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HDD keeps parking/unparking heads with laptop-mode

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linux-howto

https://bbs.archlinux.org – I want BATT_HD_POWERMGMT to stay on 127 since it is the highest value that permits spindown. Also, increasing LM_BATT_HD_IDLE_TIMEOUT_SECONDS should (if I'm correct) increase the idle time after which the disk spins down; so it is not related to head parking frequency. In fact, I don't want the heads to be parked less frequently, since it is the correct behavior to save energy; I'd like them to be unparked less frequently, since that consumes energy and triggers a subsequent parking.BTW, my HDD type is:$ sudo hdparm -I /dev/sda /dev/sda: ATA device, with non-removable media (HowTos)