Questions tagged [ups]

uninterruptible power supply

42 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3 votes
0 answers
2k views

Network UPS Tools (NUT) causing UPS to Reboot?

I have NUT upsmon 2.7.2 installed on an OrangePi One running Armbian 5.25 (which is Debian jessie). It is setup to monitor my Tripp Lite SmartOnline SU3000RTXLCS2U using the usbhid-ups driver and ...
radensb's user avatar
  • 131
3 votes
0 answers
141 views

Server not start in low battery (Network UPS Tools)

I have server (Centos 6.5 + nut-2.6.5 + Powercom BNT-600AP USB) everything works well, UPS picks up problems with electricity. When no electricity more than 10 minutes UPS shutdown the server, and ...
snex's user avatar
  • 191
3 votes
0 answers
558 views

Hyper-V Core with Basic UPS options

Good morning, running Dell T610 server with Hyper-V Core, just a few VMs, hardware Firewall & Router. My old Belkin UPS failed today so I need to replace asap at cheap cost where possible probably ...
gary's user avatar
  • 191
2 votes
0 answers
250 views

Configure server to start on power restore

I have a UPS which is configured to shut down my server when power goes off, and turn off the UPS a minute after. The server is an industrial pc Advantech ARK-2151. It has 2 BIOS options for Restore ...
Vallo's user avatar
  • 121
2 votes
1 answer
159 views

Consumer grade UPS – safely provide more outlets/extensions for wall warts?

I am helping a small business redo their networking, and one of the items I recommended was an APC BR1500MS. Their setup would be Wall outlet (standard "home" outlet) -> UPS -> UPS Battery backes ...
solenoid's user avatar
  • 121
2 votes
2 answers
1k views

Estimate power and cooling for server room

We are trying to determine the right power and cooling for a new server room which would be about 350 sq ft., our power is 220V. We are initially only planning to start with a single rack with ...
jackie1100's user avatar
2 votes
0 answers
1k views

Configuring apc ups with ap9630 network management card

I have an apc smt2200 with a network management card. It has a web server on board from which I can configure how it works. Some servers are powered by that ups and they all have PCNS software which ...
Filippo's user avatar
  • 373
2 votes
1 answer
968 views

MGE UPS Cut power - What happened?

I have 3 x MGE Pulsar M 3000 2700w UPS units within my server room which have run perfectly up until now. On Saturday morning I noticed that one of these UPS units was no longer outputting power, ...
JT.WK's user avatar
  • 431
1 vote
0 answers
56 views

APC change to smart slot / card interface

I bought a new APC SMT1000C 1000VA UPS, which has the smart card interface on the back. I was planning to reuse my old AP9606 network card, but I discovered that APC has modified the slot to block ...
TSG's user avatar
  • 1,852
1 vote
0 answers
793 views

UPS network shutdown for Synology and ESXi, USB UPS

I have had a USB UPS for a while now and although I've never had a power outage with it and my Synology NAS, in testing it's worked great connected just with USB to the NAS. Now I've added an ESXi ...
charlespick's user avatar
1 vote
1 answer
195 views

Splunk SNMP Modular Input

I just installed this app and found it simple to setup...but I most be doing something wrong. I've created Trap information on my two UPS devices and haven't had any luck bringing them into Splunk. I ...
YouSayHello's user avatar
1 vote
0 answers
38 views

APC Smart-UPS with two battery sets: Regular switches or not?

I have a Smart-UPS 1500RM in a remote location with two battery packs. In order to maximize the lifetime of the battery packs, is it better to Use one pack until it dies and then hope that the other ...
divB's user avatar
  • 570
1 vote
1 answer
888 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 ...
divB's user avatar
  • 570
1 vote
0 answers
338 views

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; ...
JDS's user avatar
  • 2,628
1 vote
0 answers
336 views

NUT loses communications with the UPS

I am using NUT to monitor my UPS. I have a APC Back-UPS ES 550G, and the NUT server runs on a Raspberry Pi. I use the usbhid-ups driver, which works fine most of the time. However, after a few hours ...
petersohn's user avatar
  • 161
1 vote
1 answer
557 views

