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Idle time spin-down-spin-up for disks? How often is too often?
I've recently set the PC I use on and off for 12 hours/day to spin the disk down after 30 minutes of idle time and spin it up when necessary. This works fine under w2k. The PC never gets turned off. I know that disk lifetime is lots of tradeoffs and a case can be made that spinup does more damage to the bearings than non-stop operation and that cool is good. My disks are all below 110F when operationg fill time. How many different opinions can we get here about the what the timers should be for disk spin down. I can't imagine less than 30 minutes idle, and 3 hours idle would mean that it would run all day, anyway. Is idle powerdown done as a disk command or is the power switched off after the OS does all the right things? Comments ? -- a d y k e s @ p a n i x . c o m Don't blame me. I voted for Gore. |
#2
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Idle time spin-down-spin-up for disks? How often is too often?
"Al Dykes" wrote in message ... I've recently set the PC I use on and off for 12 hours/day to spin the disk down after 30 minutes of idle time and spin it up when necessary. This works fine under w2k. The PC never gets turned off. I know that disk lifetime is lots of tradeoffs and a case can be made that spinup does more damage to the bearings than non-stop operation and that cool is good. My disks are all below 110F when operationg fill time. How many different opinions can we get here about the what the timers should be for disk spin down. I can't imagine less than 30 minutes idle, and 3 hours idle would mean that it would run all day, anyway. Is idle powerdown done as a disk command or is the power switched off after the OS does all the right things? Comments ? Thanks! you are just scoring "green" points. Keep doing it so that the rest of us wasters have enough energy to runs ours 24/7. I have got a sister in san francisco that is proud she conserves water by flushing the commode only once it awhile. But HEY! she is doing her thing. -- a d y k e s @ p a n i x . c o m Don't blame me. I voted for Gore. =============^^^^^^^^^^^^^ where you one of the lucky few that got to vote for him 2 or 3 times? ...Lest we forget: http://stateson.net/Tips4ComputingImpaired/gorevote.htm -- ================================================== ===================== Beemer Biker http://ResearchRiders.org Ask about my 99'R1100RT http://TipsForTheComputingImpaired.com ================================================== ===================== |
#3
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Idle time spin-down-spin-up for disks? How often is too often?
Al Dykes wrote:
I've recently set the PC I use on and off for 12 hours/day to spin the disk down after 30 minutes of idle time and spin it up when necessary. I dont set the drive to spin down on anything except laptops etc that run on batterys. This works fine under w2k. The PC never gets turned off. I know that disk lifetime is lots of tradeoffs and a case can be made that spinup does more damage to the bearings than non-stop operation and that cool is good. My disks are all below 110F when operationg fill time. How many different opinions can we get here about the what the timers should be for disk spin down. I can't imagine less than 30 minutes idle, and 3 hours idle would mean that it would run all day, anyway. Is idle powerdown done as a disk command or is the power switched off after the OS does all the right things? That last is what happens when the spindown time is set in the OS. Comments ? Wouldnt dream of that. |
#4
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Idle time spin-down-spin-up for disks? How often is too often?
Previously Al Dykes wrote:
I've recently set the PC I use on and off for 12 hours/day to spin the disk down after 30 minutes of idle time and spin it up when necessary. This works fine under w2k. The PC never gets turned off. I know that disk lifetime is lots of tradeoffs and a case can be made that spinup does more damage to the bearings than non-stop operation and that cool is good. My disks are all below 110F when operationg fill time. How many different opinions can we get here about the what the timers should be for disk spin down. I can't imagine less than 30 minutes idle, and 3 hours idle would mean that it would run all day, anyway. Is idle powerdown done as a disk command or is the power switched off after the OS does all the right things? Comments ? The datasheet of you disk will state a lifetime limit on spin-up / spin-down cycles. The last 3.5" disks I bought had 40.000 such cycles as limit. with 30 minutes that gives a worst case of 833 days, until this number is reached. Adddind in that the PC is only used half of the time, it gives you twive that, i.e. 5 years or so. Should be o.k. Arno |
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