uninterruptible power supply

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1
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1answer
39 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
1k 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
56 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
339 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
73 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
326 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
49 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
92 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
71 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
90 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
205 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
104 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
70 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
68 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
38 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
81 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
67 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
184 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
124 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
150 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
44 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
148 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
289 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
294 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 ...
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votes
3answers
88 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
213 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
229 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
456 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
176 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
170 views

Beginner trying to install nagios plugin.

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
580 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
1k 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
124 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
1k 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
100 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
358 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
269 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 ...
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votes
2answers
821 views

Configure the UPS apcupsd demon to run a script?

I have a ups connected to a Linux server with a usb cable, i installed apcupsd demon and i was wondering how to instruct it to run a shell script i created when a special condition occurs? i.e. the ...
2
votes
2answers
673 views

apcupsd slave client keeps loosing and restoring communications with UPS master

On a VMWare ESXI 5.0.0 (vSphere Hypervisor - the free version) I have three server images. All running CentOS 6 - Linux. All are configured to run the apcupsd ( http://www.apcupsd.org/ ) daemon for ...
1
vote
1answer
255 views

Eaton Powerware 9170+ (with ConnectUPS Web/SNMP Card) - Cannot make all SNMP queries nor change SNMP community name

Does anybody has this UPS (Eaton Powerware 9170+)? I'm having some problems with it. Unfortunatelly all related to this product is bad documented. My problems: Don't know where to change SNMP ...
2
votes
2answers
566 views

How to detect APC UPS battery usage and run a script when on battery

I have a couple APC UPS - Smart-UPS RT 6000 RM XL Smart-UPS RT 5000 RM XL Unfortunately the power in my office likes to go out (out of my control) and hence the equipment powered by these UPS ...
9
votes
2answers
2k views

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 ...
2
votes
1answer
116 views

Correct UPS and PDU sequence

I'm pretty inexperienced when it comes to setting up power for a network rack. I have a location that has a dedicated 20 amp circuit with a LP-20P socket. I have a APC UPS 3000XL rackmount UPS and a ...
2
votes
1answer
132 views

Two servers, two PSU's, Two UPS

I have two server, with redundant PSU's connected to two UPSs. The UPSs are APC Smart-UPS 1500VA and I want to shut down the servers when the power gets low. However, because I have a redundant PSU ...
2
votes
3answers
531 views

Why does an UPS switch to battery so frequently when the voltage is ok?

We've just bought an APC Smart-UPS X 150VA and were surprised with how frequently (many times per hour) does it switch to battery just to switch back to line in about a second. The light doesn't ...
3
votes
2answers
3k views

Change the UPS battery while it's powered on?

Is it dangerous or not advisable to change the UPS battery while it is plugged in? We have an APC Smart-UPS 1500 and we need to replace its battery. I have the new battery but the UPS powers a few ...
0
votes
5answers
199 views

interference between redundant power supplies

I have a number of dell servers and two UPS. I plan to give two different input to servers from two different UPS, my question is: A short circuit of redundant powersupply unit (PSU1) will trip one ...
1
vote
1answer
120 views

Power surge protection on office LAN, medium-small scale [closed]

I've got an office LAN setup with about 15 computers, which is due to expand to 30 before long. Each computer is on its own voltage stabilizer and UPS. I live in a place with horrible, substandard, ...
0
votes
1answer
1k views

Which pair of lugs do the batteries connect to in an Ultra-1000AP (Powercom BNT-1000AP?) UPS [closed]

A few weeks ago, I removed the (dying) batteries from my Ultra 1000AP UPS to confirm their exact type before ordering new ones. I then got distracted by something, and forgot about the project for a ...
1
vote
1answer
458 views

Remotely Shut down Hyper V server from Bat file (UPS shutdown)

I have set up an APC UPS on our 2003 Small Business Server with an APC SmartUPS connected to it via the USB port. I have set up PowerChute on the server with the following settings: After 1 minute ...