uninterruptible power supply

learn more… | top users | synonyms

-2
votes
1answer
31 views

Establishing monitoring on nine Dell UPS that do not have management cards

Goal - Establish monitoring on nine Dell UPS that do not have management cards. • Dell UPS 1000W x 8 • Dell UPS 3750W x 1 Is it possible to daisy chain the USB or Serial (RS-232) ports on Dell ...
0
votes
1answer
25 views

Monitoring APC UPS and Dell DRAC using a single device

We have a temperature sensor connected to an APC UPS network management card measuring the external rack temperature and the network management card monitors the status of the UPS. There is also a ...
0
votes
0answers
21 views

apcupsd vs NUT in Proxmox environment

I have a Proxmox node which is actually is HP Proliant DL 320e G8 server + APC SmartUPS 750 connected directly to the server by usb cable. On the host are running several Linux VMs. My question is - ...
0
votes
0answers
8 views

auto shutdown using NUT(Network UPS Tool) after losing contact with master

If my understanding is correct, the NUT client ((i.e. the machine running upsmon with no data connection to the physical UPS) will auto shutdown if the UPS being monitored has a last known state of ...
2
votes
2answers
45 views

UPS - serial or parallel

I've two UPSs. I'm going to connect two devices to them and the combined wattage of the devices is below the rating for each single UPS. Would it be better* to connect the UPS device in serial with ...
1
vote
1answer
33 views

Script before shutdown with network on

I need to generate a SMS / Email alert when the server´s UPS is finishing its charge. We have a car battery connected to the motherboard that works as a UPS ...
2
votes
2answers
117 views

Automatic power on after graceful shutdown on UPS

This is my basic setup: I run a server (DL380 G7; linux 3.13 kernel) that is host to ~10 virtual machines It is set for automatic power on I use NUT for UPS management Graceful shutdown duration of ...
0
votes
1answer
15 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 ...
0
votes
1answer
94 views

How do I assign an IP address to a Dell UPS 2700w network interface card?

We have just installed a NIC into our Dell UPS 2700w and I can't find a way of configuring the card with a static IP address so that we can then access it over our network. We have installed the ...
11
votes
4answers
506 views

Is there any value in protecting both rack power feeds with their own UPS?

I've done some looking and have not found a satisfactory answer to this question. When is it necessary or suggested to use an independent UPS (on it's own mains branch circuit) for each power feed to ...
0
votes
0answers
17 views

Why are wattage/amp numbers not fitting together?

I'm trying to figure out my backup power needs, and I'm having quite a difficult time with the numbers. Pretty much every piece of equipment seems to have wildly varying numbers that don't fit ...
1
vote
1answer
77 views

Shut down Windows Server on power failure without vendor-specific third-party software

Let's say I have a Windows Server 2012 R2 server with a UPS attached. Is there a generic way to make Windows Server 2012 R2 shut down when power fails, i.e., the system switches to battery power? I ...
0
votes
0answers
9 views

NUT: two or more NUT masters

Is it possible for NUT clients(i.e. monitoring remote UPSes, no locally attached UPSes) to check two or more NUT masters, each connected to and monitoring a single UPS, before shutting down? i am ...
1
vote
1answer
93 views

UPS Batteries different capacity

I'm trying to get a replacement battery for a Cyberpower UPS model CP425HG. The original battery is 12v, 3.6Ah. However, there are not identical batteries in my area, only 12v, 1.2 amp hour batteries ...
13
votes
6answers
2k views

Can I plug a 15A UPS into a 30A receptacle?

