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  #11 (permalink)  
Old August 27, 2012, 11:46 PM
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like perineum, I've heard that that letting a hard drive spin is better than turning it on and off.

I would assume this is the case because the lubricant is 'below optimum temperatures' when you turn it on after its been off all night. in real life? i don't believe it makes a big difference
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Old August 28, 2012, 03:05 AM
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What is this off button I hear people talking about? Mine only has an on button for when the power goes out. ;)
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Old August 28, 2012, 06:20 AM
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I go by the heat cycling theory, so my PC stays on unless I will be away for it for days at a time.
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Old August 28, 2012, 06:59 AM
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Sleep mode... everything still cached when you wake. Unless yer serving data no reason to leave it on imo...
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Old August 28, 2012, 07:04 AM
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IMO, the less heat and dust, the better. I turn my PCs off anytime I won't be using them for several hours. In my experience, this results in greater longevity of mechanical components.

I believe the biggest factors in hdd failure remain usage and age, not on-off cycles. That hard drives tend to fail on start/spin-ups does not mean that's what predicated the failure. But I should say it's been a long time since I looked into the topic.

Edit:

Tech ARP - Hard Disk Drive Myths Debunked Rev. 5.0

Last edited by Desiato; August 28, 2012 at 08:22 AM.
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  #16 (permalink)  
Old August 28, 2012, 08:15 AM
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Quote:
Originally Posted by Entilza View Post
Sleep mode... everything still cached when you wake. Unless yer serving data no reason to leave it on imo...
QFT
In sleep mode is "almost" as if it was shut down, but it takes way less time to "power back up" than it would to "boot it back up".
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Old August 28, 2012, 09:26 AM
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@sswilson: Do you maintain your cooling while it's running, or during power outages?

As a note on the thermal cycling myth, don't forget that computers past the Pentium 4 era power-gate (switch "off") a lot of stuff when they're idle. Just run any stress test and watch your temps jump, and go back down after the test. If you're paranoid of temperature changes, then you'll either have to fold 24/7 or run a CPU/GPU that's so efficient / inefficient that the heat dissipation barely changes. We'd prefer you do the former and fold

I have all three usage patterns (sleep, turn off, 24/7) going at my household. The usage pattern that wore down my hardware the most was actually 24/7 because I had to replace the fans, which still worked but got noisy. That's why I wouldn't recommend 24/7 on a laptop because it's not fun trying to maintain or replace fans on those.
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Old August 28, 2012, 11:00 AM
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While thermal stress from cycling is not a myth, it's considerably less a factor than it was in the past. Basically with modern machines (say 2000-2002 or newer) pick which suits you best. The component that suffers most from on-off cycles is the power supply itself.
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Old August 28, 2012, 11:58 AM
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Quote:
Originally Posted by Desiato View Post
I believe the biggest factors in hdd failure remain usage and age, not on-off cycles. That hard drives tend to fail on start/spin-ups does not mean that's what predicated the failure.
Well my computer(s) stay on 24/7 and I've never had a start/spin up HD failure yet.
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Old August 28, 2012, 12:27 PM
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One computer folds 24/7, while the other idles 24/7 (when it's not being used to watch media)
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