Comment 90 for bug 59695

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Martin Emrich (emme) wrote : Re: default value in power.sh potentially kills laptop disks

I just found this bugreport, and I took a look at my stats. My disk (60GB Travelstar 7K100) accumulated ca. 300000 Load Cycle Counts over the last 3 Years. Applying Michaels settings decreased the growth rate massively.

One idea why disks tend to sleep longer on a Windows System: NTFS does not have an atime record which is updated on every read operation. I routinely mount my partitions with "noatime", to let them sleep longer.
And the Windows IO scheduler might by default keep disk writes cached longer, until a read operation has to wake up the disk anyways.