Ubuntu
acpi-support package

  1. Bug #59695
  2. Comment #277

Comment 277 for bug 59695

Revision history for this message
Bart Samwel (bart-samwel) wrote : Re: [Bug 59695] Re: High frequency of load/unload cycles on some hard disks may shorten lifetime

ubuntu_demon wrote:
> Improved suggestion to prevent heat problems :
>
> For drives which support hddtemp check disk temperature regularly (each minute?).
> * while on battery : use apm 128
> * while on AC and disk temperature <= 58 degrees celcius : use apm 254
> * while on AC and disk temperature >= 59 degrees celcius : use apm 128
>
> Most disks should be able to handle temperatures up to and including 60
> degrees celcius (within the operating temperature spec) so switching to
> an apm of 128 when the temperature is 59 degrees should be safe.
>
> Chris Jones, Bart Samwel,others what do you think ?

Sounds reasonable. Each minute *might* not be enough though, I don't
know how fast these temperatures go up. And let's just hope that there
aren't any drives out there which spin up as a result of hddtemp...