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2
votes
1answer
97 views

How to disable UPS energy_saving with NUT? UPS ignorantly powering itself off with light (12%) load after 5 min

I've got a Proline 650 UPS (Serial) installed Extra details: The UPS has a serial connection with a single 12v SLA battery. (It was not listed in the NUT compatibility list but after compiling ...
0
votes
1answer
39 views

Network computers wake-up just after putting them to sleep

Since the day we deployed SBS 2011, network computers wake just after putting them to sleep and as far as we can see they never go in sleep mode again. I know that SBS 2011 deliver updates to clients ...
2
votes
1answer
314 views

Busy Debian server (Xen guest) seems to go to sleep (energy saving mode)

I have a Debian 6 Xen guest that seems to go to sleep from time to time. Randomly, it just stops to answer to any network requests (HTTP, ssh, ping) and only resumes activity when we log on the ...
-1
votes
2answers
97 views

What is the best way to save energy use in companies? [closed]

i work in a little (biotech) start-up company and noticed that the client pc's are mostly in stand-by mode (user-logged off) during the weekend, where nobody is actually there. So what is the most ...
0
votes
1answer
1k views

Dell Poweredge 2800 Power Consumption

I am considering buying a Dell Poweredge 2800 Tower 2nd hand, while I have some experience with HP's competing server brand, the ProLiant Series, I am struggling to find out the server's realistic ...
0
votes
1answer
178 views

Is sleep mode good for servers?

I'm planning on setting up some kind of backup machine - probably some crusty old Dell desktop - to fetch database dumps from a webapp every night at midnight. There isn't a lot of data, but it's ...
4
votes
3answers
367 views

Should workstations be shut off at night?

Related to this but different enough so that I think it deserves its own question. I'm the sysadmin of a small business, and by 'sysadmin', I mean 'by the seat of my pants' (still in university, not ...
0
votes
4answers
540 views

How do I find out which application prevents the drive from going to sleep

I have 3 SATA HDDs in my server. The first one is a SSD system drive, and the other two (in JBOD) are being used to store some data (accessed via Samba). Most of the time when there are no requests, ...
3
votes
4answers
219 views

Energy usage: RAM upgrade vs. paging to disk

This might not be answerable in theory, but any thoughts are appreciated: I have a UNIX server that has 2GB of RAM, and presumably it is slightly overloaded and swapping to disk heavily. It is a test ...
0
votes
4answers
406 views

How to make postfix not to access disk so often?

I have small server, mainly for backups. System is Ubuntu 9.10. Because backup is once a day, most of the time the server is idle. So I wanted disk to spin down, but it is always running. I can spin ...
1
vote
3answers
1k views

Remotely shut down multiple Windows XP PCs (in active directory domain)

What are the different possibilities to remotely shut down multiple Windows XP Professional PCs (that are part of an Active Directory domain)? What are the advantages/drawbacks of each method, and ...