[sf-lug] Major laptop issue with linux

Thomas DiZoglio tomdiz at yahoo.com
Wed Oct 31 11:32:19 PDT 2007

If you are running linux on a laptop using a battery check this out. You have about 139 days before your HD goes.

“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.”

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