[sf-lug] Major laptop issue with linux

Kristian Erik Hermansen kristian.hermansen at gmail.com
Wed Oct 31 11:41:12 PDT 2007

On 10/31/07, Thomas DiZoglio <tomdiz at yahoo.com> wrote:
> If you are running linux on a laptop using a battery check this out. You have about 139 days before your HD goes.
>  https://launchpad.net/bug59695.html
> "When switching to battery power, /etc/acpi/power.sh
> issues the command hdparm -B 1 to all block devices. This leads to extremely
> frequent load cycles. For example, my new thinkpad has already done well over
> 7000 load cycles -- in only 100 hours. That's at least one unloading per minute.
> Googling for "load unload cycles notebook OR laptop" shows that most laptop
> drives handle up to 600,000 such cycles."

I have run Ubuntu since Warty (2004) with laptop-mode, and I never
experienced any hard drive issues...
Kristian Erik Hermansen

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