Ubuntu
acpi-support package

  1. Bug #59695
  2. Comment #645

Comment 645 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

Hi Alexey,

Alexey Borzenkov wrote:
> Hanno, I don't really remember, but I think back when I was
> investigating problems with my Samsung drive I found that iotop didn't
> show all the interesting values and was patching it to be more precise.
> Also, please be aware, that querying smart will always unpark drive
> heads, because smart values (I think) have to be read from special
> sectors on your drive. The same goes for ANY hard drive temperature
> monitoring (because they ALL have to query smart to get drive
> temperature), so remove hddtemp if you have it installed.

My drive parks just fine with hddtemp. And smart doesn't necessarily
require storage on a special sector -- the drive could also be using
some sort of nvram. So your mileage may vary, it may all depend on the
drive.

Cheers,
Bart