Hello all,
I wrote a service /etc/systemd/system/disable-2nd-hdd.service. I have 2
HDD's where one of them doesn't need to work all the time. So I thought
it'd be cool to shut it down after 30 minutes of inactivity (the disc
isn't mounted when system starts):
/usr/bin/hdparm -S 241 /dev/sdb
Then I wrote a service:
[Unit]
Description=Disable sdb
Requires=local-fs.target
After=local-fs.target
[Service]
Type=oneshot
ExecStart=/usr/bin/hdparm -S 241 /dev/sdb
[Install]
WantedBy=multi-user.target
Which seems to work:
[root@linux mk]# systemctl status disable-2nd-hdd.service
● disable-2nd-hdd.service - Disable sdb
Loaded: loaded (/etc/systemd/system/disable-2nd-hdd.service; enabled)
Active: inactive (dead) since pon 2014-04-28 10:00:53 CEST; 21min ago
Main PID: 248 (code=exited, status=0/SUCCESS)
kwi 28 10:00:53 linux hdparm[248]: /dev/sdb:
kwi 28 10:00:53 linux hdparm[248]: setting standby to 241 (30 minutes)
But it doesn't work, like it had never happened, the disc is not spun down.
When I change the command to /usr/bin/hdparm -y /dev/sdb (spin down disc
immediately), the disc is spun down while booting but is starts again
right away.
When I manually start this service after system has already booted, it
works as expected.
Kindly asking for some help.
--
Pozdrawiam / Greetings
Marcin Kocur █
Dane kontaktowe / Contact details: http://koci.net.pl/email
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