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Hi Alex,
thank you for your reply and your testing.
On Saturday 12 November 2016 16:40:40 Alex Mestiashvili wrote: > On 11/12/2016 08:37 AM, Rainer Dorsch wrote: > > + Alexandre, hdparm maintainer > > > > On Friday 11 November 2016 23:11:24 Rainer Dorsch wrote: > >> Hi, > >> > >> I configure sdb in /etc/hdparm.conf to apm=64, but when I start the system, apm does not change. Interesting enough a /etc/init.d/hdparm restart fixes the problem: > >> > >> > >> root@Silberkiste:~# cat /etc/hdparm.conf > <skip> > >> /dev/sdb { > >> apm = 64 > >> spindown_time = 5 > >> } > >> > >> root@Silberkiste:~# hdparm -I /dev/sdb|grep level > >> Advanced power management level: 254 > >> root@Silberkiste:~# /etc/init.d/hdparm restart > >> [ ok ] Restarting hdparm (via systemctl): hdparm.service. > >> root@Silberkiste:~# hdparm -I /dev/sdb|grep level > >> Advanced power management level: 64 > >> root@Silberkiste:~# > >> > >> > >> Any insight, why I need the /etc/init.d/hdparm restart is very welcome. > >> > >> Thanks > >> Rainer > >> > >> > Hi Rainer, > I can not reproduce this problem on my machine: > > lsb_release -c > Codename: jessie > > hdparm -V > hdparm v9.43 > > egrep -v "^$|^#" /etc/hdparm.conf > /dev/sdc { > apm = 64 > acoustic_management = 250 > } > /dev/sdd { > apm = 128 > } > /dev/sdf { > apm = 48 > } > > > for disk in sdc sdd sdf; do echo $disk; hdparm -I /dev/$disk | egrep > "level:|acoustic"; done > sdc > Advanced power management level: 64 > Recommended acoustic management value: 254, current value: 250 > sdd > Advanced power management level: disabled > Recommended acoustic management value: 128, current value: 128 > sdf > Advanced power management level: 48 > Recommended acoustic management value: 208, current value: 0 > > The values are set after reboot or after init script restart. >
Hmm...since hdparm works for me if I do a
# /etc/init.d/hdparm restart
after boot (or even in /etc/rc.local, is it possible that hdparm runs for my system for whatever reason too early (though it is not special setup, all SATA SSDs and HDDs)?
Rainer
-- Rainer Dorsch http://bokomoko.de/ |