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/