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 ...
Robert Wooden's user avatar
1 vote
1 answer
683 views

Shutdown Multiple Servers From One APC USB Port - Power loss event

I've got one Ubuntu box and a Synology NAS. Both are connected to the APC UPS, but only one USB, which is connected to the Ubuntu box. How, specifically, can I get both machines to shut down from a ...
GisMofx's user avatar
  • 121
1 vote
0 answers
600 views

Hyper-V Core Server 2019 ignoring power plan thresholds

I am attempting to tweak Hyper-V Core Server 2019 (host) power thresholds, however my attempts have failed so far. Scenario The newly created Hyper-V 2019 Server (part of Workgroup, not yet a Domain)...
Riccardo's user avatar
  • 253
1 vote
1 answer
245 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 ...
Jax's user avatar
  • 11
1 vote
0 answers
55 views

Is it impossible to accurately measure the health of a Lead-Acid UPS?

In a blog post from Schneider Electric (parent company of APC, the UPS manufacturer), they say that lead-acid UPS batteries "rely on chemistry that makes it hard to accurately predict when they’re ...
Travis's user avatar
  • 375
1 vote
0 answers
204 views

apcupsd commok event fires where there was no commfailure

I have an openSUSE Tumbleweed host connected by USB to an APC Back-UPS NS1080G. For the most part everything works fine and apcupsd keeps track of the status. But lately every few weeks it fires the ...
ShadSterling's user avatar
1 vote
0 answers
1k views

Socomec UPS no longer powers on after power failure

Some time ago I was bought a Socomec NETYS PR RT 1700 and a B2200 extender as payment for a job, intending to use it for a project that fell through sometime later. I started at a new job as IT ...
Aaron Mason's user avatar
1 vote
0 answers
1k views

HP UPS T1500 G3 intermittent buck switching

We have a HP T1500 G3 UPS which we noticed does several short switches to battery quite often during the day, every day. Nothing ever gets reported to its log (i.e. HP Power Protector Notifications), ...
vgru's user avatar
  • 1,297
1 vote
1 answer
1k views

How to verify if a Windows Server shutdown was complete on server hardware before UPS killed power?

Our Windows Server 2012 R2 machine just got its own UPS (APC Back-UPS RS 550G). I'm using the Windows release of apcupsd and since I would prefer if the UPS would turn off after shutdown I also added ...
Energiequant's user avatar
1 vote
0 answers
53 views

How to automatically bring servers up if AC returns before the fail process completes?

I have the following processes in place for an AC power loss: UPS emails an "On battery" message UPS sends a power loss shutdown event to the host OS (hyper-V server 2012 R2) Host OS sends SNMP ...
Alan's user avatar
  • 1,023
1 vote
0 answers
181 views

PowerChute with ESX - how to start the VMs

I have a setup with a couple of ESX servers and two APC UPS. The ESX servers are govern by vCenter and I've deployed vMA (provided by VMWare VM) on one of the ESX hosts and configure it to target both ...
hovanessyan's user avatar
1 vote
1 answer
2k views

apcupsd doesn't show voltage with "SmartUPS 1000 LCD"

I'm trying to config apcupsd on my Ubuntu 10.04 Server, I've got an "APC Smart UPS 1000 LCD" connected via USB ( Bus 003 Device 003: ID 051d:0003 American Power Conversion UPS ). My apcupsd.conf file ...
Fabio's user avatar
  • 21
1 vote
3 answers
701 views

Does anyone know where I could find a 2 input USB voltage meter?

