What is the longest period of time you have kept your Mac turned on....?

macdon401

macrumors 6502
Original poster
Jul 9, 2005
261
0
Hello...talking with a friend about how long you can / should keep you Mac turned on....and wondering who holds the record?
I am talking about being "not shut down"...
what amount of time may be harmful....?
How long can your Mac stay runnung....?
R
 

Queso

Suspended
Mar 4, 2006
11,824
7
My PowerBook regularly has uptimes of over 50 days, but I do put it to sleep whilst carrying it around.

I'm sure some of the posters here who protein fold will have uptimes that dwarf mine though.
 

bousozoku

Moderator emeritus
Jun 25, 2002
13,979
3
Gone but not forgotten.
I've not shut down most of my machines since Mac OS X and, except for the PowerBook, I've not been one to make them sleep, either. Sleep worked fine in Mac OS 8.x and 9.x but not since then for me.

So, I would have to say that while my uptime figure wasn't always high due to restarts, any machine would have been on for months.
 

NVRsayNVR

macrumors member
Jun 11, 2005
53
0
Probably about 3-1/2 months before I even touched it (music production) and another month or so after that. I never had a problem doing so. OS-X of course.

I think the pulsing light is what I really wanted to see. It tells me that it's alive and all is well! ;)

Note to self: Need to market a hot looking box with just a pulsating blue/white light and an Apple sticker on the side! YEAH!
 

QuarterSwede

macrumors G3
Oct 1, 2005
9,193
1,202
Colorado Springs, CO
My PB usually stays up for around 8 days on average. For some reason I find that it needs a good reboot around the 8 day mark ... its probably just in my head. Although I download a lot of software and put it to sleep on and off so who knows.
 

wako

macrumors 65816
Jun 6, 2005
1,404
1
only reason why i reboot is because of the updates which requires a reboot
 

Doctor Q

Administrator
Staff member
Sep 19, 2002
37,554
3,634
Los Angeles
I believe the original poster is asking about the time the Mac is powered on, not the uptime between restarts (for which we have other threads).

I power down only if I'll be out of town. Otherwise, my Macs are all on continuously.
 

risc

macrumors 68030
Jul 23, 2004
2,756
0
Melbourne, Australia
I don't ever shut my Macs down. I usually don't even sleep them. So how long has my main Mac been on? Since I bought it mid 2004. When was it last rebooted? Whenever the last update required a reboot.
 

Rovman

macrumors regular
May 4, 2006
115
0
United Kingdom
Whats the effect on your electricity bills though for leaving these on 24/7 for months at a time? Do they use negligable amounts of energy whilst idle?

All these people who are "donating" their idle cycles too folding must also have rediculous electricity bills since they are basically using 100% CPU, 24/7.
 

bousozoku

Moderator emeritus
Jun 25, 2002
13,979
3
Gone but not forgotten.
Rovman said:
Whats the effect on your electricity bills though for leaving these on 24/7 for months at a time? Do they use negligable amounts of energy whilst idle?

All these people who are "donating" their idle cycles too folding must also have rediculous electricity bills since they are basically using 100% CPU, 24/7.
The dual processor machines are great in winter, no matter. It's cheaper than turning up the thermostat. ;)
 

CoMpX

macrumors 65816
Jun 29, 2005
1,242
0
New Jersey
My record on my mini is about 18 days, but it would be mmuch longer (as in many months) if I didn't have to reboot for updates, etc.
 

technicolor

macrumors 68000
Dec 21, 2005
1,651
0
><><><><
I cant remember the last time my mbp was off..perhaps after the bootcamp install.....whenever that came out

iMac the longest is 20 something days..

havent hooked the mac mini up yet, but since it will be a media center/server im sure it will get long uptimes as well
 

technicolor

macrumors 68000
Dec 21, 2005
1,651
0
><><><><
Rovman said:
Whats the effect on your electricity bills though for leaving these on 24/7 for months at a time? Do they use negligable amounts of energy whilst idle?

