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How automatically stop HDD rotation
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amit3
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Joined: 09 Apr 2012
Posts: 15

PostPosted: Thu Apr 12, 2012 10:56 am    Post subject: How automatically stop HDD rotation Reply with quote

Hi, thank you for SMS!)

How can I set SMS to stop automatically my HDD rotation after preset period of unused time? Command line mode, without KDE.
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gerasimos_h
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Joined: 09 Aug 2007
Posts: 1753
Location: Greece

PostPosted: Thu Apr 12, 2012 12:01 pm    Post subject: Reply with quote

Using hdparm.
60 = 5 minutes
120 = 10 minutes
180 = 15 minutes

Code:
hdparm -S120 /dev/yourdevice


"man hdparm" for help.
Quote:
Values from 1 to 240 specify multiples of 5 seconds, yielding timeouts from 5 seconds to 20 minutes. Values from 241 to 251 specify from 1 to 11 units of 30 minutes, yielding timeouts from 30 minutes to 5.5 hours.


gerasimos_h

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amit3
Junior Member


Joined: 09 Apr 2012
Posts: 15

PostPosted: Fri Apr 13, 2012 2:38 pm    Post subject: Reply with quote

I tried:

root@slackware:/# hdparam
sh: hdparam: command not found

What to do?
Sorry. I'm not good in linux Smile
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gerasimos_h
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Posts: 1753
Location: Greece

PostPosted: Fri Apr 13, 2012 2:43 pm    Post subject: Reply with quote

It's hdparm not hdparam Wink

gerasimos_h

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amit3
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Posts: 15

PostPosted: Fri Apr 13, 2012 5:58 pm    Post subject: Reply with quote

Oh...., yes!))) Smile
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amit3
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Joined: 09 Apr 2012
Posts: 15

PostPosted: Sat Apr 21, 2012 11:20 pm    Post subject: Reply with quote

I have /dev/sda1 /dev/sda2 /dev/sda3 as my parts of single HDD disk,
this command (hdparm) doesn't stop rotation for some reason.
Tried
# hdparm -S2 /dev/sda1
# hdparm -S2 /dev/sda2
# hdparm -S2 /dev/sda3
and also
# hdparm -S2 /dev/sda
-no effect even after an hour.

I guess some SMS daemon may be frequently accessing my HDD and hdparm takes no effect?
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gerasimos_h
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Joined: 09 Aug 2007
Posts: 1753
Location: Greece

PostPosted: Sun Apr 22, 2012 6:47 am    Post subject: Reply with quote

Well -S2 (10sec) might be a little to quick for an HDD to respond, try something above 30sec.
The command is passed to disk and not to partitions, so you have to pass it to
/dev/sda.
Now if the disk has no activity for the time you set e.g. 2 minutes or 30 seconds it will spin down disk, but since your /dev/sda is your OS disk, might not spin down at all, depending on the services you are running.

If you have a second disk, you can try it there...

gerasimos_h

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