How to change harddrive spindown time?

Posted by norpol on Ask Ubuntu See other posts from Ask Ubuntu or by norpol
Published on 2012-05-15T20:27:54Z Indexed on 2012/06/19 21:24 UTC
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hard-drive

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disable

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spindown

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standby

if I run my notebook on battery mode, ubuntu spindown my hardrive every few seconds. How can I fix that? I have tried it with sudo hdparm -S 127 /dev/sda* but I am not able to disable the spindown and can´t find the reason for this "bug". Running Ubuntu 12.04 - Bug is since 12.04

Recent updates are installed, the problem is still recent. I can change the settings via. sudo hdparm -B 127 but if I change hdparm.conf, Ubuntu does not recognize it.

/dev/sda {
  apm_battery=127
}

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