in the long run i would say leave it on because when u start the computer
it hits the cold circuits with energy causing them to expan and contract
thussing wearing them out........
--
Michael S. Dunsavage
On Wed, 3 Nov 1999, Eric Livingston wrote:
> I'm sure this has been hashed out many times before, but I can't find
> anything in the HOWTOs or other documentation on this issue.
>
> I've got a relatively old machine (P90, with a 1Gig drive) that's in use
> now as my home server. Since I'm at work most of the day, and sleeping
> most of the night (well, not most I guess...) I'm using the machine
> perhaps 4-5 hours a day at best, many times only 1-2 hours a day.
>
> In this scenario, is it better to power the machine down for the
> night/workday most of the time, and just power it up for a few hours a
> day, or should I leave it on all the time?
>
> I'm aware of the processes Linux needs to run periodically at night to
> remain up-to-date (like makewhatis, etc), so I'd leave it on overnight
> perhaps once a week for that purpose.
>
> Really it gets down to the longevity of the hard drive and power supply,
> the theory being that the fans/drive motors take the most abuse during
> spinup and spindown relative to remaining at a constant speed, so at some
> point the wear and tear accumulated by always leaving them on is less
> than it would be subjecting them to daily power-ups and power-downs.
>
> I've heard that the tradeoff is at about 8 hours or so - that is, if the
> machine will be used 8 or more hours a day then it's better just to leave
> it on all the time, whereas lesser usage would indicate turning it off
> during downtime.
>
> Any thoughts?
>
> Thanks,
> Eric.
>
>
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