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Re: [LUG] Computer on time

 

On Sun, 2012-02-05 at 15:10 +0000, Neil Winchurst wrote:
> On 05/02/12 14:41, raymond.knowles@xxxxxxxxxxxxx wrote:
> > Hi Neil,
> > 
> > One of the reasons for leaving computers switched 
> > on is to reduce 
> > the amount of damage caused by thermal 
> > cycling. 
> > BBC maintenance crews found that by leaving 
> > equipment on 24/7, they could 
> > manage with one less person 
> > per shift. 
> > I switch my equipment off last thing at night, 
> > but whenever it is 
> > switched on the following day, it stays 
> > on until evening shutdown. 
> > Not overly sure about the 
> > details, but it's due to differential expansion 
> > causing 
> > metal fatigue and eventual failure. 
> > 
> > I'm sure this will 
> > generate lots of comment.
> > 
> > Regards etc,
> > Ray. 
> > 
> >> ----
> 
> One of the reasons I have been given for shutting down the computer when
> not in use is to save wear and tear on the hard disk. This is spinning
> all the time it is on, so I have been told that it is a good idea for
> the sake of the HD to keep it switched off when not working at the computer.
> 
> The hard disk is one of the few mechanical, moving parts in a computer,
> I am told, and thus is more prone to problems from wear. However, asking
> around, I hear that a lot of people leave theirs running all day, so
> that prompted the question.
> 
> Now reading the responses so far it seems that the electronic, non
> moving, components could be affected too by switching on and off. Now I
> am really getting muddled.
> 
> Thanks for the replies so far,
> 
> Neil
> 

I had a Unix server ran for 5 years with out shutting down 

powered down to move it 

hard disk failure

I think now the cost of Electric is greater than the cost of hardware,
as long as  you have backups.





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Regards

Kevin Lucas
Minions Post Master(Sub) 
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