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 ...
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 ...
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 ...
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 ...
4
votes
1answer
1k views

How do I inform my ESXi 5 host(s) of a power outage?

My APC UPSs all have the APC SNMP card so they are able to communicate over the network. From what I've been able to find the PowerChute program alerts the guest OS that a power outage has occurred ...
3
votes
3answers
302 views

Testing UPS output for 'clean' power

Is there any way to test the 'cleanliness' of the power your are getting at your PC from the UPS and also from the wall? I have a powerful workstation (Dell T7400) that is now on its 3rd PSU in 30 ...
2
votes
1answer
82 views

Testing power consumption

I'm buying an UPS for the new server. As always, money is short, so I need to buy one which is sufficient, but not needlessly overpowered. The server has a 900 W power supply, but the retailer says he ...
0
votes
2answers
93 views

Battery backup for Workstation & Printer

I have been tasked with finding a price for a battery backup solution for our printers. Each printer is listed at 240v 24a <5.5kW and each workstation is using a 500w power supply. We are ...
6
votes
4answers
11k views

Why do I need a raid battery pack?

I'm trying to understand why one would add a batterypack to a raid card. It seems to me like if power goes down, running just the raid card is going to do little good: without power for HDs and ...
1
vote
5answers
2k views

Why is an UPS needed for a server?

I wounder how important it is to have an UPS for a server. Everyone seems to use UPS for servers but not for client computers. In example, if I use Windows Small Business Server on a small network ...
0
votes
2answers
705 views

HP Power Manager SMTP setup doesn't have space for username & password

Is there some way to configure HP Power Manager to not assume that there's an email server running locally? We recently acquired an HP T1500 G3 UPS, which we're trying to control using HP Power ...
0
votes
3answers
167 views

Should I consider running servers under a UPS that can not fulfill the estimated VA?

I currently have a 2200 VA UPS unit (APC Smart-UPS 2200XL) in my rack and may need a 3000 VA unit to be able to load additional servers. Under my assessment, based upon whitepapers for each server, ...
6
votes
6answers
1k views

Server power supply failures?

I have 6 servers both with 2 power supplies attached to an UPS. I want to add 4 more servers but the UPS is full and due to budget restriction I couldn't buy a new one for months. The 6 + 4 new ...
0
votes
2answers
3k views

Remote hard reboot using APC Smart-UPS 1500

I have a situation where every now and then a server crashes (so Powerchute software won't help) and needs a "hard reboot" - someone needs to switch it off and on again manually. It would be great to ...
9
votes
1answer
282 views

Sysadmin in the Developing World: What are the differences between various kinds of power protection?

Hello I'm an ICT (InfoComTech) US Peace Corps volunteer deep in Tanzania who has the task of managing and advising concerning our college's two SunFire Sun Ray Servers and Dell Proxy server (on 2 ...
2
votes
6answers
4k views

Redundant Power Supplies and UPS (Dell Servers)

I have a number of Dell 2950 servers with two power supplies. In normal usage how are the PSU's utilised? Do they both draw '50%', only switching to 100% if one of them dies? Does one supply provide ...
5
votes
7answers
1k views

Is there a solution against short power outages except UPS?

I encounter very short power outages quite often. Typically they last for just couple of seconds - perhaps the power grid maintenance staff just flips the switch to "Off" and then immediately to "On". ...
7
votes
7answers
396 views

What less obvious ways are there to misuse and damage a UPS?

I've never had an uninterruptible power supply and think of buying one. What not-so-obvious things should I not do to the UPS so that it lives longer? I don't mean some obvious abuse like ...
11
votes
12answers
22k views

What is the lifespan of an typical UPS battery?

When using a uninterruptible power supply how long does it preserve the original capacity? Say I buy a UPS that holds the necessary load for 10 minutes - I don't want it to unexpectedly come into ...