Comment 644 for bug 59695

I had made a post here -
http://www.botcyb.org/2008/12/linux-hard-disk-issue-excessive.html
on the issue of excessive load cycle count. You may have a look at it
if you wish.

On 29/12/2008, Alexey Borzenkov <email address hidden> 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.
>
> If you want your drive to stay parked longer try enabling laptop-mode
> (look at /etc/laptop-mode/laptop-mode.conf for details and don't forget
> to set ENABLE_LAPTOP_MODE=true in /etc/default/acpi-support). What you
> must be interested in is *_MAX_LOST_WORK_SECONDS, but it will work on AC
> only when you have ENABLE_LAPTOP_MODE_ON_AC=1. You might, just like me,
> find it a lot better for your drive to stay spinned down than to have it
> constantly working with disabled APM.
>
> --
> High frequency of load/unload cycles on some hard disks may shorten lifetime
> https://bugs.launchpad.net/bugs/59695
> You received this bug notification because you are a direct subscriber
> of the bug.
>

--
Sambit Bikas Pal
MS 3rd Year
Indian Institute Of Science Education & Research Kolkata,
HC 7, Sector-III Salt Lake, Kolkata-700106
Web: http://www.botcyb.org
OpenPGP Key: http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0x8E57F8B897D372B3

NB: Kindly send mails as "text/plain".