Questions tagged [power-supply-unit]
Questions related to power supply units, aka PSUs
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If I hot swap a power supply to a larger wattage, will it damage the server?
I have a Dell Poweredge R720 server with 2x redundant 750 Watt power supplies. If I wanted to upgrade those to 1100 Watts without shutting down the server and go through the process of hot swapping ...
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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 ...
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Plug single PSU into two different power sources
We have a rather uncommon situation:
We have a server in a computer center. Its got not enough spare space to put in a redundant PSU. Nevertheless, we want to attach the single PSU to both existing ...
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How do I get the power consumption of a Dell Poweredge server on the CLI?
How can I measure the power usage of a Dell Poweredge server from the command line interface?
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Understanding ipmitool output for "Power Supply" (PSU)
This Ubuntu server has two PSUs, I just ran ipmitool and it reported as follows:
# ipmitool sdr type "Power Supply"
PMBPower1 | DFh | ok | 10.0 | 624 Watts
PMBPower2 | E4h | ...
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Sun X4100 power supply failure LED on, but PSU working
I have a Sun X4100 with dual power supplies. The "rear PSU" LED comes on after the system is powered on and has gone through the self-test. Both power supplies are working just fine -- I can take out ...
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What's the name of the component that allows a hot-swap power supply to slot-in and provides all the cables in a 1..4U server?
In contrast to consumer grade PSUs, server PSUs sometimes come without cables. From what I gather, these are usually of the redundant variety or so called "1+1" configuration. I wander if ...
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Cisco UCS C220 M4 PSU Fault In Diagnostics
Hello fellow Sysadmins.
A C220 M4 with the latest recommended firmware I am working on displays the following fault messages on latest version diagnostics at Server Health:
PSU1 PSU1_PWRGD: Power ...
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HP Blade System 7000 - Fans About to Take Off
We've noticed lately that our HP Blade System 7000 sounds like it's going to take off. The top 2 PSU on the right are incredibly loud and blowing out significantly more air than the 2 to the left or ...
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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 ...
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ipmitool sensor: does not detect backup power supply
Why doesn't ipmitool detect my second power supply?
I have 2 powersupplies plugged into my machine, but calling ipmitool sensor only shows PS1:
:~$ sudo ipmitool sensor |grep PS
PS1 Status | ...
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How to disable iDRAC status / alerts for absent PSU or input lost
I have a number of Dell PER740 servers running iDRAC 9 in a lab.
As they are in a lab, I only need/want/have capacity for one power supply connected to each server.
However, I cannot find a way to ...
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Is redundant power supply really redundant?
Apologize for my inexperience or if I am missing something important here...
Everyone kept talking about how good it is to have redundant power supply in servers, yet no one talks about a redundant ...
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How can I calculate if a UPS is sufficient for my requirements?
I am not that of an electricity knowledgable person, so I'll try to put as much info as possible.
I have a Rack Mount UPS of 1800 Watts Model: PRP 3050 RM (in total I have 2 of these - talking about ...
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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 ...
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Best way to replace this Antec server PSU
The power supply in one of my servers died.
After a few checks it seems it didn't provided enough power to the machine's hard-disks.
A straightforward solution would be a new PSU but I can't find one ...
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Why do servers have 2 PSU?
I have a Dell PowerEdge 2900 server and it has 2 PSUs, so: Can I run the server by having only one PSU plugged in?
I am not going to have this server on all day and night. I'm just using it to learn ...
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Preserving a mothballed system: soft shutdown, PSU off or unplugged entirely?
I've got a system that looks like it's going to be kept around "just in case" (virtualization has already been explored). Long ago I had another such system but when when it needed to be ...
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Power limit in a 2x1600W server
I have a server with two 1600W power supply units (a Gigabyte GS-R22PHL if that helps).
Should I assume the maximum rated power is 1600W, and that the second unit is for redundancy, or that the ...
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Trying to convert a Dell T420 Single Drive to Redundant. Looking for validating my steps
I have a Dell T420 and read different ways to upgrade it to redundant PSU's.
Details
I saw on Dell's website a thread where a user asked how to upgrade to a redundant PSU versus the single 550psu. ...
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bladesystem c7000 power supply error
I have a hp blade system c7000 with six power supply connected. it turns on with critical error in power supply #1,2,5 and I can't see the power supply 1,4,6 in onboard administrator interface. I ...
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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 ...
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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 ...
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Dell T420: can I replace the original non-redundant power supply with two redundant ones?
A Dell T420 bought in 2015 was originally configured with the single 550W non-redundant power supply. Replacement parts are cheap these days, and I'd like to replace the single P/S with dual ...
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How do I get the power consumption of a Supermicro server on the CLI?
How do I get the power usage of a Supermicro server from the command line?
