Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [power-distribution-unit]

Questions related to power distribution units (PDU) or mains distribution unit (MDU) which are devices fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center.

A power distribution unit (PDU) or mains distribution unit (MDU) is a device fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center.

53 questions
1
vote
1 answer

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 and then to one of the power extenders. Our wish…
Jax
  • 11
  • 2
1
vote
1 answer

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 on them. I can find lots of surge protected PDUs…
sam
  • 173
  • 3
  • 15
1
vote
1 answer

Surge Protector for PDU and Servers

I am going to be attaching my gear in this order: 20 amp outlet => Surge Protector => PDU => servers. My current PDU says in the manual "does not provide surge or line noise protection". I have been doing research but am a bit confused on the joule…
invulnarable27
  • 183
  • 1
  • 3
  • 8
1
vote
1 answer

desperately need 110v from a 208v pdu

I'm in a bit of a pickle... We're moving a client's infrastructure to a colocation facility. We have redundant 208v/30amp PDUs. While installing today, we realized that the client had a small collection of devices (fax modems, etc) that must have a…
LinuxGnut
  • 217
  • 3
  • 9
1
vote
3 answers

Are there any "Zero-U" PDU's that allow for power management/remote power control

I can't seem to find any PDU's (in general) that fit a 24U server rack that don't require at least 1U of rack space. (I'd prefer Zero-U) that allows for remote 'reset' of the power ports as well as monitoring features. Can anyone guide me to…
Mindflux
  • 120
  • 4
  • 12
1
vote
1 answer

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
  • 1,550
  • 7
  • 31
  • 49
1
vote
2 answers

snmpwalk: Decryption error for APC Rack PDU

I have an APC Rack PDU (AP7920) and have configured: [x] Enable SNMPv3 access Username: switch Authentication Passphrase: test Privacy Passphrase: test Authentication Protocol: (o) MD5 Privacy Protocol: (o) DES Access Control: [x] Enable, Username:…
divB
  • 568
  • 1
  • 7
  • 23
1
vote
0 answers

UPS and PDU options for NEMA L6-30P

I have to say I don't know enough about supplying power to a rack. So here goes: This is for a room that will host network equipment (and maybe a server), in an office. Room has: some 120VAC outlets; one 30A, 250VAC outlet. This is in the…
JDS
  • 2,598
  • 4
  • 30
  • 49
0
votes
2 answers

automate settings change on multiple power appliances

I'm trying to automate the task of changing settings on 100+ power appliances via SSH but each settings change has multiple interactive prompts. Is this possible or does anyone have an example of how to do this with Python/bash script?
iisor
  • 41
  • 4
0
votes
1 answer

APC PDU has wrong idea of its outlets

I have a APC rack PDU here. It should be AP7953, although that doesn't show in the telnet interface: About System Model Number : Serial Number : NMC Serial Number : Manufacture Date : ~ Hardware Revision : MAC Address : 72 61 73 65…
Ansgar Esztermann
  • 291
  • 2
  • 3
0
votes
1 answer

Step-Down 400/230V to 120V without a stepdown transformer

At my current data center, 400/230V is delivered to the racks. Is their any way I could step this down to 120V without a transformer? I'm trying to see if maybe there is a PDU that exists that can do this for me. The power receptacle is L22-20 and…
Martin Fi
  • 1
0
votes
2 answers

How to diagnose false positives with a smart PDU ping'ing devices on LAN

Ive got a smart PDU (Pakedge) which pings, various LAN devices in the rack and if they dont respond it power cycles the associated power outlet to reboot the device, it also sends me an email alert. What safe guards can i put in place to stop false…
sam
  • 173
  • 3
  • 15
0
votes
1 answer

Difference between a power strip, a power distribution unit (PDU) and a remote power switch?

I would like to know what is the main differences between a power strip, a power distribution unit (PDU) and a remote power switch. Thank you.
MarAja
  • 203
  • 3
  • 6
0
votes
2 answers

It is possible to visualize the load of an APC switched PDU for a specified period of time?

There are some APC PDUs AP7953 and now we think about a solution for check the load over a period. We don't need a 100% correct Value only a trend on which hours we have more load to localize peeks in the Powernetwork. If I log into the PDU I can…
kockiren
  • 886
  • 3
  • 14
  • 37
0
votes
1 answer

Is there some software available to centrally manage APC IP enabled PDUs?

I am not looking for a recommendation of which one to use, just an answer as the whether anything to do this exists. We have a few dozen AP7921 & similar units that until now we have managed on an idivudual basis. Already collect power usage info…
TafT
  • 233
  • 2
  • 12
1 2
3
4