All these people who are "donating" their idle cycles too folding must also have rediculous electricity bills since they are basically using 100% CPU, 24/7.
We have about 5 computers on all the time
in a 2bedroom 2 bath apartment

and our electric bill runs between 40-60 dollars a month
 

chosenwolf

macrumors 6502a
Feb 4, 2006
507
0
Los Angeles
around 4 hours?

I don't know, I prefer shutting down my computers. Apple recommends that you shut down your computer if you are not going to be using it anymore in the day.
 

California

macrumors 68040
Aug 21, 2004
3,766
41
Is there any benefit to leaving a Mac on all the time?

How about apple laptops? I would think this would age the computer, especially the lcd screens.
 

technicolor

macrumors 68000
Dec 21, 2005
1,651
0
><><><><
California said:
Is there any benefit to leaving a Mac on all the time?

How about apple laptops? I would think this would age the computer, especially the lcd screens.
less shock to internal components from cold booting alot. those volts of electricity that jolt thru, especially hard drives, when you reboot can be damaging.
 

iSaint

macrumors 603
wako said:
only reason why i reboot is because of the updates which requires a reboot
That's what I do. I wouldn't consider that turning it off. So I've probably had mine running for several months, if not much longer than that.

On second thought, I do turn it off to clean it every month or so, which I haven't done in awhile. :eek:

Better get on that...
 

Gwardys

macrumors member
Apr 6, 2006
94
0
Isn't it also that OS X performs it's own version of a defrag when the computer is inactive?

I was reading somewhere that because of the unix foundation, it works silently, and therefore, you should keep it on for at least some time when you're not using it. It helps keep the computer clean, like a defrag on a windows machine would.
 

miniConvert

macrumors 68040
My Mac mini has done about two weeks. I recently started sleeping it when not in use, but this causes me to lose my connection to the Windows machine that stores my music etc. The mini also seems to run better if I just leave it on all the time - always on, always ready. A reboot every once in a while is probably a good idea for removing temporary files and wotnot though.
 

bousozoku

Moderator emeritus
Jun 25, 2002
13,979
3
Gone but not forgotten.
Gwardys said:
Isn't it also that OS X performs it's own version of a defrag when the computer is inactive?

I was reading somewhere that because of the unix foundation, it works silently, and therefore, you should keep it on for at least some time when you're not using it. It helps keep the computer clean, like a defrag on a windows machine would.
It has daily, weekly, and monthly tasks that are run automatically to delete old log files, etc. It's not really anything like a defragmentation but there is a version of that which runs automatically on the opening of any file of 20 MB or fewer. The daily process runs about 03:15 every night with the weekly and monthly running afterwards on the appropriate days.
 

wxboss

macrumors member
May 13, 2006
87
0
Jax, FL
The only time I'll power down my mini is if there is a bad electrical storm. Otherwise, it's on all the time.

My MB I power down more often so I can tote it around.
 

GfPQqmcRKUvP

macrumors 68040
Sep 29, 2005
3,217
398
Terminus
I turn off and on basically 3 times per day. I suppose I could put it in sleep for faster wake up time, but I am just so used to turning it off when I don't need to use it that I haven't just left it on. Longest is about 24 hours. Am I doing something wrong?
 

wxboss

macrumors member
May 13, 2006
87
0
Jax, FL
Badandy said:
I turn off and on basically 3 times per day. I suppose I could put it in sleep for faster wake up time, but I am just so used to turning it off when I don't need to use it that I haven't just left it on. Longest is about 24 hours. Am I doing something wrong?
I don't think so. My preference is for just the opposite, but there are many examples of those who keep their systems on or turn them off regularly and have very little issues either way.

Yes, electronic components can be fragile, but today's modern day solid state stuff is better suited to use and abuse than they used to be.
 

Chaszmyr

macrumors 601
Aug 9, 2002
4,263
76
My PowerMac has gone 90 days without being shut down or even put to sleep. My friend had a G3 rackmount server (fashioned out of a G3 iMac) that if I recall correctly he kept running for more than 130 days before shutting it down to install more RAM.