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Required PSU Power for 12 HDD SATA 7200RPM (i have 20 A on my PSU peripheral channel)
I have a Tower server with today many hard drives and i would like to add hard drives for securing a raid group and also to extend storage capacity.
Hardware spec before adding everything else :
PSU :...
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PSU: 20 / 24 pin +4 pin [closed]
Looks like I need tro replace the Power Supply on one of the machines, but I am confused with the plugs.
The MB (ASROCK 939N68PV-GLAN) has a 24 pin connector and a separate 4 pin (2x2) header.
The ...
CommunityBot
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HP PROLIANT 1300w hstns-pa01 PSU orange/amber light
I bought an HP Server PSU (For mining) - HP PROLIANT 1300w (hstns-pa01) - I plugged it in and it was working perfectly for 12h and 20min, then the rig shut down ( because no power) but PSU fan was ...
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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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How to measure server power consumption?
We have data center running more than 2000 servers. We are planning to shutdown the servers on a weekend for cost cutting purpose. How can we calculate which servers are consuming more power in the ...
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how to turn on Server power supply Lite-ON model PS-2122-8L1 without server chassis [closed]
I wanted build 48v DC power from 4 12v power supply units. Eventually i got my hands on Lite-On PS-2122-8L1 server psu. But after getting it, i am still unable power it on with out chassis. i mean i ...
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Can I safely run a server with redundant power supplies off of a standard 15 amp outlet?
I purchased a used HP Proliant DL380p Gen 8 off eBay. It has dual redundant power supplies, both at 750 watts. Doing the math, I realize that if both PSUs are at peak load, they will pull 12.5 amps ...
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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 ...
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Server suddenly very sensitive to minor brown-outs
We have a number of SuperMicro RAID 10 boxes with redundant PSU, the same model and spec and use the same rackmount APC UPS. One has suddenly taken to rebooting if there is a minor brown-out.
...
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Step up voltage converter in datacenter?
I am setting up a rack in the data center that only has 110V. It is redundant, so I thought I could take one from each leg and get 110V, but when I used a voltmeter last night they somehow are on the ...
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Redundant Power Supply Sloshing (If sloshing is the right word)
I have a Supermicro Redundant Power Supply with two units in it. I also have two UPS units, one for each of the Power Supplys. I was watching the LCD on the UPSs for the watt usage. The total watts ...
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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?
CommunityBot
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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 ...
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At my wits end. What could cause my server to randomly hard reset? (Seems to be related to ZFS)
I have a server that I built years ago that has worked like a champ. But within the past few months it has started to become seriously unstable with no discernible pattern. I have been debugging it ...
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HP Proliant DL380 G7 power calculation
HP Proliant DL380 G7 in year of production has alternative PSU:
750W in "performance" configurations with 2 CPU
460W in "base" and "entry" with 1 CPU
"Power advisor" calculator is not accesible in ...
CommunityBot
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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 ...
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How do servers with redundant power supplies balance consumption?
I have several servers from the HP DL360 line (generations 5-8). Each of these servers has two power supplies installed. The 2 power supplies in each server are fed from different circuits.
My ...
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Using one power supply for my SunFire x4100
Is there a risk on using just one power supply on this server?, I just found out that you can POST and run stuff with only one power supply (even tho I still get the LED errors) , I read the manual ...
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Power requirements for SAS enclosures
I have a Supermicro 4u enclosure with dual 1400 watt power supply running on 220v. There are 24 drive bays. The power supply is rated at 4amps for the 5v output. If I have 24 drives that requires ....
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On boot, server pulls full load of both PSUs -- any way to limit this or mitigate load spike?
I have a giant 24u server (Supermicro 4U X9DRI-F w/ 2x Xeon E5-2680) with 2 1200w PSUs. However, I only have 4 drives in right now, and my actual power draw (under the most stressful loads) is likely ...
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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 ...
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Is there a solution against short power outages except UPS?
I encounter very short power outages quite often. Typically they last for just couple of seconds - perhaps the power grid maintenance staff just flips the switch to "Off" and then immediately to "On". ...
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Power Supply Information
Is it possible to view power supply information of a remote Windows (2008) server? It's a Dell Poweredge R720
The physical server is in a remote location and I only have RDP access. I can't see ...
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Random shutdown, then doesn't power-on until power-plug is pulled out from wall and plugged back in [closed]
We have a workstation machine which, for the past three days, shuts down (apparently) randomly. After it shuts down, if you press the power button, the machine won't start. However, if you pull out ...
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HP ProCurve 5412zl warm-boots on power failure while attached to UPS
My client's HP ProCurve 5412zl chassis switch reboots on occasion, despite being powered through four redundant power supplies and being under UPS protection.
These reboots usually happen during a ...
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