uninterruptible power supply
-2
votes
3answers
39 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 ...
0
votes
0answers
26 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
48 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 ...
-6
votes
1answer
38 views
UPS power calculation [closed]
A UPS has an energy rating of 85% and contains a fully
charged battery that is rated at 48 V, 3 Ah (Ampere Hour).
If a load of power rating 200 W is connected to the UPS,
then what is the ...
0
votes
0answers
50 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
48 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
0answers
26 views
HP UPS R5500 XR wont start
my old R5500 XP was running fine, but recently batteries died. So i have bought new cells, reassembled modules, controlled voltage on both (each half around 64V * 2 half * 2modules gives me what i ...
0
votes
1answer
79 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
143 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
248 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
65 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 ...
0
votes
0answers
34 views
Unable to detect Eaton UPS with Intelligent Power Protector in Win Server 2008
I have installed the Eaton Intelligent Power Protector software on a Windows Server 2008 R2 server and the software does not detect the UPS.
My firewall is disabled.
I have G-Data Antivirus.
IP ...
1
vote
1answer
416 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
79 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
142 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
186 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 ...
-1
votes
2answers
176 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 ...
1
vote
0answers
199 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
139 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 ...
0
votes
0answers
96 views
Unable to detect Eaton UPS with Intelligent Power Protector
I have installed the Eaton Intelligent Power Protector software on a Windows Server 2008 R2 server.
Running the Auto Discovery 'quick scan' link fails to find the Eaton 5PX 2200 UPS.
UPS IP: ...
2
votes
2answers
274 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 ...
8
votes
2answers
693 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 ...
1
vote
1answer
88 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
117 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
219 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
1k 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
171 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
90 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
385 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
291 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 ...
3
votes
1answer
1k views
APC UPS replace battery light and apcupsd reporting “replace battery”
We have an APC Smart UPS 1500. The "Replace Battery" light is on, and apcupsd reports:
Emergency! Batteries have failed on UPS xxxx. Change them NOW
However, from this article,
...
2
votes
2answers
74 views
What are the essential considerations for setting up systems in a location with unreliable power?
I deal with a lot of remote offices located in parts of the world where the local grid power supply is unreliable.
Power can go off anytime with no warning, with outages ranging from minutes to days
...
10
votes
2answers
819 views
What is the difference between a PDU and a power strip (both 120V, 15A)?
I just chatted with an APC rep about upgrading the UPSes at our office. She recommended a single higher-capacity 6-outlet Smart-UPS to replace the four Back-UPS units we currently have. When I asked ...
-3
votes
2answers
130 views
How do I prevent a computer from powering off when Windows is shutdown?
I would like to configure my servers to shutdown Windows via a script without actually turning the systems off.
1
vote
3answers
438 views
Why UPS operate deal with 110v/220v rather than integrate within PSU? [closed]
All the laptops I know about operate on ~19V, in consuming up to 150W.
All the non-gaming desktops I know about take 110v/220v, convert into 12V & 5.5V, consuming up 400W.
To provide desktops ...
0
votes
1answer
286 views
HP R5500 XR - Exiting UPS Management Card Serial Pass-Through Mode
I have a HP R5500 XR UPS with a Management Card. In order to update the firmware for the UPS itself (I.e., not the management cards f/w) one has to connect, via a serial cable, to the management card ...
3
votes
2answers
262 views
Checking voltage expectation of HP G3 UPS
We have several HP G3 UPS's (most of them are HP R1500 G3). Some of our UPS's were constantly going into Buck mode. Turns out their dip switches on the back were never changed from default, which was ...
4
votes
2answers
516 views
Does unbalanced load on three-phase UPS use more power and cost more?
We have a three-phase online data center UPS.
Someone said recently that if the input amperage across the phases were 70-10-10 we'd pay for the kWh represented by 70 amps, but if the same load were ...
4
votes
2answers
1k views
FTP: How to get rid of “WARNING! 1 bare linefeeds received in ASCII mode” message?
I wrote a little shell script (on CentOS) to download statistics from our APC UPS device. It works great, but everyday cron sends an email with this message:
WARNING! 1 bare linefeeds received in ...
-9
votes
5answers
188 views
server migration in data center help & suggestions [closed]
We have about 15 Windows 2003 and 2008 servers at our data center, which host hundreds of different sites and databases. We have to move them to a new rack from 5th floor to 3rd floor. This move ...
14
votes
3answers
2k views
How does a 3-Phase UPS distribute power?
We've got 2 UPSes in our server room. One's 3 phase, and has a 3phase supply, yet the APC network stats thing only says
Incoming Voltage: 230.1 Volts
The other is a single phase one with no ...
2
votes
2answers
901 views
UPS monitoring software for Linux, FreeBSD and Solaris
Looking to configure auto shutdown for my servers once the UPS battery reaches a certain state. We have MGE / EATON Pulsar M3000 UPS units, and a heap of servers running Ubuntu, FreeBSD and Solaris - ...
0
votes
2answers
572 views
What are the best practices to manage UPS in windows 2008 R2?
with win2k3 i used the ups service to monitor usb connected UPS and launch scripts when ups meets critical battery condition.
The ups service is no more available in win2k8 and power management seems ...
3
votes
1answer
4k views
How to perform a APC 9617 Reset?
I've locked myself out of an APC 9617 management card. Trying to figure out how to reset the password, or even the card to factory defaults. All the documentation I can find says to connect to the ...
1
vote
1answer
337 views
Installing a Dell UPS Network Management Card
I have a network management card I need to install into our Dell UPS. Do I need to power-off the UPS first before installing the card, or can I just plug it in? The manual says it's as simple as ...
0
votes
2answers
602 views
APC 2200 RM in a continual self-test! Why?
I've purchased two different used APC 2200 RM units, and both have entered into a mode where they execute a continual self-test: that is, they go on battery briefly, test, then the test comes back ...
5
votes
2answers
2k views
How to properly shutdown ESXi cluster after power outage?
I am integrating UPS EATON with our ESXi 4.1 cluster. Eaton provides shutdown script for one particular ESXi host (shutdownESXi.pl) The problem was, after manual execution of shutdownESXi.pl script on ...
0
votes
2answers
78 views
automatic restarting of servers
We have 5 physical servers currently in operation. Two of them are virtualised and other 3 terminal servers are normal servers running 2003 servers and XP. After a power failure, virtualised servers( ...
0
votes
4answers
84 views
Rack mounted UPS failure
During a recent power fialure our rack mounted UPS failed after 17 minutes( design time 30 minutes). How often should a rack mounted UPS be tested?
0
votes
0answers
612 views
forcing UPS to start computers on power return?
We've got a Fideltronik UPS and a Windows-based server to be kept up by the UPS and shut down on prolonged power failure. The problem is the server should restart on power return... and if power ...
