-pitched and somewhat difficult to locate, however it seems to be coming from the power supply. It's clearly audible over the PSU and CPU fan noise.…
geofftnz
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Is there any Linux mechanism to emergency-flush filesystem buffers on power loss?

A common "gotcha" with computers can happen when power gets cut to the computer without warning. Because the system loses power suddenly, it doesn't have a chance to flush cached filesystem data to disk, which means that some recently-"written"…
Jeremy Friesner
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Using (dual) ATS for dual PSU server?

There's two parts to my question: Does it make sense to hook up a dual PSU server to an ATS to speed up failover to the secondary circuit? If yes, does it make sense to use two separate ATSes to mitigate hardware failure of a single ATS? I've…
elleciel
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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 obviously the casings of the equipment are connected…
divB
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How to power-up PSU from Proliant DL185 without mobo?

I have an old Proliant DL185 G5 server with a 447325-001 Power supply backplane. Two connectors seem to be interesting, one is what looks like an ATX-power connector and connecting green to GND spins up the fans of the attached 449840-002. The…
Octetz
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HP DL380 G7 Power Calculation

My current Config HP DL380 G7 2x E5620 CPU (80 W each) 8x 16 GB 1000 MHZ DDR3 Ram 4x Sata SSD Dual 460 W Power supply. Can I replace cpu's with Dual X5675 (95 W each) ? HP Power Advisor tool says that i can. https://i.stack.imgur.com/c0UlH.png
minaretsbayonet
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Newbie to Supermicro redundant PSU

Until recently I have never had a redundant PSU or a rack server for that matter. So, I think maybe I did this wrong? I have a Supermicro FatTwin 6026TT-HDTRF (CSE-827HD-R1400B case) that comes with a 1400 watt redundant PSU. I plugged both supplies…
Robert Wooden
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Grounded outlet on external hard drive

Is there any value in getting an external hard drive with a grounded power supply? Would grounding the drive protect it from a static jolt from my hand when I pick it up? I've only really ever used the huge 5.25" external housings (they usually…
user9748
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What does orange light on power supply mean?

I have an Intel® Server System P4000CP Family. Today I've discovered that one of power supply has green light, second power supply has orange light. What does it mean?
4per
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Rel-time monitoring on Redundant PSU's

we're using 3 HP DL380 Servers with redundant power supplies and vmware esxi hypervisor is installed. is there a way to determine the actual status of the power supplies in real-time? current voltage input and output, amperage, etc. i cannot find it…
fink
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Zippy/EMACS G1W2-5760V3V Power supply manual or pinout information

I now have two different sizes of emac's power supplies and both have 2 extra pairs of wires, Red and black as well as yellow and black. On the model above they both have 2pin push connectors with wings slimier to a 3 pin fan header on the other…
Kendrick
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What PSU form-factor do I need?

So I finally got my Fantec SRC-2080x07 2U server chassis replacement. Only to find out that the Be Quiet TFX Power 2 300W Gold PSU that I ordered, is too small to fit. Here's a picture of the PSU in the server case: I thought a TFX form factor…
xorinzor
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Does it make sense to connect a redundant power supply to a C14 splitter?

Recently visiting a small data room, I noticed that redundant power supplies of a server are connected through a C14 splitter which, in turn, is connected to a single socket of a UPS. I told the person who was showing me the data room that in my…
Arseni Mourzenko
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