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Questions tagged [ups]

uninterruptible power supply

0
votes
1answer
16 views

Uninterruptable power supply with digital output designating mains/battery state

I want to have some equipment connected to a UPS to shut down gracefully when mains is cut. This equipment does not have capability to read serial or USB, so software solutions are out. What I'm ...
0
votes
2answers
52 views

UPS for HP ProLiant DL180 G6

I inherited HP ProLiant DL180 G6 model supposed TB used for some additional (non mission-critical) work and need to buy the UPS for it. I've read that PSUs for HP servers tolerate pretty much only the ...
1
vote
0answers
27 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 ...
0
votes
1answer
45 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 ...
0
votes
1answer
489 views

MacOS nut client install for synology network ups

I have an APC UPS connected to my synology nas and I am trying to get my mac (10.13) to connect to the 'network ups' of synology. So far I've been trying to follow this guide: https://community....
-1
votes
1answer
17 views

On boot, server pulls full load of both PSUs — any way to limit this or mitigate load spike?

I have a giant 24u server (Supermicro 4U X9DRI-F w/ 2x Xeon E5-2680) with 2 1200w PSUs. However, I only have 4 drives in right now, and my actual power draw (under the most stressful loads) is likely ...
48
votes
6answers
8k views

What are the pros and cons of having your own UPS attached to your own server hosted in a data center?

According to this comment by Tom O'Connor (slightly edited below): You can seriously tick off a datacentre by putting an UPS inside your own rack. What are the risks to the data center should a ...
12
votes
1answer
136 views

datacenter UPS electronics/chassis expected lifetime

We have a small datacenter with seven APC 5000VA rackmount UPS. These have had regular battery replacement, but have just passed 10 years of service. We also have a boxed spare unit of the same model ...
0
votes
1answer
28 views

UPS + Bypass for a Server with Dual Power Adapter

We have a 600W APC UPS and a Server with two power adapters (each 800W). Originally, both power adapters were connected to the UPS, and the UPS connected to the power grid. Unfortunately the room ...
0
votes
1answer
394 views

Is it possible to use powerline adapters behind UPS's? [closed]

Currently i have my router connected in the 1st floor (with some switches), which is also connected with a 1200Mbps (real bandwith is about 600Mbps) powerline adapter. Another powerline adapter is in ...
0
votes
0answers
42 views

HP ProLiant DL380 G6 with 2 x Intel x5650 CPUs apc back ups pro 1500

Hi if got a apc back ups pro 1500 and installed it with APCUPSD when the Battery level is low (5min left) the server is shutting down fine. once the system is off a view sec later the server wennt on ...
-2
votes
2answers
121 views

APC UPS replace battery illuminates [closed]

I have an APC SmartUPS 1000 for my servers. It was good for over 2 years, its capacity is always 5/5. One day I saw a red light illuminated. I searched for the reference it is either "Replace" ...
-2
votes
1answer
54 views

What is the ideal Windows Update / backup device for a LAN with a slow metered internet connection

I was just in Kenya for several weeks helping some wildlife conservation orgs with their computers and IT. The biggest issue (aside from not enough funds to update tech as often as they should) is ...
0
votes
0answers
40 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 ...
1
vote
0answers
35 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 ...
1
vote
0answers
198 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 ...
-2
votes
1answer
102 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 ...
3
votes
1answer
97 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 ...
1
vote
1answer
168 views

Should you occasionally discharge UPS to higher degree?

We're occasionally experiencing some short outages (few minutes at most or even seconds) so batteries in UPS almost never get below 90-80%. Is it advised to sometimes (eg. once half a year) perform ...
1
vote
3answers
120 views

Electricity outage killed 4 out of 6 UPS

We recently had an electricity outage of 1-2 seconds at one of our buildings. In this building we have 6 UPS and 4 of them died while/after the electricity outage and all the servers were powered off. ...
3
votes
1answer
320 views

UPS inside server room?

In my company we are considering to move our servers (some are mounted on 25U rack and some are tower servers) to a newly created room (underground, no windows) that contains 40 KVa UPS and redundant ...
1
vote
1answer
1k views

Can't get upsmon service started to monitor (and respond to) remote UPS

I am having difficulty getting my nut install to simply monitor a single remote UPS attached to a Buffalo LinkStation Duo. I can manually correctly read its status using upsc ups@buffalo.local and it ...
1
vote
0answers
391 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 ...
1
vote
1answer
65 views

Connect Intelligent Power Manager with EATON EDX2000H and WebPower SNMP Card II

We have an EATON EDX2000H, a WebPower SNMP Card II and I have just installed Intelligent Power Manager. I cannot make IPM to see the UPS as power source. It is greyed out (img 1). IPM sees the UPS ...
0
votes
1answer
147 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 ...
17
votes
6answers
4k views

Is it safe to use a UPS designed for desktop PCs to power a server?

