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

[Steve Langasek]

Ciso,

On battery the default value is still hdparm -B 128, which does allow
the drive to park the heads.  This upload only changes the default
policy when running on AC.

For some drives, it's possible that the -B 128 battery policy is
different than the firmware default and as a result the drive has a
longer idle time between parking; this will not be true /generally/, and
is a largely harmless side effect of the change rather than a deliberate
bugfix.

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