What we really need is a tiny UPS, of sorts. We'll be hooking up a solar cell and a battery to a single board computer. Currently, that SBC is a custom Pic32 device, and it does it's own UPS and ...
John O's user avatar
  • 283
1 vote
1 answer
99 views

Sun (NPR900R) Server Cabinet Input Power Range

The ISP I work for purchased a Sun NPR900R Server Cabinet. For usual operation, a UPS will provide the power supply. Is it possible to operate this at 120 V input range?
Natkeeran's user avatar
  • 163
0 votes
1 answer
299 views

USB peripherals reconnecting and finally disconnecting when on battery power with CyberPower CP1500EPFCLCD UPS

The following happens with my brand new, fully charged CP1500EPFCLCD UPS by CyberPower if I cut power to it (with the home circuit breaker): After a few seconds, my USB mouse starts reconnecting (i.e. ...
Piedone's user avatar
  • 395
0 votes
1 answer
613 views

Configuring NUT for old serial connected UPS (Tripp-Lite)

I have an old Tripp-Lite UPS (SU2200RTXL2UA) which I need to communicate with via it's RS232 Port (this model doesn't have a USB port). I'm trying to figure out which Serial NUT driver would be most ...
Jason O's user avatar
  • 159
0 votes
0 answers
153 views

Server Rack, Power Strips and UPS

I would like to get rid of all the messy power cords behind our server racks by using short power cords (1's and 2's) with multiple power strips connecting to two different UPSs on separated circuits. ...
thebearot's user avatar
0 votes
1 answer
791 views

Starting servers after UPS shutdown when input power is restored

I have a rather simple UPS (Powerwalker VI series) that does not seem to have any sophisticated built-in configuration options. When the power is cut and servers detecting that event shut down after a ...
LetMeSOThat4U's user avatar
0 votes
1 answer
871 views

GE Digital Energy UPS Monitor for Windows

I have a few GE Digital Energy Match Series UPS that beeps and shutdown seconds after startup and before output power is supplied. The batteries are at full capacity. So I searched a number of sites ...
Derek's user avatar
  • 1
0 votes
0 answers
652 views

nut ups master and slave across different networks

I have set up a NUT master and slave and they work great when on the same LAN. Does anyone know if it possible to set them up across different networks? I can't find any reference to this anywhere ...
Madrid1980's user avatar
0 votes
0 answers
974 views

Nut says APC UPS is on battery. It is not

Since 2 days my Smart-UPS 1500 RM reports it is on battery but this is clearly not the case since it's been running for more than two days indicating 100% battery with 01:30:00 running time. Batteries ...
divB's user avatar
  • 570
0 votes
1 answer
220 views

APC SC450RM1U EPO port

I'm looking to get a couple of the APC SC450RM1U UPS's, and within the specifications APC states that EPO is 'Optional' on this UPS. I've had a look through the documentation, and it doesn't describe ...
Just Lucky Really's user avatar
0 votes
0 answers
762 views

Dell MUMC: How to shut down servers if any one of two UPSes loses power?

We have here two Dell R720 running ESXi (managed with vCenter). Each is connected to the same PowerVault MD3660i storage array. However the two servers are powered by different UPSes. One UPS (UPS1) ...
Hannah S.'s user avatar
  • 166
0 votes
1 answer
230 views

UPS RJ11 cabling

I'm connecting extra battery Evolution S EXB 2500/3000 with UPS Evolution S 3000 but I do not know what type of cable to use. Typical RJ11 cable does not work (extra capacity is not recalculated, ...
John's user avatar
  • 1,493
0 votes
1 answer
1k views

Using UPS with USB driver on Hyper-V Core

My setup: HP ML350 G6 HP R/T2200 UPS that has a USB connection Microsoft Hyper-V Server 2008 R2 (bare metal hypervisor) SBS2008 running in a VM Windows Server 2008 R2 running in a VM Other VMs for ...
GTslot's user avatar
  • 11
0 votes
1 answer
1k views

APC PowerChute management

I have 3 server with their Smart-UPS connected by USB cable. I downloaded PowerChute B.E. to manage ups. If I well understand PowerChute usage, I have to install an agent for each server and on unique ...
Tobia's user avatar
  • 1,322
-2 votes
1 answer
206 views

How to find the battery type on a server UPS Socomec Mastery BC

I am in a situation where I have to change the UPS batteries of a Server and I cannot even find the type of the batteries that are compatible. Here is what I have tried until now: I have found the ...
BugShotGG's user avatar