I know that typically electronics draw only as much current as they need. Is this the case with UPSs? I have a 120 volt, 30 amp circuit, and am replacing the UPS plugged into that circuit with a lower ...
1
vote
2answers
61 views

Is it safe to locate a UPS close to server

I have an Eaton 5S and a HP Microserver. I'm wondering if there's likely to be any problems stacking the former on of the latter (aside from stability). Do I need to be aware of any electrical ...
10
votes
1answer
376 views

Daisy Chaining UPS Power Cable

I have a rackmount UPS. The UPS has a 6ft long 12AWG thick power cable that powers it from one of the server room's 20A wall plugs. The current orientation of the cabinets is not ideal. All but this ...
0
votes
1answer
117 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 ...
-4
votes
1answer
578 views

Is a Virtualbox FreeNAS VM reliable (with a UPS)?

I started looking at - Is FreeNAS reliable? I would have taken issue with TV10's comment : "longer than a UPS would handle it" (but I don't yet have a rating high enough to do so). I am running a ...
3
votes
1answer
60 views

Order of connections between UPSs and PDUs

Half of the equipment on my server cabinet (data servers, networking) are critical and need to be backed up by UPS's, while the other half of it is non-critical (high-load simulations that only take ...
0
votes
0answers
175 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) ...
2
votes
2answers
107 views

How to administer an APC Smart UPS 6000?

I did a scan on a APC Smart UPS 6000 that is connected to the network, and it was discovered with a particular mac address and 62078 and 999 closed ports. I tried using telnet to login to the ...
3
votes
1answer
101 views

What is the interruption time of an offline UPS system?

I am trying to figure out what the maximal interruption for an offline/standby uninterruptible power supply (UPS) would be. According to wikipedia: "The switchover time can be as long as 25 ...
3
votes
2answers
217 views

UPS unable to power the 1U server

1U rack server: http://ark.intel.com/products/67786/Intel-Server-System-R1304GL4DS9 Power backup: http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BR1000G-IN When I try ...
5
votes
2answers
113 views

UPS for 30A service to server racks

Our server rack has two 208V 30A dedicated circuits running to it, each to a PDU mounted in the rack. Most of the equipment has redundant power supplies so one goes to each PDU. I'm not sure who had ...
2
votes
2answers
78 views

Two APC Symmetra LX 16kVA into one common output?

We have 2x APC symmetra LX 16kVA units running at the moment and have read (in Eaton's documentation) that their UPSs can have a common synchronised output (based on input phase or set phase with a ...
0
votes
0answers
108 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 ...
0
votes
1answer
45 views

Dell Rack UPS and a single PDU

Our DELL Rack UPS 1000W has four outlets and we were using one per server. Now the server number is increasing and we are planning to purchase a PDU. Is it fine to connect the PDU to only one UPS ...
2
votes
3answers
91 views

How should mains power be conditioned for devices not protected by a UPS?

UPSes protect devices from more that just power outages. I've got a Schneider SURTA2200XL UPSes (manual here). It protects against all of the following: undervoltage (aka brownouts) overvoltage ...
-2
votes
1answer
75 views

UPS for tiny load [closed]

I am looking for UPS to backup 1 cable modem, and 1 mikrotik router. I have been trying a brand, but but it was shutdown after a few minutes because its load was under 1%. Both devices measured at ...
0
votes
2answers
262 views

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 ...
1
vote
2answers
180 views

Server 2008 R2 - Allow UPS to wake computer?

I have a single Windows Server 2008 R2 box that's on a generic Geek Squad battery backup. (That purchase was not my choice.) It shuts down fine when the battery hits a critical level, but I can't seem ...
2
votes
0answers
187 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 ...
0
votes
1answer
46 views

UPS turning off by itself every morning

I have a UPS and a server connected to it. It works well all day long, but something after midnight its leds start flashing and it does doing some noises, like "tec, tec" as a relay. And it continues ...
1
vote
4answers
169 views

RAID Battery and UPS

I have a server with a UPS, life on battery is around 20-30mins, the server has a 2405/128MB without BBU, I am just confused as to do I really need a BBU card? Surely if the UPS is working, during a ...
0
votes
1answer
350 views

Dell UPS Management Software (ULNM) Shutdown Script Execution Failure

I got a Dell Server (PowerEdge R420) and a QNAP NAS (TS-412-U) connected to the UPS (Dell 1000W Rack), the ULNM Software is installed at the Server, the UPS is hooked up to the Server via USB. In the ...
1
vote
1answer
329 views

UPS monitoring for Linux?

