[Bug 59695] Re: High frequency of load/unload cycles on some hard disks may shorten lifetime

[Bart Samwel]

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

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High frequency of load/unload cycles on some hard disks may shorten lifetime
https://bugs.launchpad.net/bugs/59695
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