I am working on a server within my office. The server will eventually be relocated to a data center. I would like to be able to leave the server switched on in my office, which means I would like to ...
-1
votes
1answer
64 views

Halt, not power down, a windows server

A client recently changed their UPS and now claims that their server is not coming back up after am extended power outage. They have tested their system and it will keep the last state, so if the ...
2
votes
1answer
332 views

How do I pick a UPS for a graphics rendering machine?

This is a SuperMicro station very heavy on video processing, with 4 hard disks and a 26" monitor. It has two AMD Firepro graphic cards and two 1400W Supermicro reduntant PSUs. I understand the actual ...
0
votes
0answers
342 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 ...
2
votes
2answers
245 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 ...
0
votes
1answer
85 views

Can you exceed power rating on a UPS with additional battery packs

After reporting the wattage of a remote site that doesn't have a UPS to my boss he cc'd me on the quote for what he was going to order. The site's networking and server equipment are using over 2,000 ...
1
vote
0answers
714 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), ...
3
votes
1answer
49 views

Can I power 2x6 socket surge protected PDUs from a surge protected UPS?

I've got a local network rack with: 24 port switch 2x voip dect bases 2x modems 1x load balancing router 1x wifi access point 1x 2bay Synology nas At the moment these are all powered via 2x 1U 6 ...
1
vote
1answer
355 views

What is the difference between the “Write” and “Write+” modes on an APC SNMP card?

I'm configuring a UPS to be controllable via SNMP and have come across to options: Write mode Write+ mode I've tested both settings and only Write+ works for me so it's what I'll have to use. I'm ...
-2
votes
1answer
145 views

Power consumption PDU

As you can see in the image below, I can't get the consumption. Even if I send the log via FTP there's no info about the consumption. I already checked on APC PDU website and co and i didn't found ...
12
votes
4answers
3k views

How to configure UPS to restart servers in the right sequence?

Here we have some servers and almost each of them has a dedicated UPS. There are dependencies between them so they must be switched on in the correct sequence. Ultimately we are experiencing serious ...
0
votes
1answer
174 views

MGE UPS Switched PDU

I have an old MGE Switched PDU unit. The one described in this manual: http://www.manualslib.com/manual/102923/Mge-Ups-Systems-Switched-Pdu.html I didn't use it in years and couldn't remember the ...
95
votes
2answers
20k views

Smell of rotten eggs in the server room

A week ago I got the following error on my APC Smart-UPS 1000 which I muted. Warning State: Connect battery Load: 55% Batt: 100% Today, I could smell a sort of sulfur/sulphur/rotten egg smell when I ...
1
vote
1answer
654 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 ...
0
votes
2answers
61 views

How to avoid overloading UPS on startup

I have a Dell Poweredge server and Netgear 48-port Gigabit switch, all attached to a CyberPower 1500 VA 900W UPS. We occasionally get power outages here, and when we do, the systems shut down ...
4
votes
4answers
2k views

HP ProCurve 5412zl warm-boots on power failure while attached to UPS

My client's HP ProCurve 5412zl chassis switch reboots on occasion, despite being powered through four redundant power supplies and being under UPS protection. These reboots usually happen during a ...
17
votes
4answers
2k views

Can Running a Server's Redundant PSU on Different Circuits Damage It?

So I've been tasked to document and review the status of the UPSes for my current employer and identify any changes that need to be made. Generally easy stuff, however I came across a few units that ...
9
votes
4answers
1k views

UPS Requirements - Max load or actual load?

One of our UPS units failed this weekend (Happy new year!), and so I'm on the look out to replace it. I've done the calculations for our power requirements, and it comes out just under 8000W. This is ...
3
votes
1answer
368 views

PowerChute vMA server shuts down ESXi host after boot

I've ran into a critical problem first time installing and configuring a UPS connected to a server. Whenever I boot up the vMA server, ESXi starts shutting down all the VM's and then itself. It's ...
10
votes
3answers
2k views

New UPS Batteries Dying in Months

This is something that has had me stumped for over a year. I have 3 APC SmartUPS 3000's and a few non APC units in my server room. Each unit has it's own dedicated connection to the breaker panel. ...
0
votes
1answer
179 views

UPS requirements for server

I have a DL380 Gen9 server, and I would like to get a UPS for it so that when power outage happens, the server will be up at least for a minute. The server has two PSU, each 500W. I actually got a UPS ...
1
vote
1answer
2k views

APC UPS -> Windows SNMP

We have an APC UPS. I want a Windows 2012 R2 server to shutdown on a power breakdown (and the remaining power lasts for e.g. 15 minutes). Therefore the UPS should send a message to all servers via ...
3
votes
0answers
111 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 ...
1
vote
2answers
1k views

APC Smart-UPS 5000VA maximum time

I planning to put a server on this ups (Europe, 230V): http://www.apc.com/resource/include/techspec_index.cfm?base_sku=SUA5000RMI5U&ISOCountryCode=gb My server has a relatively new energy saving ...
1
vote
2answers
728 views

UPS systems in parallel for redundancy and/or capacity, generator as backup, ATS,

I am about to upgrade our server room's power plan and would kindly ask you for your help with a proper, optimal design / advice on "good practice" approach. Please note that our business is small, ...