I'm bit worried where to post this question, however, i expect that people engaged with servers should have some tip for me. I have got this ups: http://www.fsp-europe.com/ep850.php And since it ...
-2
votes
3answers
98 views

Large APC on Standard Home Socket [closed]

I am thinking about purchasing an APC that has a max power capacity of 2850 watts / 3000 volts. I only plan on plugging about 1000 watts of actual power into the unit however. I'll be running this ...
4
votes
2answers
232 views

How to have NUT automatically power off a UPS before the monitoring system shuts down?

I've got NUT configured on a few systems in the following way: One host is connected to four UPSes via USB. That host is plugged into two of the four UPSes. Two other hosts are on the same rack, ...
1
vote
1answer
344 views

Backup Power System for a Small Office: UPS, ATS, Generator etc

I'm trying to put together a backup power system for our office and I need some guidance. We frequently lose power for several hours at a time. I'm looking for a solution which would: Control ...
1
vote
1answer
556 views

Running apcupsd on server core 2012?

Is it possible to run acpupsd on server core 2012? I went out and bought some Back-UPS (with USB cable signalling) to run some Hyper-V servers before I realized "that wont work" :-) Back-UPS are not ...
1
vote
1answer
226 views

HP Proliant ML350 G6 UPS

We're trying to select the best UPS within our budget. Our goal is to allow 2 x HP Proliant ML350 G6 servers time enough to shutdown. We're estimating this to be no more than 10 minutes. Can anyone ...
0
votes
1answer
199 views

Beginner trying to install nagios plugin. [closed]

I have setup Nagios following the quickstart guide and have managed to get a few servers monitored. good. Now, Nagios plugins are new to me and as a result I have no idea what I need to do to get ...
0
votes
2answers
719 views

Shutting down Dell Server via iDRAC and UPS

does anybody know if it's possible to shut down a Dell Server via iDRAC card triggered by UPS? Background: The server hosts a ESXi which isn't (in the free version) able to shut down via UPS. But it's ...
2
votes
1answer
2k views

HP ProLiant ML350 G6 powerup issue

My setup: HP ProLiant ML350 G6 (2x PSU/redundant) I present my issue in a few steps: Power cables disconnected (no power coming to server) Re-connect cables Press "Power button" -> I can see green ...
4
votes
2answers
126 views

Does the additional load on UPS in case of grid failure amount to 100%?

The scenario is as follows: Servers are equipped with two PSU's each. One of these is connected to the UPS, the other one directly to the power grid (bypassing the UPS). I would assume that since the ...
1
vote
1answer
2k views

Hyper-V 2012 gracefully shutdown when UPS battery running out

Background: We're running a couple of Virtual servers in Hyper-V at a small office using Windows 2008 R2. We only have 1 physical host (and we aren't planning to change that any time soon). We're ...
1
vote
1answer
106 views

cacti : Terminology about ups, room temperature etc

We use cacti for graphing lots of metrics : Windows server related metrics go under a branch called "windows". Unix, Linux and storage metrics go under a branch called "Unix". Switch, firewalls, ...
3
votes
3answers
444 views

Out of band notification when UPS loses mains power?

We're currently looking into upgrading our UPS and possibly having a small petrol generator on site in the eventuality that the UPS battery is used long enough to drain it completely. Realistically, ...
2
votes
2answers
290 views

Is there a minimum distance between UPS and Cat 6 cabling?

We've just re-wired our Sales Office using Cat 6 cabling into a new data rack. The cable loops down at the base, in case we need to use that slack in the future to re-terminate it, or to cover any ...